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COMPOSITE SEPARATION- A method of separat‐
0 k: F2 W2 r1 x( Ping aircraft in a composite route system where, by/ i; P5 A* } M& j
management of route and altitude assignments, a- m" `+ O+ \. S
combination of half the lateral minimum specified for9 S' t7 B# i! n8 q7 K; d
the area concerned and half the vertical minimum is
9 I6 Y2 l) O$ k3 t. Mapplied.
' k, H- G5 G1 o; d+ U8 sCOMPULSORY REPORTING POINTS- Reporting9 p; @! U3 N A' L" u4 P
points which must be reported to ATC. They are& d, ?1 S: f6 E& K. u; Z
designated on aeronautical charts by solid triangles or" Q3 a( @* L, R
filed in a flight plan as fixes selected to define direct
/ y: o4 J9 V8 E* b2 Croutes. These points are geographical locations
2 n' r# f* h) I p Pwhich are defined by navigation aids/fixes. Pilots
; N( { s) |1 M# @: @+ W- s xshould discontinue position reporting over compul‐
* a% c s# m- k# y+ Bsory reporting points when informed by ATC that
1 y6 Y) B1 z" e; v: }( v u* ]# Btheir aircraft is in “radar contact.”
& a, T. _$ J# G; k+ o. HCONFLICT ALERT- A function of certain air traffic
. J4 l$ J9 r1 N. |% g+ B- Ncontrol automated systems designed to alert radar
5 R+ M1 S) }/ i, \$ g, icontrollers to existing or pending situations between
/ ~$ D8 c8 i* E" t% c( l$ V# btracked targets (known IFR or VFR aircraft) that2 U x2 @+ z n/ c; Y; L
require his/her immediate attention/action.
% Q j& b f$ K(See MODE C INTRUDER ALERT.)
6 a6 N1 A% t3 N* a( `) @, Y: fCONFLICT RESOLUTION- The resolution of
7 v5 H/ a5 ^/ c! n7 hpotential conflictions between aircraft that are radar
* i( R; r$ B9 q7 m9 K' @) }identified and in communication with ATC by
& w9 h/ t" D& [( N! L0 censuring that radar targets do not touch. Pertinent4 o& T# W2 s0 o& k: U7 k' M; z+ Z
traffic advisories shall be issued when this procedure0 }; w! z }! T6 |5 Q! U
is applied./ I. _2 l$ J( ?' A
Note:This procedure shall not be provided utilizing( z+ x9 }+ j3 O' D9 V4 V8 H( e
mosaic radar systems.( H& U. B+ s; G6 w, P! e ~
CONFORMANCE- The condition established when, x5 I' r0 Z/ `# r; {* x$ q7 m
an aircraft's actual position is within the conformance8 E* t( D+ V, m1 x$ L
region constructed around that aircraft at its position,( a1 i/ [# o- T. J! l, z% y" W
according to the trajectory associated with the
* h$ {/ h# T' _aircraft's Current Plan.
: J, I7 m {. t2 CCONFORMANCE REGION- A volume, bounded* W8 M2 {& E! ^, w- N. @5 M
laterally, vertically, and longitudinally, within which
7 S* Q$ n3 ]. Q$ ban aircraft must be at a given time in order to be in! Z$ X! U) s, t4 p% }
conformance with the Current Plan Trajectory for that% [- J; d1 O* U! y2 K* \
aircraft. At a given time, the conformance region is
& q6 b, ]6 e) F0 p7 g2 o4 E5 U$ wdetermined by the simultaneous application of the+ ?7 J3 C* i l* i6 M
lateral, vertical, and longitudinal conformance
' y5 n8 B: T& {" ~bounds for the aircraft at the position defined by time6 t6 u1 L4 w, J* C) Z1 o i& h- w
and aircraft's trajectory.. I* }& { H9 U
CONSOLAN- A low frequency, long‐distance
1 q( h5 ^( p4 v& pNAVAID used principally for transoceanic naviga‐( j8 f, k! N) K; A- d
tions.
9 V; l: ~0 h- [: z: GCONTACTa. Establish communication with (followed by the
, \. j5 S0 z& ?2 d* o" J; | bname of the facility and, if appropriate, the frequency
6 l% h" g8 W/ K* kto be used).. A5 ]$ L3 E. D* F3 s
b. A flight condition wherein the pilot ascertains# {# G' ]4 k6 x. B
the attitude of his/her aircraft and navigates by visual+ e* s2 C: l, N6 L$ c
reference to the surface.2 W8 p2 @* j. E4 v i
(See CONTACT APPROACH.)! W7 v0 {! S$ ^5 R) \
(See RADAR CONTACT.)9 g$ \ C( ]: y# z
CONTACT APPROACH- An approach wherein an
! I, S/ M& N6 j# R& f z+ x: ^aircraft on an IFR flight plan, having an air traffic; J$ x1 _7 t7 R% O% R0 \$ J5 c
control authorization, operating clear of clouds with
" i; R* }3 H" sat least 1 mile flight visibility and a reasonable
% L4 n5 }9 X3 s/ ^+ {expectation of continuing to the destination airport in6 i1 G# e" n2 Z) x
those conditions, may deviate from the instrument
- Z- G# H# K9 v6 y. N4 J5 qapproach procedure and proceed to the destination
6 s3 W- W6 T* L$ j, Xairport by visual reference to the surface. This0 T- F {4 _, p, [
approach will only be authorized when requested by; e, i+ [: `7 E/ \: Y) i- u1 L; H
the pilot and the reported ground visibility at the
6 a- d. L6 L. g/ i8 Udestination airport is at least 1 statute mile.
. \5 N# H* G; {) ~ Z* e(Refer to AIM.)
* d9 i# o4 O* S; x: A5 X% D- V% e- `CONTAMINATED RUNWAY- A runway is9 H# b% f) N2 u
considered contaminated whenever standing water,
$ @, l. X# \! j& Sice, snow, slush, frost in any form, heavy rubber, or
: s. H4 n1 o7 }( C& W* a. o% h3 pother substances are present. A runway is contami‐
; w0 f4 ?" `6 d) Z( ]" g$ Wnated with respect to rubber deposits or other8 t, o% I7 [* p7 g2 x9 f4 g% O
friction‐degrading substances when the average/ b0 Z m8 z2 [3 |
friction value for any 500‐foot segment of the runway
) M) G3 B& z" B3 ]# r' Awithin the ALD fails below the recommended' S% U1 G0 J s; t4 Q
minimum friction level and the average friction value
* ]+ W, j$ Y- E4 W" ]* N! I+ Ein the adjacent 500‐foot segments falls below the
/ p- p Y( V: r/ Y0 s2 L) Xmaintenance planning friction level.
# D. D* a8 k; J& b$ LCONTERMINOUS U.S.- The 48 adjoining States
$ @5 r5 C+ c. Kand the District of Columbia.5 K% s7 f7 u9 {# b$ h& c
Pilot/Controller Glossary 2/14/08
/ G1 E L1 f5 {" e4 J2 bPCG C-6
/ G- \1 e; Q3 m5 W4 v! sCONTINENTAL UNITED STATES- The 49 States
& l" R: N' W6 @9 f& n% olocated on the continent of North America and the
4 g1 b) S- _9 ?! R5 aDistrict of Columbia.% G; S& Q" I' f8 Z; [
CONTINUE- When used as a control instruction& c$ |3 {; ~! a9 |7 F; ?
should be followed by another word or words
G" R, o+ A7 N7 u5 R, X7 i" o# C4 [clarifying what is expected of the pilot. Example:9 R. L5 G" e {* o: Q# Q
“continue taxi,” “continue descent,” “continue
* @' Q( c# S9 P7 G/ Minbound,” etc.1 {1 o+ X# L& l7 ?3 S. ?: b2 u5 s
CONTROL AREA [ICAO]- A controlled airspace
$ O: }( g5 g( u, J; Vextending upwards from a specified limit above the' {! e" p. W( m- q
earth.5 E$ U" d. A/ u. c9 U9 I! C& M; \
CONTROL SECTOR- An airspace area of defined8 R+ h2 p. h8 N6 D8 s& o
horizontal and vertical dimensions for which a
, X- e: l* \) F4 Pcontroller or group of controllers has air traffic1 q( D# ?3 f/ p9 c0 U6 h
control responsibility, normally within an air route. |! }0 x; H6 _$ L6 e ?* Q' Q. u
traffic control center or an approach control facility.; f. T* u2 A3 t7 n
Sectors are established based on predominant traffic
+ P# J1 {& z6 {+ \! x* Dflows, altitude strata, and controller workload. H( L9 f) f+ w; i; S
Pilot‐communications during operations within a2 s' d/ I- [( Z& J6 h/ D# A
sector are normally maintained on discrete frequen‐6 |9 {9 Z) m) D( ?
cies assigned to the sector.
/ l7 [8 L B' k6 [0 w(See DISCRETE FREQUENCY.)7 W+ l- v4 I+ t, d" v6 E0 V
CONTROL SLASH- A radar beacon slash repre‐
4 D' Z5 L. p; F+ T8 m4 Gsenting the actual position of the associated aircraft.
$ h0 G$ D! T: K* ENormally, the control slash is the one closest to the
7 C& j# l" c5 g; yinterrogating radar beacon site. When ARTCC radar
) Y5 `8 h: z) P* u: t6 {is operating in narrowband (digitized) mode, the
) [) c" H6 i$ V" y/ N( M, @control slash is converted to a target symbol.
3 ^6 N5 G7 `9 c' T rCONTROLLED AIR SPACE- An airspace of
( o: [3 E) M* A# i0 m0 F0 W% Ldefined dimensions within which air traffic control/ w- }5 t9 v8 j1 D# L/ H
service is provided to IFR flights and to VFR flights, o8 @- j6 T' W# K. z3 o+ |4 b
in accordance with the airspace classification.
; a- K6 m/ q/ J# ^& Ma. Controlled airspace is a generic term that covers
6 {+ Y* d& H+ H- RClass A, Class B, Class C, Class D, and Class E0 R; p' D" p Q5 p% {/ h
airspace.% ]+ V5 S. o" G/ e6 P3 u
b. Controlled airspace is also that airspace within S7 Z. g/ ~5 w2 b) ?6 i7 f
which all aircraft operators are subject to certain pilot
( t# R0 }5 W' P3 Uqualifications, operating rules, and equipment
+ u* s; p, S9 i5 ^4 c5 krequirem ents in 14 CFR Part 91 (for specific
1 J9 `& k) r: C Doperating requirements, please refer to 14 CFR |: j3 a& E4 ~! ~2 r I. b
Part 91). For IFR operations in any class of controlled
' P3 I4 O* `: E: F! A H0 H' F% Aairspace, a pilot must file an IFR flight plan and2 r i+ m/ }9 J. w" `1 \# O9 |* T
receive an appropriate ATC clearance. Each Class B,
" A! T( d; i% _Class C, and Class D airspace area designated for an
5 _( `- @9 ~/ X7 @airport contains at least one primary airport around
4 x& p. q- h: J' F1 Owhich the airspace is designated (for specific
: n2 [; h/ |+ P, V, O+ k; ]% S9 a& r6 Ldesignations and descriptions of the airspace classes,1 ?& s. Z' U+ w4 A7 Z9 G+ q; s" y
please refer to 14 CFR Part 71).% J0 _8 a6 u$ ]/ `1 N; ^/ p
c. Controlled airspace in the United States is, Q$ w) F+ a$ j7 K" q! m! G- y
designated as follows:- j0 E w+ \4 @/ O3 H3 Z9 ~6 Y
1. CLASS A- Generally, that airspace from
$ {5 N9 ~6 W M* a: `( P18,000 feet MSL up to and including FL 600,
3 X. m: s$ |; c6 R, a) P# @including the airspace overlying the waters within 12; U$ z# `) A! E% z% g
nautical miles of the coast of the 48 contiguous States1 V* B& E9 n% _% d: a _( b
and Alaska. Unless otherwise authorized, all persons J$ w4 @: W* r- Y( j
must operate their aircraft under IFR.1 P8 y2 i+ |+ j3 R
2. CLASS B- Generally, that airspace from the5 o$ [& N7 s% k4 y4 Q/ y, h: M
surface to 10,000 feet MSL surrounding the nation's
) p$ r; k' a, b* ~% q* k& c( g2 ^, Sbusiest airports in terms of airport operations or
+ L+ @4 }: K V1 w+ rpassenger enplanements. The configuration of each0 X' m* Q8 O Q, X' H
Class B airspace area is individually tailored and
- v% J) O! q3 n6 W: h/ ?7 Xconsists of a surface area and two or more layers
! g {3 C$ P& J) G: ?- \' F8 ?(some Class B airspaces areas resemble upside‐down3 O1 p: W9 F7 v" l- s& T
wedding cakes), and is designed to contain all9 ^, w5 M2 m3 [) k3 F8 x
published instrument procedures once an aircraft
, \9 h% v5 W$ o9 e3 Henters the airspace. An ATC clearance is required for X' K8 w2 y8 }. @3 n
all aircraft to operate in the area, and all aircraft that3 H, F- N& s( b# J
are so cleared receive separation services within the
6 T/ Z; k. A& [6 V5 Lairspace. The cloud clearance requirement for VFR
8 r4 ~: `" M& ]% ooperations is “clear of clouds.”* k+ ?8 I/ B# B
3. CLASS C- Generally, that airspace from the7 W: r1 g2 d; }# O) O7 c
surface to 4,000 feet above the airport elevation
e2 V+ b7 w+ h1 c( C# ](charted in MSL) surrounding those airports that
4 I$ O' m( Y: T. o/ Q$ @have an operational control tower, are serviced by a
4 Q. h8 @) e5 m, x3 `# Eradar approach control, and that have a certain$ C8 T4 n7 g' B4 ?+ `4 P
number of IFR operations or passenger enplane‐
! W% n3 p! |' ~4 m# q$ C8 Yments. Although the configuration of each Class C$ `& A# C* d! v* B+ u+ l6 @' O
area is individually tailored, the airspace usually
1 h9 V9 J4 V8 r$ E+ v8 `. y+ Kconsists of a surface area with a 5 nautical mile (NM)
( n8 P) O4 c+ U) ^1 F! U7 gradius, a circle with a 10NM radius that extends no' |; `% d' u4 a+ L! n
lower than 1,200 feet up to 4,000 feet above the
8 g! e5 M& a* A9 nairport elevation and an outer area that is not charted./ G: S0 S+ j1 t) a) y. [3 u1 W
Each person must establish two‐way radio commu‐8 s; \, \( ?& |. W# g
nications with the ATC facility providing air traffic, O5 u6 ^0 R; m! J1 K7 `) @ p
services prior to entering the airspace and thereafter
! C7 _$ W# _6 t6 G* ]maintain those communications while within the
" P9 I0 a3 w4 Y+ J3 pairspace. VFR aircraft are only separated from IFR0 \2 _/ ?" [+ n
aircraft within the airspace.7 F# q* f& [7 p4 V" @2 J; b
(See OUTER AREA.)4 B9 t( n4 j4 G
4. CLASS D- Generally, that airspace from the9 b/ S2 C5 V: P1 A8 j# g5 g
surface to 2,500 feet above the airport elevation
! D: f4 n( X7 s(charted in MSL) surrounding those airports that6 h, A- s# t7 P4 Q8 q. r7 A
have an operational control tower. The configuration2 q1 j; W4 G M+ ]# m' h
of each Class D airspace area is individually tailored* ^5 c9 @. Q1 o) n& x" w
and when instrument procedures are published, the! E6 T( s6 {; V" k$ w4 `
airspace will normally be designed to contain the+ h. @+ u$ I. p8 L; c$ l& [
procedures. Arrival extensions for instrument1 i" W1 ?& Y9 @( U9 p
approach procedures may be Class D or Class E5 C# E& P; A0 o# t9 C: s
Pilot/Controller Glossary 2/14/08
5 l+ o- P4 Y+ T; rPCG C-7% y% z! v) D I
airspace. Unless otherwise authorized, each person: Y/ a% B$ w3 u/ y
must establish two‐way radio communications with8 R4 f0 j) f, l, z I& J
the ATC facility providing air traffic services prior to
/ I0 T- y9 ]: h% y; f eentering the airspace and thereafter maintain those1 O8 N4 E4 W; q7 \8 `! A" x
communications while in the airspace. No separation. m6 u e1 s E; G- L* x% c' r" U; y9 J
services are provided to VFR aircraft.
9 c \; b$ k# q, Y! e% d5. CLASS E- Generally, if the airspace is not( q+ L. U9 M' X. q
Class A, Class B, Class C, or Class D, and it is/ a0 K6 G4 u5 v9 c
controlled airspace, it is Class E airspace. Class E; J4 k# \/ Q6 P$ w8 S
airspace extends upward from either the surface or a7 t* n# o' ]- Z& k. U# i
designated altitude to the overlying or adjacent
* z C$ E; f! z6 Bcontrolled airspace. When designated as a surface
5 v/ b& c# u% Y8 l: P# ~area, the airspace will be configured to contain all
0 Q S7 A) _0 zinstrument procedures. Also in this class are Federal
u. l+ C/ V1 i. ]! l tairways, airspace beginning at either 700 or 1,200+ _, O* F7 W3 y7 }5 J
feet AGL used to transition to/from the terminal or en
: j( ^. D4 {/ \8 ~3 proute environment, en route domestic, and offshore
: p' K9 k: w* _5 [# Vairspace areas designated below 18,000 feet MSL.
0 B/ S" i+ ?" y+ z4 K% @. rUnless designated at a lower altitude, Class E
( G5 O7 \$ }: e; Tairspace begins at 14,500 MSL over the United
1 ]- k1 P V8 k) p% k$ G( A! U1 iStates, including that airspace overlying the waters
' ~$ n9 n- M* @9 Vwithin 12 nautical miles of the coast of the 48
* Y n6 a8 X; k! T! s1 `. Ucontiguous States and Alaska, up to, but not
' t) L* Z" M! T: m) g! e4 d& ^' G! b/ }including 18,000 feet MSL, and the airspace above
1 D; i( e$ ^+ M4 XFL 600.1 P+ ^! y9 n$ Z+ _) R7 P
CONTROLLED AIRSPACE [ICAO]- An airspace
3 X5 A& v- v' N ~of defined dimensions within which air traffic control
4 P# ]7 \" |. j% f; ~$ ?6 d( Eservice is provided to IFR flights and to VFR flights
; T% c( m! Y! i" Nin accordance with the airspace classification.
7 L) { W! Z: f( cNote:Controlled airspace is a generic term which- v" G/ t0 N- Q! z8 u* M
covers ATS airspace Classes A, B, C, D, and E.
! B' ^: e* u, z( P. sCONTROLLED TIME OF ARRIVAL- Arrival time
+ Q: |! h! f" _0 m0 O- H. @assigned during a Traffic Management Program. This F O3 w! v) }* R+ [+ Y! z
time may be modified due to adjustments or user- B4 n% Q5 g* ?
options.* `7 q7 M3 P& G; a% @! d( o+ C, x
CONTROLLER(See AIR TRAFFIC CONTROL SPECIALIST.)
; m5 o$ _( y/ H: y$ dCONTROLLER [ICAO]- A person authorized to, i8 ~' d* ]! f6 z4 I
provide air traffic control services.
" U! ~ w7 @! [CONTROLLER PILOT DATA LINK COMMU‐- Z/ {. g2 i& ?/ s
NICATIONS (CPDLC)- A two-way digital very
4 F; s6 A; G$ N! \; p4 ^" ehigh frequency (VHF) air/ground communications1 j5 H3 r. r+ J
system that conveys textual air traffic control
4 f1 Y* f; g6 l( t5 E( `messages between controllers and pilots.) w! l1 r' L% [, M8 a
CONVECTIVE SIGMET- A weather advisory& t- C5 k% S% i. P3 Q
concerning convective weather significant to the8 n2 F. r8 _% z' I2 I
safety of all aircraft. Convective SIGMETs are issued
6 f: P, d' I# }4 J; yfor tornadoes, lines of thunderstorms, embedded3 \$ q$ I0 x0 x& u) z4 t+ h
thunderstorms of any intensity level, areas of- a' T0 n4 y: W* E ]) O* [
thunderstorms greater than or equal to VIP level 4
: m! H4 K: k( |* mwith an area coverage of 41 a! X5 A n5 \ s: z# u& L* l
/10 (40%) or more, and hail ^& Z" y+ W% _8 A: p$ ?8 H6 N! f
3; c1 H! p" t9 i) A5 k" j) v7 x6 A
/4 inch or greater.
q7 Q1 L$ D6 { A(See AIRMET.)
0 b* i6 }( B5 g6 x* ?. v(See AWW.). L0 U9 Z' U0 m$ h' Q
(See CWA.)4 _" w, [! P/ S; P l w
(See SIGMET.)
9 }( Q4 {1 V0 R$ c |7 P/ f7 F(Refer to AIM.)
$ B- M% T% y! |# t) Y' j4 p4 O3 JCONVECTIVE SIGNIFICANT METEOROLOG‐
2 w9 D( t+ M* fICAL INFORMATION(See CONVECTIVE SIGMET.)9 L; y0 V. @9 T0 u4 o
COORDINATES- The intersection of lines of! L( m5 j5 ]6 N6 C7 g
reference, usually expressed in degrees/minutes/0 D8 S9 ]: a5 q& O2 L7 U+ p8 X
seconds of latitude and longitude, used to determine G/ t7 x }0 g/ b; _' q
position or location.4 L' H8 f5 ]# E' o* f7 S
COORDINATION FIX- The fix in relation to which0 W8 s/ d3 C5 @8 ~' W k
facilities will handoff, transfer control of an aircraft,
; M, F" r1 J7 `7 H9 ^+ Hor coordinate flight progress data. For terminal# o- a1 \4 x' Y/ h5 W+ Q( [
facilities, it may also serve as a clearance for arriving
: `: u7 I( x5 Z. S& h( Caircraft.
6 J8 l$ t1 F8 R2 U7 l+ n9 I4 k+ kCOPTER(See HELICOPTER.)
1 ^3 `1 z# A: H! \0 V3 dCORRECTION- An error has been made in the
% Q! V; X, X( D0 g T' e, p, ttransmission and the correct version follows.% f) D. y) E/ {6 V( ]' p& ^! G
COUPLED APPROACH- A coupled approach is an; H; X5 s$ U2 a) B% r
instrument approach performed by the aircraft
2 |4 c. [! U8 w; _2 @5 Wautopilot which is receiving position information
- X; u6 N0 k/ I8 @' m3 ?and/or steering commands from onboard navigation
, R; u8 a! ]3 w) ?4 E9 z4 s- ?equipment. In general, coupled nonprecision ap‐
/ A1 \6 M* E" V" I+ Mproaches must be discontinued and flown manually
) r9 c- N) @( {# g6 Y& N9 xat altitudes lower than 50 feet below the minimum
; d- P4 \9 o' R- Y) ndescent altitude, and coupled precision approaches
& A* C# F7 I. Y1 R7 x* i* X5 I4 [must be flown manually below 50 feet AGL.+ x$ o; J& j r8 e8 x
Note:Coupled and autoland approaches are flown2 P. B( |3 ^0 K2 [9 W% S9 o
in VFR and IFR. It is common for carriers to require
7 X$ k' B% j2 ctheir crews to fly coupled approaches and autoland" p$ i6 i6 K! J1 E9 f
approaches (if certified) when the weather
' _& b2 P% {+ ?& Q A/ Qconditions are less than approximately 4,000 RVR." ^+ F* W& Q. X; z# d
(See AUTOLAND APPROACH.)% q4 f6 C4 q: a8 y6 S3 Y; X; m
COURSEa. The intended direction of flight in the horizontal
1 l8 L& m" K4 U; R- n& j3 m9 p' Xplane measured in degrees from north.8 w$ g; Y: g0 E; g( R+ j
b. The ILS localizer signal pattern usually* S8 B+ I% M' V7 r6 P! U
specified as the front course or the back course.
# F8 \ @7 A; I% h' WPilot/Controller Glossary 2/14/08: U" \# j3 n! T) |5 b
PCG C-8
" n& j; a. o2 N9 ec. The intended track along a straight, curved, or
7 r' V: \: y2 _segmented MLS path.
" z$ O5 @6 v8 \& M* o6 z7 W) G(See BEARING.)" }5 E) n7 h E' _- h, M
(See INSTRUMENT LANDING SYSTEM.)6 {- u0 G3 |! V: }/ K1 C' A
(See MICROWAVE LANDING SYSTEM.)
2 @3 U5 z C8 _9 J(See RADIAL.)- L' [9 {: }9 I" k5 C/ c
CPDLC(See CONTROLLER PILOT DATA LINK
; p# d+ T: ^3 i' S1 w* pCOMMUNICATIONS.)
8 y. F" p) ?& ACPL [ICAO]-8 d# Z7 W, V9 B/ H+ P
(See ICAO term CURRENT FLIGHT PLAN.). J' }- }; O, v9 r7 B# B
CRITICAL ENGINE- The engine which, upon
K: b3 q9 z2 y3 d: vfailure, would most adversely affect the performance0 G/ j3 H, D9 T' E6 O/ p* u
or handling qualities of an aircraft.8 J$ T! v# s2 V2 B5 i% Q7 [
CROSS (FIX) AT (ALTITUDE)- Used by ATC4 r% J% o# H) Q, J0 R
when a specific altitude restriction at a specified fix
; a% G( e# G5 r% |$ U% |: D5 z' Bis required." _0 U ~; x7 V: A
CROSS (FIX) AT OR ABOVE (ALTITUDE)- Used+ k7 a( |0 w Y9 R9 A5 b8 f- }
by ATC when an altitude restriction at a specified fix$ s6 v/ v, V" }9 T: y% t
is required. It does not prohibit the aircraft from( A/ T( f4 Q! P/ N. C3 x ~! a
crossing the fix at a higher altitude than specified;
3 @4 @9 }7 G) P3 d8 g4 m6 N1 ]however, the higher altitude may not be one that will
. ]* a: W/ J( x D8 s4 Tviolate a succeeding altitude restriction or altitude
3 a: |% N% ~2 H, e+ |assignment.
; J1 F: K3 M* T T( C8 l, e(See ALTITUDE RESTRICTION.)
* A% s o# _* K(Refer to AIM.)5 j' |- \. k) I
CROSS (FIX) AT OR BELOW (ALTITUDE)-
9 h; Y1 M' u/ }4 i$ ~/ O( B8 R$ rUsed by ATC when a maximum crossing altitude at; q6 N3 n5 v6 X( H8 V2 [
a specific fix is required. It does not prohibit the* b5 W, S5 ?, V+ H
aircraft from crossing the fix at a lower altitude;9 Z4 a/ t+ O# J0 l+ l
however, it must be at or above the minimum IFR B/ X) f: z: M M! O
altitude.
. }+ E! v: E! H/ Q9 d7 b" Z) t' p(See ALTITUDE RESTRICTION.)$ ^; Y# M Z8 h7 d% S
(See MINIMUM IFR ALTITUDES.)
! {( A. M8 ^& |& Y(Refer to 14 CFR Part 91.)
$ u% A1 r+ T8 |9 `+ aCROSSWINDa. When used concerning the traffic pattern, the3 ]+ R" @" k& i" _ k( b. U* p
word means “crosswind leg.” _+ p) G: F/ J. n7 T
(See TRAFFIC PATTERN.)
# h! [3 O: r+ r1 Zb. When used concerning wind conditions, the
! J* s; Z& N9 n u2 d! Kword means a wind not parallel to the runway or the7 b3 P' X6 Z0 d k' J: \
path of an aircraft.
: K% a* Z0 W8 g5 ~(See CROSSWIND COMPONENT.)
( \6 h1 ?$ \) R1 ]" A* qCROSSWIND COMPONENT- The wind compo‐
- q ]) W: N+ P! n8 i6 }8 [$ |nent measured in knots at 90 degrees to the
& i) T5 B5 ], J3 R' v Q: Glongitudinal axis of the runway./ }6 L2 O) m# N8 A6 R
CRUISE- Used in an ATC clearance to authorize a
( f8 m* b& P {/ E3 _$ G7 L2 ipilot to conduct flight at any altitude from the X1 b& W( O$ z9 h: z
minimum IFR altitude up to and including the0 _ E& E) t$ P' c
altitude specified in the clearance. The pilot may
& I: V" p O0 g* D! H1 Llevel off at any intermediate altitude within this block
' X+ H& F" J3 |" A8 ^4 U- iof airspace. Climb/descent within the block is to be. q: O0 Q- d4 {2 t `4 v1 U
made at the discretion of the pilot. However, once the
9 ]8 V6 C! |9 r% c4 Upilot starts descent and verbally reports leaving an+ I, s' Q/ R2 x
altitude in the block, he/she may not return to that! {( A" i# W9 G# f! \4 \9 |
altitude without additional ATC clearance. Further, it
3 i2 j3 }0 ~. N# o' _is approval for the pilot to proceed to and make an" T# E, m5 t4 D
approach at destination airport and can be used in, l: T' z! t( i
conjunction with:5 v1 s5 P* J7 T; m0 a2 [! L: {; c
a. An airport clearance limit at locations with a
. I. f: Y5 f& T2 j* lstandard/special instrument approach procedure. The v0 d3 e7 f L) b$ E; y4 P
CFRs require that if an instrument letdown to an
5 e! l% g0 @( _1 Aairport is necessary, the pilot shall make the letdown
; ?/ o: Y5 r4 c9 I6 h8 W+ p6 N1 x' _in accordance with a standard/special instrument
; n9 @& ^7 M: K0 K% l, \2 c3 Y: Qapproach procedure for that airport, or
, B7 q& T4 N- ]1 R! x# ]" wb. An airport clearance limit at locations that are* k' w- t$ g* N/ I' ` W& X/ L0 Z
within/below/outside controlled airspace and with‐9 x. \# z, T/ n8 f8 E4 u! ~9 _
out a standard/special instrument approach
. k, R6 O4 u" C' p1 Z3 rprocedure. Such a clearance is NOT AUTHORIZA‐8 U1 X/ P5 D2 }/ N' O
TION for the pilot to descend under IFR conditions7 J- J6 ^ N+ @* V. P) M Z1 U( [
below the applicable minimum IFR altitude nor does, ?. {; s' `% n, i
it imply that ATC is exercising control over aircraft
& V) Y, c/ ?5 ~: f% J9 y, B5 k; I. Cin Class G airspace; however, it provides a means for- Y8 Q8 T. u9 S& Y
the aircraft to proceed to destination airport, descend,. U# o8 I% v# E$ O' o
and land in accordance with applicable CFRs
* R( e$ t0 s( E- Egoverning VFR flight operations. Also, this provides
; x. L- z ?5 R$ ^4 O" Nsearch and rescue protection until such time as the
. s6 q# @5 e# k- WIFR flight plan is closed.) p. B$ S: p) h. [% ]
(See INSTRUMENT APPROACH
; v# L7 W: O% c( D Z0 |" tPROCEDURE.)
' t% \" v) Y3 q" a2 eCRUISE CLIMB- A climb technique employed by
$ S2 w9 P5 u B1 V2 n8 Zaircraft, usually at a constant power setting, resulting9 Y, P3 y8 E8 _' v
in an increase of altitude as the aircraft weight2 ]6 |2 F; d- x" y3 c# E3 n/ i K
decreases.
+ }9 q q' X" f4 R$ M* O+ y! ^" Z' QCRUISING ALTITUDE- An altitude or flight level/ R$ e8 x) U- T6 X! ~; h2 }
maintained during en route level flight. This is a
( T" G; X5 ]: B9 gconstant altitude and should not be confused with a
" w+ r( d2 ~' e9 Z' t& @, N2 }& L4 Rcruise clearance.2 P/ L! w$ v5 F8 r! h) P. |
(See ALTITUDE.)4 x2 J( Q# J1 i2 R* @
(See ICAO term CRUISING LEVEL.)7 G) S! f3 J9 Q
CRUISING LEVEL(See CRUISING ALTITUDE.)* ?* X1 f+ R1 @
CRUISING LEVEL [ICAO]- A level maintained
0 y0 `2 J6 S+ V# b( e- o2 tduring a significant portion of a flight.
5 }9 z7 t4 C7 W. f JPilot/Controller Glossary 2/14/08
2 p. T0 ^ B& uPCG C-9
$ z) ?& L! u" H+ U( L! j; ICT MESSAGE- An EDCT time generated by the; }3 j% g4 [7 }, b
ATCSCC to regulate traffic at arrival airports.8 f6 j5 V0 P4 @0 \
Normally, a CT message is automatically transferred
7 P7 b: ^9 o) \! S. D: K& ffrom the Traffic Management System computer to the
0 T$ q9 r* c( y3 X- C( [) QNAS en route computer and appears as an EDCT. In9 R1 i" A% l/ [! S0 @9 w: u% h
the event of a communication failure between the' ~. [% `! c k
TMS and the NAS, the CT message can be manually! S' q3 |4 D/ K* @% ^
entered by the TMC at the en route facility.
) E+ Z( `6 e4 W& w9 [, L7 Q- y0 {% UCTA(See CONTROLLED TIME OF ARRIVAL.)
6 L w* V4 e/ v5 I7 P2 a(See ICAO term CONTROL AREA.)
. I+ I( ^- L9 w6 u- i& I! FCTAF(See COMMON TRAFFIC ADVISORY
& ^0 u* Z# Q6 j; lFREQUENCY.). ?7 \% c$ o& X* p2 Z
CTAS(See CENTER TRACON AUTOMATION
9 `7 X1 H& o! x' RSYSTEM.)
& D; |: q3 M$ z) v, G5 QCTRD(See CERTIFIED TOWER RADAR DISPLAY.)( b: Z0 b% p( }+ Q
CURRENT FLIGHT PLAN [ICAO]- The flight
7 s! A/ A* y" z7 fplan, including changes, if any, brought about by
s( S, L+ i+ m) r- P: v: bsubsequent clearances.( @) [+ ^* O n6 x" o
CURRENT PLAN- The ATC clearance the aircraft
7 _1 k, o0 X, P) H6 G6 G# [has received and is expected to fly.+ n/ D# p- q' [2 S2 E7 q
CVFP APPROACH(See CHARTED VISUAL FLIGHT PROCEDURE
2 r1 D" Y# P8 S5 TAPPROACH.)5 D$ p# M7 n* \1 D! ^ K* D! U o, Y$ w
CWA(See CENTER WEATHER ADVISORY and
~2 L( a! u4 F3 I. k& XWEATHER ADVISORY.)
! k" o& O3 S: o8 ~7 {Pilot/Controller Glossary 2/14/08* r. q2 n# a; N% y
PCG D-1. J0 e# I' p0 g; `, v( B5 p- U7 A
D
: f: M, o2 y) e' l( f1 ED‐ATIS(See DIGITAL‐AUTOMATIC TERMINAL) ~. z! i4 \9 ?& Z
INFORMATION SERVICE.)6 n# @ z4 D6 H- F, }
DA [ICAO]-- X2 i- y" @* u
(See ICAO Term DECISION
' S" C; i# Z& a0 w* a' GALTITUDE/DECISION HEIGHT.)
/ G0 X- G" t0 [DAIR(See DIRECT ALTITUDE AND IDENTITY X. Y4 m5 |( N- ~ Y4 C5 J, G
READOUT.)0 L8 f8 {/ |' v1 \
DANGER AREA [ICAO]- An airspace of defined
; \: l2 P# Y: B, \$ c- |dimensions within which activities dangerous to the5 ^/ q ]" O# D* c6 U2 ?% a
flight of aircraft may exist at specified times.
% d* x0 t, a3 e: w4 PNote:The term “Danger Area” is not used in
. ?+ S5 U. B; Y7 D6 D) oreference to areas within the United States or any5 d6 `/ e9 z" | a1 R, s
of its possessions or territories.
: U3 P# r" z1 p' hDAS(See DELAY ASSIGNMENT.)5 ]0 V3 V- v- ^* J2 M
DATA BLOCK(See ALPHANUMERIC DISPLAY.). _ V) U# R2 V# U/ l% D
DEAD RECKONING- Dead reckoning, as applied$ z/ F3 k- z! W! r
to flying, is the navigation of an airplane solely by
, q) t" L; G6 d' N" h; K! Tmeans of computations based on airspeed, course,
4 Q3 X+ P" O& f( O4 y1 theading, wind direction, and speed, groundspeed,& M& t- t7 j4 W9 V c6 q
and elapsed time.
4 i4 ^) S% d/ P6 F! F3 J; eDECIS ION ALTITUDE/DECIS ION HEIGHT
- _/ ?* k( |( C3 b+ U1 j, ^[ICAO]- A specified altitude or height (A/H) in the
* p+ x. Z- L3 ^+ w3 J/ tprecision approach at which a missed approach must
( W: M# d' @" [3 dbe initiated if the required visual reference to
* a" w4 r6 J$ T0 gcontinue the approach has not been established.
6 h8 A/ R0 ^) H! ^Note 1:Decision altitude [DA] is referenced to) |* }* F5 W1 F# n
mean sea level [MSL] and decision height [DH] is" U/ @7 J, S& C9 \: `% I$ i
referenced to the threshold elevation.' ]8 |9 ~, E% D3 [; d; y, R
Note 2:The required visual reference means that
w# R6 K9 m$ O2 \# d* qsection of the visual aids or of the approach area
% u# F+ p# |: k7 l; Z1 W$ ~$ iwhich should have been in view for sufficient time) S. c: q* P# J0 N
for the pilot to have made an assessment of the
7 h% U* i* ~# v& o8 X' u( N! [aircraft position and rate of change of position, in
% ]0 s3 t% G- b) s. G, }relation to the desired flight path.
; j- n4 L- a, B0 }% PDECISION HEIGHT- With respect to the operation) B4 L2 x' d# P4 c9 g
of aircraft, means the height at which a decision must
% Q+ a4 V: D U' H" W8 `5 s/ n6 Tbe made during an ILS, MLS, or PAR instrument t' S' |; z) W( d
approach to either continue the approach or to execute
7 s% e9 z8 b( T- J& p' t% a* A2 u; g6 la missed approach.
. b8 i& ~6 `, X, e4 l+ J(See ICAO term DECISION
4 Z# P5 W$ B' k; m3 ?+ ~ALTITUDE/DECISION HEIGHT.)
8 S' z: S/ h8 TDECODER- The device used to decipher signals7 s% h, j' v1 Y; n/ C% a
received from ATCRBS transponders to effect their3 D! K) |; x U K2 l2 N
display as select codes.
" I- a$ m9 S2 a4 `. l: H4 t8 O(See CODES.)2 K3 c7 B+ V. w9 |) d5 Q
(See RADAR.)
7 S8 P2 i* t2 PDEFENSE VIS UAL FLIGHT RULES- Rules
+ ?; ^5 o3 P- A7 v, [, Tapplicable to flights within an ADIZ conducted under# f' b0 h0 ~% V. o3 {3 c m; w
the visual flight rules in 14 CFR Part 91.
0 u# W. z+ g) {2 M" g(See AIR DEFENSE IDENTIFICATION ZONE.)% I0 x) Y# w7 t- Q" m% }( d
(Refer to 14 CFR Part 91.)
7 q5 A% }0 `1 q(Refer to 14 CFR Part 99.)
, X4 X2 d) o' DDELAY ASSIGNMENT (DAS)- Delays are distrib‐
8 T8 L: ~" T2 l, _3 Z4 O1 b3 Suted to aircraft based on the traffic management8 w5 n- ^1 W5 W T1 V: _$ ]3 E# z
program parameters. The delay assignment is7 p; F# ^; e3 k Z) T8 k
calculated in 15-minute increments and appears as a: X: a3 k- M; f
table in Enhanced Traffic Management System2 |; p3 V P1 U( t8 r- {
(ETMS).
" B+ B7 e) m" H1 iDELAY INDEFINITE (REASON IF KNOWN)' d! }$ i* }* P" [
EXPECT FURTHER CLEARANCE (TIME)- Used5 L* Z& @4 P5 C a/ e/ k
by ATC to inform a pilot when an accurate estimate
2 z7 z8 ~5 I4 @0 t9 b) t/ y% Sof the delay time and the reason for the delay cannot
9 W) |" Q0 @$ N K% G wimmediately be determined; e.g., a disabled aircraft+ p) {3 }8 h6 l& ^
on the runway, terminal or center area saturation," G6 ~5 s B8 H: k6 \ d& t, W
weather below landing minimums, etc.
$ @- [6 O: v; i1 P$ L( m* U" f(See EXPECT FURTHER CLEARANCE (TIME).)
+ E4 z; P; \ O7 hDELAY TIME- The amount of time that the arrival2 n% _( g! `8 J& }% v2 ^; ^
must lose to cross the meter fix at the assigned meter
# V% r' z5 w3 y! m- W1 ^; Zfix time. This is the difference between ACLT and y2 _' ` k9 W! B1 a
VTA.# f/ a( ?: ^! y
DEPARTURE CENTER- The ARTCC having. I1 D0 q M* r% L" L1 J2 q
jurisdiction for the airspace that generates a flight to( C" U$ q1 g2 ~" k! W' A' f7 K6 m. z
the impacted airport.! e- C% n# Q7 @/ V6 [' }
DEPARTURE CONTROL- A function of an
5 s) ]+ @ ?3 A6 rapproach control facility providing air traffic control* u+ g, [& B" u) |/ I
service for departing IFR and, under certain7 u+ P" k. }5 z% Y: h
conditions, VFR aircraft.
1 P7 ?$ f @+ B3 L0 Y(See APPROACH CONTROL FACILITY.). R) l( s* q$ |3 o6 m# i1 `# y
(Refer to AIM.)# D; I5 P( W1 X$ V% }
DEPARTURE SEQUENCING PROGRAM- A
$ C- ]/ _ Q4 kprogram designed to assist in achieving a specified
# g$ f0 s$ J+ V5 |& F8 {interval over a common point for departures.
( v2 j. `& a3 |2 _' `9 o& d8 aPilot/Controller Glossary 2/14/086 T+ c+ r& M0 b; C7 G
PCG D-2
0 b# m# {) a* q: O& P3 [/ m' j& c0 wDEPARTURE TIME- The time an aircraft becomes
! X+ M0 L$ o" D7 Jairborne.* {5 X; L5 m* z- o/ L
DESCENT SPEED ADJUSTMENTS- Speed decel‐& W* A. o" v0 o0 R _/ _. K# w
eration calculations made to determine an accurate, i' u0 _" Y. ^) q- C0 R
VTA. These calculations start at the transition point3 b& g8 l0 @* A
and use arrival speed segments to the vertex.9 T( X0 ?: |$ D( ~' |
DESIRED COURSEa. True- A predetermined desired course direction
# F0 R1 Z& o0 ^# B; i3 P; ?6 wto be followed (measured in degrees from true north).' R* H6 \0 T6 m' p' l% O+ W* f
b. Magnetic- A predetermined desired course
& g% _6 q$ q' d2 S8 Adirection to be followed (measured in degrees from
V6 F1 C: {* U1 S9 ^, T( jlocal magnetic north).7 H, E* h7 A2 A, H7 y
DESIRED TRACK- The planned or intended track
7 t2 [/ ~4 y3 T* dbetween two waypoints. It is measured in degrees
2 D0 P( p9 k8 L( P: x: J- n9 ?6 hfrom either magnetic or true north. The instantaneous+ Q8 l$ j2 q9 W
angle may change from point to point along the great
: ]' @ R2 O8 y$ Vcircle track between waypoints." Z; ?8 \: D2 ^9 K' B9 b0 G q. d
DETRESFA (DISTRESS PHASE) [ICAO]- The
1 m6 m) v# S# p6 D: U; g2 J4 Q' ]8 `code word used to designate an emergency phase+ V1 T$ m6 y2 `6 ~) g
wherein there is reasonable certainty that an aircraft
P0 ~6 g$ u# j6 x! Wand its occupants are threatened by grave and
/ y5 h! l; N! _4 d6 O6 \# Dimminent danger or require immediate assistance., o/ }- h; o8 U* k
DEVIATIONSa. A departure from a current clearance, such as an9 s) b- B- \' ^
off course maneuver to avoid weather or turbulence./ i# E6 `6 R* f/ d. D
b. Where specifically authorized in the CFRs and
# R+ g0 u5 L) p6 G5 c: Zrequested by the pilot, ATC may permit pilots to& j: t x9 h' t6 ]* n4 i
deviate from certain regulations.: _9 p I) Y' L4 `
(Refer to AIM.)
4 p4 s, ?$ ~6 M7 i8 tDF(See DIRECTION FINDER.) e% o% y5 W$ k* H u) E
DF APPROACH PROCEDURE- Used under
' M+ Z @1 m6 d' E; m0 Aemergency conditions where another instrument
& Q* R- p7 t0 i' qapproach procedure cannot be executed. DF guidance: O' f; [. c4 h) ]0 x5 l3 A% E0 Y9 [8 R
for an instrument approach is given by ATC facilities* A- z, L* z" i2 X
with DF capability./ T7 G$ @! \& W ~1 U) U
(See DF GUIDANCE.); t1 q5 l+ r* F9 ^ T
(See DIRECTION FINDER.)
9 M: W: u& {( K- k! A(Refer to AIM.)
; ~7 n( W+ q/ [( w1 O) A& XDF FIX- The geographical location of an aircraft6 j, _: P% N" ?! {5 S( `
obtained by one or more direction finders.
; @8 r" ]" m! i( J7 v$ p1 ~(See DIRECTION FINDER.)" Q& i9 \/ @6 W
DF GUIDANCE- Headings provided to aircraft by R \1 j4 T7 }. h9 `/ p
facilities equipped with direction finding equipment.% X& H+ X" `* \8 [( |9 R: ?9 D
These headings, if followed, will lead the aircraft to
0 x' T0 D$ y, s! c' C/ Pa predetermined point such as the DF station or an
" L; |0 [/ ~% G! xairport. DF guidance is given to aircraft in distress or
. w" Z6 |1 x. ~' [ Q7 F9 gto other aircraft which request the service. Practice
1 X4 p4 X8 ], @! xDF guidance is provided when workload permits.
& I9 N# K5 K( K) c' k( a(See DIRECTION FINDER.)- S9 r* S. J4 E* D% l4 Y) `5 N
(See DF FIX.)
' C% T8 s: P: W Q( b(Refer to AIM.)4 @$ [: S$ s$ W7 F6 u. I# `
DF STEER(See DF GUIDANCE.)1 Y! D2 X. P: H# l
DH(See DECISION HEIGHT.)
+ \5 g$ f% L7 qDH [ICAO]-
- |9 @9 d$ h6 c; o6 t(See ICAO Term DECISION ALTITUDE/
/ E1 ~) v9 R% |% {0 ODECISION HEIGHT.)7 _% V' H! F4 z K1 l0 J
DIGITAL‐AUTOMATIC TERMINAL INFORMA‐( r, L6 H1 d( ?& L2 E. y' }
TION SERVICE (D‐ATIS)- The service provides5 o" w1 W2 f2 l' i: K5 t5 X. c
text messages to aircraft, airlines, and other users
; D; l% ~& f8 X$ C( k& ioutside the standard reception range of conventional, p" t: e$ T- I) t( C
ATIS via landline and data link communications to8 H4 s5 U6 z6 P g' }! \( t* d# V4 f
the cockpit. Also, the service provides a computersynthesized voice message that can be transmitted to! W0 U+ F+ y+ N: E" P! U
all aircraft within range of existing transmitters. The5 K* a c" f4 f. v$ y+ n
Term inal Data Link System (TDLS) D‐ATIS8 L& T' ^ g* p- a* j% a' D7 |* \
application uses weather inputs from local automated5 V9 Q. P8 r. y) J" ^
weather sources or manually entered meteorological
3 y( a- d% n r3 F" q( U' xdata together with preprogrammed menus to provide
X$ ?0 I0 U5 `) Qstandard information to users. Airports with D‐ATIS. e2 k4 L5 `5 C7 O; X
capability are listed in the Airport/Facility Directory.* t) j' d E4 y( H1 b9 Q1 z/ u
DIGITAL TARGET- A computer-generated symbol# L% M, U/ @ B, [! h- G5 V
representing an aircraft's position, based on a primary' X4 B# i4 w+ R5 ^
return or radar beacon reply, shown on a digital
: ]% n7 P0 r$ Tdisplay.
( P: Z* y0 N4 I8 }) D) bDIGITAL TERMINAL AUTOMATION SYSTEM
+ {& I& \" }9 v! [4 H3 M. N(DTAS)- A system where digital radar and beacon* x! D; ~) \; y) P
data is presented on digital displays and the6 P4 |6 m/ o2 P! P
operational program monitors the system perfor‐
* U3 B) V; {, P: ^* Z+ t/ I9 Qmance on a real-time basis.# ]* K- o a' J- ^# p$ H, t1 _: F
DIGITIZED TARGET- A computer-generated! F* [5 }5 M& b4 j" ]; L" d
indication shown on an analog radar display resulting
) e/ R u: _# M) v! C$ M( P5 mfrom a primary radar return or a radar beacon reply. }' m) M( N% r; j9 ]
DIRECT- Straight line flight between two naviga‐
: ^+ s5 s0 q/ z( D+ Vtional aids, fixes, points, or any combination thereof.1 z% _- ]. S0 O/ U( X9 ^
When used by pilots in describing off‐airway routes,7 T( B; _3 k% p" l0 Y% Y
points defining direct route segments become) m! I& |3 y/ |! |
compulsory reporting points unless the aircraft is+ [% I2 X" S6 g9 P0 D S" y1 k6 s) N
under radar contact.( p, I+ V* r. L, w
DIRECT ALTITUDE AND IDENTITY READ‐
7 ^- G* p9 f/ q' SOUT- The DAIR System is a modification to the
8 b. j2 a. _3 Y: D* d# z* dPilot/Controller Glossary 2/14/08$ e0 _5 a2 d- D" r. r
PCG D-3' `8 e ?' S* H/ \7 U5 d' M: o& J
AN/TPX‐42 Interrogator System. The Navy has two
) N" t! {$ N% Uadaptations of the DAIR System‐Carrier Air Traffic
2 z f9 C' p; L# G8 E* K# nControl Direct Altitude and Identification Readout* p5 o q- D* @. y; _4 N q
System for Aircraft Carriers and Radar Air Traffic
% e( @7 d3 W- v# BControl Facility Direct Altitude and Identity Readout- Q" E' c6 B1 E! M( s/ P3 a
System for land‐based terminal operations. The, M0 r% O) _$ [8 K
DAIR detects, tracks, and predicts secondary radar
( W9 ?+ r7 ]+ H' Laircraft targets. Targets are displayed by means of
; v6 g$ U; l" E$ C# F6 l% _computer‐generated symbols and alphanumeric' O' b! c* u+ d: d1 g5 ]' v+ V
characters depicting flight identification, altitude,, O g0 M v6 b+ X! i1 J7 q
ground speed, and flight plan data. The DAIR System
4 c; k) a2 D3 jis capable of interfacing with ARTCCs.. C$ h4 T2 w8 Z5 H9 ?
DIRECTION FINDER- A radio receiver equipped
2 F0 }" i, y# p/ U5 uwith a directional sensing antenna used to take" V5 u9 |0 L0 J0 x5 c
bearings on a radio transmitter. Specialized radio
, z3 G+ z8 y& V2 Fdirection finders are used in aircraft as air navigation
( d8 K: {/ V& O1 d" t' eaids. Others are ground‐based, primarily to obtain a
! i9 y& x1 b* u6 {“fix” on a pilot requesting orientation assistance or to- R7 D N4 K. P, Q& x# y
locate downed aircraft. A location “fix” is established
; S4 O8 ]0 J! dby the intersection of two or more bearing lines
6 F" \% n: w5 |% J/ S; f r' jplotted on a navigational chart using either two3 { r7 {! n, @' f$ I( V) ?& V7 W
separately located Direction Finders to obtain a fix on
5 R. o& C9 L0 H$ }3 R* Dan aircraft or by a pilot plotting the bearing
- {5 i$ k- W; ?0 D' {indications of his/her DF on two separately located4 U7 d( P5 V# @
ground‐based transmitters, both of which can be
. b1 \* n' N- l; U% _! I* eidentified on his/her chart. UDFs receive signals in& r7 |& f0 r2 i5 j: N* O) F& r
the ultra high frequency radio broadcast band; VDFs* V' I9 ~) A7 U* i: W
in the very high frequency band; and UVDFs in both7 W# q: ]9 X( l9 q1 q
bands. ATC provides DF service at those air traffic
6 C) S5 Z# s. B: q7 B& W& h+ wcontrol towers and flight service stations listed in the
6 y+ F6 N+ S+ LAirport/Facility Directory and the DOD FLIP IFR En
1 l; A6 c; l2 _3 oRoute Supplement.
+ ~; ^+ U% u" w( s: L1 o(See DF FIX.)
/ s5 o* O9 r8 i' v8 F* k' B(See DF GUIDANCE.)
) `/ Y3 ?, I. O4 H1 U% vDIRECTLY BEHIND- An aircraft is considered to0 h. S. a3 D7 g. ]1 _
be operating directly behind when it is following the
\; V9 I( ?/ d pactual flight path of the lead aircraft over the surface
: M* z S# F3 U5 Fof the earth except when applying wake turbulence
( b- o8 |( S s+ E8 U4 Sseparation criteria.% o5 M) i4 I. B
DISCRETE BEACON CODE(See DISCRETE CODE.)' s! t+ |9 c2 B( P4 E0 |: t
DISCRETE CODE- As used in the Air Traffic
, N& s9 v/ s* G) H( P( o, a$ CControl Radar Beacon System (ATCRBS), any one' d& Y/ j$ z* v+ {+ [+ E R
of the 4096 selectable Mode 3/A aircraft transponder
! H. T2 [; J/ c/ [codes except those ending in zero zero; e.g., discrete( n/ l6 @5 j6 h4 `* `+ T
codes: 0010, 1201, 2317, 7777; nondiscrete codes:
: b" k) |, _# H( X9 {9 O0100, 1200, 7700. Nondiscrete codes are normally
w( E" y @/ }: \/ Xreserved for radar facilities that are not equipped with
- g8 y* n/ b4 O3 T/ X0 Ddiscrete decoding capability and for other purposes
/ C; k7 h# N& t' e' ~such as emergencies (7700), VFR aircraft (1200), etc.
0 A' j) O- N0 F8 n+ t7 T$ }8 o* a(See RADAR.)
9 S& Y* y" ]& o(Refer to AIM.)! N* n. e$ O- V; X6 R& ]
DIS CRETE FREQUENCY- A separate radio
5 a6 q& v B H7 j+ tfrequency for use in direct pilot‐controller commu‐; X6 J" c F0 y7 v
nications in air traffic control which reduces7 n: |7 F7 x: @! L) k4 y- _, Q
frequency congestion by controlling the number of
/ E A+ Y7 S c2 K1 b9 Haircraft operating on a particular frequency at one
5 t) j' h( r# ]' ctime. Discrete frequencies are normally designated
1 U6 r" Z: \* {" Z& V) W* Ffor each control sector in en route/terminal ATC
! I) B( [/ j) ^( s; A! ufacilities. Discrete frequencies are listed in the
3 D2 e6 b" M& n% S* qAirport/Facility Directory and the DOD FLIP IFR En
! t+ k9 W; B# s& ], ?6 F+ vRoute Supplement.) ~; C! c8 l, s
(See CONTROL SECTOR.); M- y e2 M& s3 R
DISPLACED THRESHOLD- A threshold that is
. O5 M0 h, J3 r% s5 q" C% m6 T8 T" Z$ Wlocated at a point on the runway other than the/ J) a; h4 c1 S8 z- J
designated beginning of the runway.4 E1 N+ U; s, ?, B2 m) z$ S
(See THRESHOLD.)0 ^7 {3 w0 [' A3 G+ N' |- k0 y: m$ u
(Refer to AIM.)
4 t$ F1 @1 k4 ]4 i4 s; TDISTANCE MEASURING EQUIPMENT- Equip‐4 I, y. ^/ Z1 r$ q
ment (airborne and ground) used to measure, in
+ L% S. G9 i! ? p; Q+ Hnautical miles, the slant range distance of an aircraft' O' K3 Q. T9 R. a
from the DME navigational aid.; n$ M4 ]7 F6 V- q* Z+ S: ^( M) K
(See MICROWAVE LANDING SYSTEM.)
" U$ I; H' R- a' T(See TACAN.)
0 r+ g5 I+ v( C* B" [) c+ D(See VORTAC.)8 S; v9 B+ D' J/ M, z" e+ s5 p
DISTRESS- A condition of being threatened by+ b! ^* O$ A' r$ Y0 c4 Y' f2 p
serious and/or imminent danger and of requiring
6 A4 |& j/ f7 o& \* C; ^2 \immediate assistance.2 y' t+ C/ j& c; H% d
DIVE BRAKES(See SPEED BRAKES.)
" E: m$ V$ }2 Y3 C5 t7 \" RDIVERSE VECTOR AREA- In a radar environ‐
2 b4 \& i7 _* F9 Q) lment, that area in which a prescribed departure route/ q8 u. S% p( k" J
is not required as the only suitable route to avoid
) ]: [8 v/ Y& |1 h" Q! z! dobstacles. The area in which random radar vectors
$ c& z7 F, @& Wbelow the MVA/MIA, established in accordance with% Q7 A+ L3 K& Q9 [5 |$ L$ r3 R% q
the TERPS criteria for diverse departures, obstacles) x" C" o8 @1 d1 E \% } D4 h
and terrain avoidance, may be issued to departing3 X. U# B% d3 t; U6 k' c
aircraft.! Y" n: Z$ N4 r, x9 ~
DIVERSION (DVRSN)- Flights that are required to" }! q2 U, [! S4 w: b; o' ~+ E0 S
land at other than their original destination for& W' ~# ^. V. m) i3 F
reasons beyond the control of the pilot/company, e.g.3 C; w( f; _9 e) K: L( d
periods of significant weather.
+ [8 o( V8 h' K* z6 d' M% u4 sDME(See DISTANCE MEASURING EQUIPMENT.)+ t, ], i- g" {& e9 n p
Pilot/Controller Glossary 2/14/08
7 y& z& k* Z8 W$ n8 qPCG D-4: o5 J* o/ e( S+ u1 H$ W/ V
DME FIX- A geographical position determined by3 ~2 X9 m% S# @
reference to a navigational aid which provides
; Q$ I3 {6 H6 G* s9 b% {# s% X; Xdistance and azimuth information. It is defined by a0 L4 f( M7 s. X9 y. R
specific distance in nautical miles and a radial,7 a* p+ B' Q& Q7 V0 e
azimuth, or course (i.e., localizer) in degrees
& t% }) m& u* W. n+ gmagnetic from that aid.$ M- b- H! \& j2 G* [
(See DISTANCE MEASURING EQUIPMENT.)" `# D' P2 q4 Z4 y3 M0 w
(See FIX.)
$ @; j v" U0 E9 D% @* h9 ^1 D* \(See MICROWAVE LANDING SYSTEM.)/ v% C9 H7 R0 T1 J
DME SEPARATION- Spacing of aircraft in terms of
8 J% f2 N9 `! q: ydistances (nautical miles) determined by reference to; c1 [" m. b9 o$ ^# K
distance measuring equipment (DME).! r8 w3 U" q A: G* U; U3 u3 q
(See DISTANCE MEASURING EQUIPMENT.)& ^5 Y7 j9 m0 T# m9 u* s3 V. L
DOD FLIP- Department of Defense Flight Informa‐# Y& k2 D- a: `# T) |7 {$ T
tion Publications used for flight planning, en route,7 N0 a. z8 Z" e3 S& o; A
and terminal operations. FLIP is produced by the
8 \* K, ~( }' m) }' d$ |) LNational Imagery and Mapping Agency (NIMA) for
/ r+ _7 Z. |, A1 `* d/ T5 wworld‐wide use. United States Government Flight
+ Q1 J( @' T. Z' OInformation Publications (en route charts and3 j+ c+ m' m, u5 s7 U$ @
instrument approach procedure charts) are incorpo‐/ J. U- T4 b% |
rated in DOD FLIP for use in the National Airspace, ?) ^+ |! O0 z
System (NAS).
) b. O4 f7 |0 T9 y/ ^2 dDOMESTIC AIRSPACE- Airspace which overlies2 I; F% Q( W' k. B* H7 K$ d
the continental land mass of the United States plus
/ s5 m( z. v2 B8 w1 F) t) i& U" yHawaii and U.S. possessions. Domestic airspace2 N3 i2 A9 j! \. y7 h3 b. z- }
extends to 12 miles offshore.2 T. ]0 u/ m/ P* m
DOWNBURST- A strong downdraft which induces8 U- g( X6 g! O. ?/ Q: l! O: {
an outburst of damaging winds on or near the ground.
0 W; v0 Q3 b) d- l# K5 RDamaging winds, either straight or curved, are highly9 Y; f& V0 U: R" o) g
divergent. The sizes of downbursts vary from 1/2
! U( L) K+ x# V3 m, J- S8 Xmile or less to more than 10 miles. An intense5 h# n) Y% a* j5 N2 q d
downburst often causes widespread damage. Damag‐
9 V+ c5 z9 b( t3 b G$ \: E% g5 Ding winds, lasting 5 to 30 minutes, could reach speeds# U. a" _! X; e! i( U) ^8 J
as high as 120 knots.
. D M, k5 L- q; b8 `- `DOWNWIND LEG(See TRAFFIC PATTERN.)/ z: A. u4 V4 D/ V
DP(See INSTRUMENT DEPARTURE PROCEDURE.)
1 g" N: y5 R. E0 ?& I: }6 b- R1 EDRAG CHUTE- A parachute device installed on! m6 r9 `" Q0 T! E7 u
certain aircraft which is deployed on landing roll to
) Z6 x! ]7 y& E. |assist in deceleration of the aircraft.
9 x0 K; C# C. N' n0 U3 @2 T/ s5 pDSP(See DEPARTURE SEQUENCING PROGRAM.)+ {7 C# m; V: P0 k- U+ [: `* R
DT(See DELAY TIME.)
( p2 p- ]5 u6 LDTAS(See DIGITAL TERMINAL AUTOMATION
1 F; a9 ]4 r R- }SYSTEM.)
% {& r! v% Z( D) C3 aDUE REGARD- A phase of flight wherein an' T: A5 [1 [8 p, m: f5 ^6 k
aircraft commander of a State‐operated aircraft3 b9 \4 m% s( v( D
assumes responsibility to separate his/her aircraft2 r# a+ ?5 ?/ O& Q& L2 q2 I+ l0 H
from all other aircraft.
- G. c l8 j4 f; F- e(See also FAAO JO 7110.65, Para 1-2-1, WORD
) K: Y3 A4 g1 \# z+ b; d; Z2 NMEANINGS.)
* q5 S% j% H" h9 [& @DUTY RUNWAY(See RUNWAY IN USE/ACTIVE RUNWAY/DUTY' p0 n) O: l$ B7 H l3 A; M2 \
RUNWAY.)2 `' l6 c7 \ X4 I6 n( r! \
DVA(See DIVERSE VECTOR AREA.)- h# C1 h$ t8 D& l4 N5 }* u- }
DVFR(See DEFENSE VISUAL FLIGHT RULES.): K, D( R; _3 `: J* t7 K- \1 s8 |8 Q
DVFR FLIGHT PLAN- A flight plan filed for a VFR
, U1 B* g3 [' F5 Q( zaircraft which intends to operate in airspace within+ {9 e/ _* k) b3 H
which the ready identification, location, and control' V& p% p- {, C- n1 u7 S3 k& x
of aircraft are required in the interest of national R e: B& X$ ?0 n4 [, v, q
security.
' o1 N0 h6 g( x3 T [DVRSN(See DIVERSION.)* T! S, N/ J1 } p) v) c( M% z
DYNAMIC- Continuous review, evaluation, and! B- a4 w2 `3 }6 L- ^; n
change to meet demands.2 F. ?4 `5 d+ m" ^6 [1 s/ p/ G
DYNAMIC RESTRICTIONS- Those restrictions
% D4 ?2 j0 a5 u }' F- Fimposed by the local facility on an “as needed” basis6 G- }* K" G# p* h8 Q: N
to manage unpredictable fluctuations in traffic
O7 G. K2 U. y% }demands.0 ^6 ` m- e; B
Pilot/Controller Glossary 2/14/08! s* G S( ~' m
PCG E-1, T5 _0 W4 j# q: v! F, T
E
! R7 r8 C. n: P5 \& `4 zEAS(See EN ROUTE AUTOMATION SYSTEM.)( r, G i. }$ ~! r" O, ^7 U
EDCT(See EXPECT DEPARTURE CLEARANCE" S8 p2 Z9 E k2 O% M4 T# f I' u% c
TIME.)
7 Q2 a6 g0 R2 b& S# X) `& h) ?2 L7 tEFC(See EXPECT FURTHER CLEARANCE (TIME).)
% y7 D$ q2 v' U3 F8 [. N1 U8 G& k nELT(See EMERGENCY LOCATOR TRANSMITTER.): _" t( O2 w- {$ J2 j1 w7 H% O
EMERGENCY- A distress or an urgency condition.
- B2 N3 f0 }3 e. v7 ]7 I+ eEMERGENCY LOCATOR TRANSMITTER- A
4 N0 h0 Z3 ?- `: G) \5 c% ?radio transmitter attached to the aircraft structure
( r2 R- _7 s; A; Owhich operates from its own power source on' W; k% ]* `2 q
121.5 MHz and 243.0 MHz. It aids in locating
! g) [$ N$ Z6 w; {: c, c) s: Ddowned aircraft by radiating a downward sweeping
3 I4 C) |0 r& `, y2 x- naudio tone, 2‐4 times per second. It is designed to
, Q. c. S4 E2 y5 D" I# k2 P2 Xfunction without human action after an accident.+ ^- B, J9 v4 n
(Refer to 14 CFR Part 91.)
" O* K2 ^: T( o# T9 S(Refer to AIM.)8 }: @, b! L& C0 e: m" A# w* |! q
E‐MSAW(See EN ROUTE MINIMUM SAFE ALTITUDE
, }) Z/ j4 b# P* d; {) P8 W) vWARNING.)5 i. P4 [, j: q/ O
EN ROUTE AIR TRAFFIC CONTROL SER‐0 Y" J: p% w, \/ }0 x- U. ^
VICES- Air traffic control service provided aircraft- d& }& w4 f0 e# r+ R: q; J
on IFR flight plans, generally by centers, when these" S" I# t4 c, w3 f6 |
aircraft are operating between departure and; C' ^( S3 l7 {
destination terminal areas. When equipment, capa‐% r) F: C I9 k9 p! Z2 C
bilities, and controller workload permit, certain' o7 J/ \' W! O1 `9 E3 c4 q$ R
advisory/assistance services may be provided to VFR
2 o5 v3 @* I m3 s, p. Y* E( gaircraft.* o! K4 [( s$ z
(See AIR ROUTE TRAFFIC CONTROL9 p% {7 l- z7 G
CENTER.)
8 ? C* ^( \& W4 ~. [9 n(Refer to AIM.)
5 L& @' P' I# l' B; v4 ~EN ROUTE AUTOMATION SYSTEM (EAS)- The" w4 p: f; g7 o- {+ X
complex integrated environment consisting of
- v# ] ?! r$ Q9 f7 Zsituation display systems, surveillance systems and) i+ l$ @+ ]4 G3 }' q+ K) z
flight data processing, remote devices, decision3 \+ u# X, o( H- Y
support tools, and the related communications1 R) u1 V* B3 s# w# G0 J
equipment that form the heart of the automated IFR3 Z/ J- V" w3 T
air traffic control system. It interfaces with automated8 q% ?# I1 Y \6 n
terminal systems and is used in the control of en route
* K' e0 |0 Q/ C/ x, c; J0 dIFR aircraft.
8 s$ o1 b; A1 b7 y(Refer to AIM.)# h8 V3 J3 S {+ r3 k/ ?
EN ROUTE CHARTS(See AERONAUTICAL CHART.)
# B' z0 {9 c) z" T$ DEN ROUTE DESCENT- Descent from the en route: z2 E5 W; @: K) u( \! Y" Z' l
cruising altitude which takes place along the route of4 L% Z, I" m) J* p/ a/ n, o
flight.' {; n/ O; d7 C
EN ROUTE FLIGHT ADVISORY SERVICE- A
8 @! H% Z h% L3 \service specifically designed to provide, upon pilot% \7 h9 v* N0 V* a$ Z! D+ r
request, timely weather information pertinent to% o; n* ~" B( f0 m
his/her type of flight, intended route of flight, and
1 L! P Z* m/ S! W; o$ ?% daltitude. The FSSs providing this service are listed in
8 p, j$ J) z. A( @* v' x# [the Airport/Facility Directory., F( o/ N5 S- v: {& x
(See FLIGHT WATCH.)3 {5 }* R2 x; a3 W9 H
(Refer to AIM.)
9 U* y) S7 A/ g+ A% r. oEN ROUTE HIGH ALTITUDE CHARTS(See AERONAUTICAL CHART.)
9 w& Q* x3 d5 Q8 Z; c E' q( ]EN ROUTE LOW ALTITUDE CHARTS(See AERONAUTICAL CHART.)
2 \- B0 [' N7 f3 L7 q3 `. vEN ROUTE MINIMUM SAFE ALTITUDE WARN‐5 o+ W0 M* p; |/ h0 z# o; P$ [- m& }
ING- A function of the EAS that aids the controller3 m4 Z0 S) b8 Q9 G! n/ T9 _
by providing an alert when a tracked aircraft is below$ S( @, v$ _9 Y' K* L
or predicted by the computer to go below a+ u3 u" Y# q$ ~, k* Z) x
predetermined minimum IFR altitude (MIA).
0 r$ d; D4 {& m/ k& _7 h. FEN ROUTE SPACING PROGRAM (ESP)- A7 g% ^5 [# W, f( y% }) @; Q
program designed to assist the exit sector in2 `# A' m- g* P, z; ~ k' G
achieving the required in‐trail spacing.
- c% o% `+ W4 s+ A2 F8 ]6 mEN ROUTE TRANSITIONa. Conventional STARs/SIDs. The portion of a p. u! ]8 A' j$ O5 c' w
SID/STAR that connects to one or more en route
0 b' _1 A8 {; F# t* w3 lairway/jet route.
m4 Y$ K; V% E8 bb. RNAV STARs/SIDs. The portion of a STAR: A! b" j2 _8 D& k
preceding the common route or point, or for a SID the5 z2 H; ~9 e$ n7 ] W' t
portion following, that is coded for a specific en route
$ p0 z& X2 ~" E& Lfix, airway or jet route.
- r5 s6 ]+ ?( j$ f8 T. S% l8 e. A8 lESP(See EN ROUTE SPACING PROGRAM.)+ Y7 e: a1 V" ^& z6 p" c
ESTABLISHED-To be stable or fixed on a route,
1 k& b. E6 z; T4 oroute segment, altitude, heading, etc.
; F) q4 y! S Z Z5 d8 F$ tESTIMATED ELAPSED TIME [IC AO]- The
- C; E4 s' _9 n8 z: o, O8 `estimated time required to proceed from one
3 w: i/ O+ f" Ssignificant point to another.
0 o8 O# u* X1 l* ^6 T. R(See ICAO Term TOTAL ESTIMATED ELAPSED% q% m3 B3 z0 l
TIME.)
; Y/ f( R! _" A7 R) wPilot/Controller Glossary 2/14/08
# h" U9 N# O+ L$ |- w2 vPCG E-2* Q7 o/ c. Y* K8 a: [" I
ESTIMATED OFF‐BLOCK TIME [ICAO]- The
6 O4 r$ F$ x, X1 O, D% N: a* @estimated time at which the aircraft will commence
) E+ O7 Z/ l% u* d2 mmovement associated with departure.
4 h Z! `# P, n! M2 o a9 cESTIMATED POSITION ERROR (EPE)-
( d4 u4 D( F8 S- J) R0 U% e(See Required Navigation Performance)2 R9 h1 Y0 M( I" s$ S* C# R/ L- ?
ESTIMATED TIME OF ARRIVAL- The time the
5 l* H3 [/ L. ^- e4 F: wflight is estimated to arrive at the gate (scheduled
1 |2 z/ x8 J- O$ D- H( X; qoperators) or the actual runway on times for
6 C1 H" A, t hnonscheduled operators.
9 _5 _) i5 P* y L0 J9 F) s7 GESTIMATED TIME EN ROUTE- The estimated& q, @+ s- g( Y/ J! s8 n
flying time from departure point to destination* q& w7 z& D* K4 ?8 h! c* i; f
(lift‐off to touchdown).' P8 C$ z2 y* T# k% m- Q
ETA(See ESTIMATED TIME OF ARRIVAL.)
) g5 e! A9 Z9 [- W5 g' p: hETE(See ESTIMATED TIME EN ROUTE.)& W% ?. ~! H. v$ e- z
EXECUTE MISSED APPROACH- Instructions8 R; c# g; l; W H9 Y3 b/ _+ [' I
issued to a pilot making an instrument approach
# e- n6 y: c, pwhich means continue inbound to the missed
$ E; P( L) O' c( H1 g! Fapproach point and execute the missed approach% c7 m# M# N' e, A* ]# n
procedure as described on the Instrument Approach
9 c( f1 {- c- ^( k; wProcedure Chart or as previously assigned by ATC.
1 ?$ {8 L3 M1 gThe pilot may climb immediately to the altitude
* r8 I0 ~" z, `5 K0 d ^specified in the missed approach procedure upon! J5 R7 i. \3 x# A
making a missed approach. No turns should be
3 e% S- p. E( B: y0 h3 U5 sinitiated prior to reaching the missed approach point.
/ Y2 |, U3 X2 Y" p5 IWhen conducting an ASR or PAR approach, execute! ~" ]5 O# g( R
the assigned missed approach procedure immediately& L% V, E2 U+ s- A- Z+ w
upon receiving instructions to “execute missed
; K1 N; f+ S) u: \. d& r6 u7 U* tapproach.”
( ~, n0 v$ J& d# u3 a* f(Refer to AIM.)
! L& |7 k+ h) h( A4 n* pEXPECT (ALTITUDE) AT (TIME) or (FIX)- Used
( f1 D9 |% A8 punder certain conditions to provide a pilot with an l' Y+ m9 g0 T
altitude to be used in the event of two‐way: ?% m, W. T& K
communications failure. It also provides altitude
6 j/ [7 C3 z$ a. z( P8 winformation to assist the pilot in planning.& G! X8 z2 H: T% o4 L5 G. I
(Refer to AIM.)
4 R$ X7 D0 U8 \- T: u# k ~9 BEXPECT DEPARTURE CLEARANCE TIME
" d5 C7 g- T7 ]. w. O3 z) [(EDCT)- The runway release time assigned to an
& j# c" E* i- a3 t) D- q Haircraft in a traffic management program and shown
9 u. C/ L& X/ X% `6 M0 Z, Son the flight progress strip as an EDCT.3 K/ P) h7 }4 o2 I1 ^# H# w
(See GROUND DELAY PROGRAM.)
7 z" i! l" p; C6 XEXPECT FURTHER CLEARANCE (TIME)- The# F" V4 b" i1 U' W+ I
time a pilot can expect to receive clearance beyond a
' j6 X4 p7 u- j) u1 \clearance limit.
0 q) Y6 ?* _' y) h6 {EXPECT FURTHER CLEARANCE VIA (AIR‐9 M; e, W" Y2 e. N3 u' Q4 k
WAYS, ROUTES OR FIXES)- Used to inform a* ^7 M! S& k$ S# u# J
pilot of the routing he/she can expect if any part of the" A' E( M+ X9 Y. ~! C& ]/ N' c. R6 \
route beyond a short range clearance limit differs
1 M3 c5 @* p' d$ sfrom that filed.
; ]/ a/ D1 P9 Q$ Q& O' bEXPEDITE- Used by ATC when prompt com‐* S9 d8 c1 _- j: U- d
pliance is required to avoid the development of an
1 m/ \* J. s1 [/ C6 v) M( vimminent situation. Expedite climb/descent normal‐
$ ^$ V8 O+ C1 q, `' x0 A; l$ N& jly indicates to a pilot that the approximate best rate
8 h9 T- d$ U" ]of climb/descent should be used without requiring an
" X4 C. u+ N( q; I4 dexceptional change in aircraft handling characteris‐5 l' M; f1 |0 f& U% q
tics.; ~ G' I) ~' S% s5 O* ], l
Pilot/Controller Glossary 2/14/08
" i' q; O, q/ X& C/ {: A6 d2 LPCG F-1
% O" w- W: q" ?4 {9 DF
( m5 Z# s6 i8 ~$ \5 XFAF(See FINAL APPROACH FIX.)5 \% R* I" j$ {9 u& o
FAST FILE- A system whereby a pilot files a flight. }! A* A l- o' \8 l! B2 _
plan via telephone that is tape recorded and then3 [0 u+ m; C+ M1 d+ q3 i
transcribed for transmission to the appropriate air: }! M" p! L( l, d+ s
traffic facility. Locations having a fast file capability/ U5 J4 _# K# |' f2 e/ H
are contained in the Airport/Facility Directory.
" j- ]& S6 E; S ]% C+ ?0 u(Refer to AIM.)
8 v K. m7 z9 @4 T7 ~( C! NFAWP- Final Approach Waypoint
3 C" D9 S9 y/ }4 [' uFCLT(See FREEZE CALCULATED LANDING TIME.)
4 I# N* v( Q' o) S w. kFEATHERED PROPELLER- A propeller whose/ P" w4 @) c4 v8 t6 \
blades have been rotated so that the leading and
q( g6 u6 k- `4 V6 z+ etrailing edges are nearly parallel with the aircraft
* y* u3 R% A; I' _flight path to stop or minimize drag and engine/ C2 l% g5 ?5 s. k
rotation. Normally used to indicate shutdown of a8 }; X4 D2 s/ Q
reciprocating or turboprop engine due to malfunc‐* k5 Z% M- ~7 {! x! r2 o6 x" s# {
tion./ o H1 v" e& m: T! |7 F- p
FEDERAL AIRWAYS(See LOW ALTITUDE AIRWAY STRUCTURE.)! n/ W: z6 \$ L7 C4 o" S
FEEDER FIX- The fix depicted on Instrument) Y, S$ H1 s4 y0 U. M, X: G
Approach Procedure Charts which establishes the
0 \9 \4 O( A- P/ z0 E0 J( Tstarting point of the feeder route.
5 ?( n) k0 F8 u! P6 D4 |2 W$ d* z8 pFEEDER ROUTE- A route depicted on instrument0 @' o6 g+ Y, v( x
approach procedure charts to designate routes for% I( L( G0 m' |2 U! l
aircraft to proceed from the en route structure to the
7 D1 i3 K) ?, ~initial approach fix (IAF).( }! s) p. D9 U& v f* e" w
(See INSTRUMENT APPROACH9 C/ ]+ s3 ^/ C
PROCEDURE.). s) y2 `# U% X! O5 x. D- f0 `! F3 I8 a
FERRY FLIGHT- A flight for the purpose of:
/ \# k; U! J9 E* k; j8 o$ }, B7 ea. Returning an aircraft to base.9 J, }7 X9 S7 Z# P$ t) B" Y
b. Delivering an aircraft from one location to6 g& Z. o; N8 q. Z8 l
another.
k" f" j5 ^5 pc. Moving an aircraft to and from a maintenance" V. _# q% T% S3 @" V; N
base.- Ferry flights, under certain conditions, may be7 ?' ^$ C- f6 ]% M
conducted under terms of a special flight permit.8 x: ]0 [2 E& _
FIELD ELEVATION(See AIRPORT ELEVATION.)
8 Q x8 B5 V8 o |/ K) Y- tFILED- Normally used in conjunction with flight
0 g1 p" s8 ^" ?) C9 l Fplans, meaning a flight plan has been submitted to
# U; I6 ]1 V" IATC.$ g2 Q. P$ |7 H" u$ S
FILED EN ROUTE DELAY- Any of the following% l* H0 w. T" `/ n5 m
preplanned delays at points/areas along the route of
7 f9 M7 ]# _; I3 X H6 \6 q4 pflight which require special flight plan filing and& X/ t5 \" K' y1 X- u2 z
handling techniques.
0 j" a- X* {' \7 V- ha. Terminal Area Delay. A delay within a terminal
& m: Q( z# A4 [. X0 f, _' e/ S: Zarea for touch‐and‐go, low approach, or other
% s8 z, o& F; B2 gterminal area activity.+ y) B% M: |' \5 q
b. Special Use Airspace Delay. A delay within a2 M: B c, ?0 L' s
Military Operations Area, Restricted Area, Warning
! X u6 b* X7 N, iArea, or ATC Assigned Airspace.
" N, ]9 y8 h5 [- V4 ^c. Aerial Refueling Delay. A delay within an# } T' Q" E6 l# A5 P1 O) |
Aerial Refueling Track or Anchor.
9 y7 P: F9 j2 ^1 \ C5 |+ v8 {- BFILED FLIGHT PLAN- The flight plan as filed with' ` D" Z' B# H( P8 L+ h9 d
an ATS unit by the pilot or his/her designated, g! g; n) X' T3 L. y3 a* }
representative without any subsequent changes or- s7 y+ w& F9 A6 K
clearances.
( r2 y+ \! I+ I: }/ UFINAL- Commonly used to mean that an aircraft is6 C# p& b% F0 Z
on the final approach course or is aligned with a
& {& ], |9 |' g2 b- ]. C+ X2 a7 {& d' Alanding area.* J, ?: j2 L5 Y
(See FINAL APPROACH COURSE.)0 U; W- p3 y0 ]; O* k2 I- h
(See FINAL APPROACH‐IFR.)$ c4 I- I" e% M r; S' i- i% \
(See SEGMENTS OF AN INSTRUMENT! x! i$ |/ Q- w6 }6 M3 ^, H# a# Q
APPROACH PROCEDURE.)
: J" v* }4 O; H W0 H! d3 lFINAL APPROACH [ICAO]- That part of an" o. {# x1 J$ O# w+ O
instrument approach procedure which commences at( c5 L6 D+ |4 ^; Z# [( |; t; {
the specified final approach fix or point, or where
: g, w4 S9 d. lsuch a fix or point is not specified.& z) V1 u+ B3 b/ @
a. At the end of the last procedure turn, base turn
! E3 l9 D- B( i: n" y9 nor inbound turn of a racetrack procedure, if specified;
. H; ] N1 c" e* J; z+ Uor
( K/ ^; q" N# C0 s1 ~2 db. At the point of interception of the last track8 h8 }- z* t6 q3 W: F
specified in the approach procedure; and ends at a
7 X2 |) P. S# x& {0 x. y' o- s. ~point in the vicinity of an aerodrome from which:& o" t) U& L( v2 I/ F+ i: X
1. A landing can be made; or
4 f+ F0 N- |! U. f9 A" U" ^: t2. A missed approach procedure is initiated.2 u" | {' @& w! g
FINAL APPROACH COURSE- A bearing/radial/
& B! n( { h* o$ w, G/ f. z7 Ptrack of an instrument approach leading to a runway
9 i3 g8 C& N* O2 ?or an extended runway centerline all without regard
, ]. v7 _( g# \5 Oto distance.
# i" K; r; |1 UFINAL APPROACH FIX- The fix from which the6 ^+ \" P9 `7 ?' D# k6 S
final approach (IFR) to an airport is executed and
* d7 K; e8 n) O. P9 a Iwhich identifies the beginning of the final approach) U9 {% s! z5 t+ F* [
segment. It is designated on Government charts by$ C, @, ?$ k# w
the Maltese Cross symbol for nonprecision" O1 n2 W W3 `5 i% M) Y8 I
Pilot/Controller Glossary 2/14/08
0 ^8 s: ^; n7 G: F" PPCG F-2
0 E" a7 }2 U& @" S7 O9 _3 ~) [, napproaches and the lightning bolt symbol for
: R5 l. f- C5 D5 g' iprecision approaches; or when ATC directs a& \8 p0 |: k. K3 I2 S B
lower‐than‐published glideslope/path intercept alti‐( K2 I7 j# t- O
tude, it is the resultant actual point of the
u3 C. ?+ l( ?; O3 ^! g5 uglideslope/path intercept.- w6 {+ M `# b9 Z+ i+ ]2 M; B
(See FINAL APPROACH POINT.). B- q+ A/ W3 [! G! J
(See GLIDESLOPE INTERCEPT ALTITUDE.)3 E: O6 A/ X5 L0 y* O8 j
(See SEGMENTS OF AN INSTRUMENT, f1 K( X8 V! s# l' }3 }1 t
APPROACH PROCEDURE.)( F% F2 V7 U) p+ D1 e% N' C
FINAL APPROACH‐IFR- The flight path of an0 @" q" H9 y4 `8 G6 p7 a# p
aircraft which is inbound to an airport on a final
# D. W( @$ g0 |+ Ninstrument approach course, beginning at the final
! o5 ~8 j: @: H1 ^3 Kapproach fix or point and extending to the airport or# f6 K( g' K7 T8 N8 T
the point where a circle‐to‐land maneuver or a missed5 r% M ]3 q( H% |5 R
approach is executed.
! o5 \# e' z- a/ G0 K2 a(See FINAL APPROACH COURSE.)
$ _ }; R' Y2 ^0 N) @6 }0 [5 l(See FINAL APPROACH FIX.)
% S: p7 Y: K4 b+ G(See FINAL APPROACH POINT.)% Y8 I3 e: r" U3 s# A2 V$ V1 E1 d6 V
(See SEGMENTS OF AN INSTRUMENT
+ f# I# X" a# WAPPROACH PROCEDURE.); l4 ?$ ]6 ? m( S7 d5 S/ c& v- ~
(See ICAO term FINAL APPROACH.)
: o+ X7 o' b; v4 V+ v1 H/ k! I0 RFINAL APPROACH POINT- The point, applicable
) T2 |+ y E" r0 A# ^only to a nonprecision approach with no depicted; r5 A' j+ R! `
FAF (such as an on airport VOR), where the aircraft
1 v" ~( I L0 n$ S Z7 l% [is established inbound on the final approach course
1 j$ q/ a; g7 z" b6 Hfrom the procedure turn and where the final approach7 d% E! `8 S# u- j: h' Q
descent may be commenced. The FAP serves as the+ I, r" @8 y% e; B/ q, p. G- K/ @
FAF and identifies the beginning of the final. b( S& T, p) ?% {0 w
approach segment.
! M6 K$ Y7 P. f/ P' {(See FINAL APPROACH FIX.)
6 z h+ `, [+ q R' P) n, V9 ~3 v(See SEGMENTS OF AN INSTRUMENT6 d' n' }) [( ^2 u0 i/ F5 |4 {2 x4 q
APPROACH PROCEDURE.)
5 ]0 B( z+ ^) B7 o# E/ f; H. ^FINAL APPROACH SEGMENT(See SEGMENTS OF AN INSTRUMENT7 {3 N1 u0 `* Z6 \. r1 c
APPROACH PROCEDURE.)
5 q! ~. G" W; a! yFINAL APPROACH SEGMENT [ICAO]- That" _ U3 \1 M3 q
segment of an instrument approach procedure in, G" y6 Q$ ]" r: k
which alignment and descent for landing are
$ s+ ~6 z. v9 L' N8 waccomplished.9 N, v% r6 \' O& L: }
FINAL CONTROLLER- The controller providing v3 T3 I& p% N7 N+ o$ n. l' f9 Q
information and final approach guidance during PAR) W! ?2 @% C1 ?: V$ a! o& f
and ASR approaches utilizing radar equipment.( K- c1 v, A2 e; z; z
(See RADAR APPROACH.)) _7 q F+ X3 {1 p# @
FINAL GUARD SERVICE- A value added service6 d6 s6 p2 T9 [7 K; \
provided in conjunction with LAA/RAA only during
5 e3 j; b. \0 g2 ^periods of significant and fast changing weather4 g. T! U$ ^0 [2 z% j6 ?
conditions that may affect landing and takeoff
) k9 |& H. ]8 R& F8 V7 u3 woperations.
. X6 |, t* |; i: P, `5 H1 bFINAL MONITOR AID- A high resolution color
6 Z/ S2 p/ ?9 Rdisplay that is equipped with the controller alert
* f4 L! q Z* j5 Asystem hardware/software which is used in the. o5 `2 v; d1 b
precision runway monitor (PRM) system. The
/ _! g8 r$ d# i) J; s7 m: \; w5 w0 ddisplay includes alert algorithms providing the target
- G7 x5 H8 ~% f: ipredictors, a color change alert when a target1 N0 }! l( `2 ^' y! P
penetrates or is predicted to penetrate the no% @! V/ u" `0 |- D/ U" G
transgression zone (NTZ), a color change alert if the2 \0 q1 N" _$ E2 S) f7 K Z/ e
aircraft transponder becomes inoperative, synthe‐
4 q, N) p' g+ o \& ?( m4 D% Wsized voice alerts, digital mapping, and like features
( u# }$ w' ?$ s% Bcontained in the PRM system.5 T/ E1 d3 d3 T% o2 N* X
(See RADAR APPROACH.)/ Q! C5 ^* N0 E0 J6 b0 A
FINAL MONITOR CONTROLLER- Air Traffic9 O( m2 T! }8 |$ `% B
Control Specialist assigned to radar monitor the
( Z! ?- Z/ Y: W& _0 d. r1 Vflight path of aircraft during simultaneous parallel7 n7 N0 S2 x% V2 b/ k* ^" G
and simultaneous close parallel ILS approach
) @* g: s/ E. D* f: h/ I8 loperations. Each runway is assigned a final monitor0 X5 e! m7 \$ ~9 q& M9 `
controller during simultaneous parallel and simulta‐& s6 l6 V" W; C0 } `
neous close parallel ILS approaches. Final monitor
8 q0 S, i" O5 L0 dcontrollers shall utilize the Precision Runway
0 s# b7 C+ o6 M; n+ c" FMonitor (PRM) system during simultaneous close. F1 U' x& D2 Y
parallel ILS approaches.: m" \3 V% y- C9 c2 m
FIR(See FLIGHT INFORMATION REGION.)( K& M+ z" S, G& C) m
FIRST TIER CENTER- The ARTCC immediately# R- R) T( c" Y5 @. S# K
adjacent to the impacted center.
# i a4 a8 o& n* b1 g$ fFIX- A geographical position determined by visual
/ I$ t+ M) P( P9 C8 B) Oreference to the surface, by reference to one or more
! w0 M/ G- [3 F: t: _radio NAVAIDs, by celestial plotting, or by another
$ y$ W9 O0 v& X7 W4 f onavigational device.
) w3 W5 T! o% lFIX BALANCING- A process whereby aircraft are: {# b# J* w) {
evenly distributed over several available arrival fixes
& x& p6 l0 S6 ~( D! [reducing delays and controller workload.
$ m9 b$ V! i4 m* ?5 YFLAG- A warning device incorporated in certain* q. e Z8 C! {9 z
airborne navigation and flight instruments indicating1 `# `( H8 d5 B5 ^' t& c& u. j$ h+ j
that:
9 s" g$ R8 P( p9 ~7 ?. Ya. Instruments are inoperative or otherwise not9 n* {" c5 y! k
operating satisfactorily, or
# j7 w* F3 t+ C, K1 Q4 @5 Z* Mb. Signal strength or quality of the received signal! z9 o' [ Q. I+ H0 z- t5 ~/ c' Q
falls below acceptable values.
! l. a9 A/ s* s# h9 T3 v; x! xFLAG ALARM(See FLAG.)# R4 t3 r% ]0 \! d/ e" z
FLAMEOUT- An emergency condition caused by a
6 y% O, X8 y/ v& Jloss of engine power.! ^# `8 J! y% z- c h6 o# T9 j( \
FLAMEOUT PATTERN- An approach normally; q# Q9 l" ~1 ~$ p$ m% J0 E) U! L
conducted by a single‐engine military aircraft; `: ]0 L/ q0 O
experiencing loss or anticipating loss of engine
5 b8 C& }+ ~: h) i+ V' H$ LPilot/Controller Glossary 2/14/08 m3 ~+ c7 h( e% L T5 h
PCG F-3
6 z' q" h+ I2 L# Y6 _$ Bpower or control. The standard overhead approach/ {0 t: N% q6 f: S! m+ G% z
starts at a relatively high altitude over a runway
6 r6 t0 _* q0 o(“high key”) followed by a continuous 180 degree3 L! b- [# }3 T/ ]+ {/ n" @
turn to a high, wide position (“low key”) followed by6 G% C( c5 a7 K( |( J; u! P
a continuous 180 degree turn final. The standard
! H& C" g: u" B) l7 `straight‐in pattern starts at a point that results in a
: w5 e8 C; I9 W) Fstraight‐in approach with a high rate of descent to the
8 \, u6 C' x/ }. i* I. Lrunway. Flameout approaches terminate in the type
& _3 Y5 g' a4 T4 q% ~5 [' napproach requested by the pilot (normally fullstop).; F. Z" h6 K/ a( Y v' B4 ^1 q
FLIGHT CHECK- A call‐sign prefix used by FAA
' S3 J' o0 z4 y. N- H! vaircraft engaged in flight inspection/certification of$ y' Q$ g; U5 C; q% @
navigational aids and flight procedures. The word
- d& J& O- H0 h# K! _" o“recorded” may be added as a suffix; e.g., “Flight
# `: H* Y$ X' l5 Q6 JCheck 320 recorded” to indicate that an automated. U6 A" K$ {8 e6 s* k* X3 T5 p
flight inspection is in progress in terminal areas.
6 O8 B2 t& X, B% n(See FLIGHT INSPECTION.)
" i; o0 X" [9 ?' T(Refer to AIM.)
2 q) t' a/ k) h+ xFLIGHT FOLLOWING(See TRAFFIC ADVISORIES.): [+ ?1 C, d- H( k1 j: k0 l2 ]! S! P
FLIGHT INFORMATION REGION- An airspace of7 u" H' e5 k3 t# }. W
defined dimensions within which Flight Information* ?3 J' r; e- K0 G0 M& C: m
Service and Alerting Service are provided.
* ~ M4 T, @! e/ ea. Flight Information Service. A service provided" {8 g- p5 z/ e
for the purpose of giving advice and information, O' E o* R! h1 Q6 P
useful for the safe and efficient conduct of flights.6 \, H2 l: k/ W6 s* n8 e7 t/ s
b. Alerting Service. A service provided to notify
! q- c. `6 I! ^0 V& J* @2 Fappropriate organizations regarding aircraft in need
. T# e1 W( u1 u) \" }8 ]9 f7 gof search and rescue aid and to assist such" G: f& o2 f, a
organizations as required.6 u# }. Q2 f/ c( p& m8 Q
FLIGHT INFORMATION SERVICE- A service
5 E; ?! C( J# gprovided for the purpose of giving advice and8 A E( n# E$ R' R+ }9 E- E7 ]% A
information useful for the safe and efficient conduct. C& s; z$ X2 `( p! U9 F
of flights.. ]2 C6 s* \- Z- n$ H) a
FLIGHT INSPECTION- Inflight investigation and
" p5 [5 [% K$ b, D. ?4 Ievaluation of a navigational aid to determine whether
& e; @/ o1 u3 z8 n( @1 Jit meets established tolerances.* B( u/ U" K1 e k( d( V* z$ O' Z+ m
(See FLIGHT CHECK.)
0 D" y5 ~0 ]6 [! ?# P: K& v) I {) r(See NAVIGATIONAL AID.)
/ F7 a0 q: \) q+ ]* B& ^* S. N4 MFLIGHT LEVEL- A level of constant atmospheric
# }( W4 D6 o$ @pressure related to a reference datum of 29.92 inches
/ |5 \) \" x+ ~! \6 ^$ dof mercury. Each is stated in three digits that represent
8 l- B7 r1 e* e. a5 dhundreds of feet. For example, flight level (FL) 250( W$ N/ h4 n% Y- L5 ?
represents a barometric altimeter indication of
F3 t( x% Y) v5 t1 E25,000 feet; FL 255, an indication of 25,500 feet.
% }( T& r9 f* F8 R& A(See ICAO term FLIGHT LEVEL.)9 Z7 s0 F" i$ i- E$ \- B
FLIGHT LEVEL [ICAO]- A surface of constant
_1 _) [8 W0 g7 ~ K S ratmospheric pressure which is related to a specific
( v$ l3 \4 ~. ]/ Apressure datum, 1013.2 hPa (1013.2 mb), and is
( H `4 s0 h! n3 C/ _5 sseparated from other such surfaces by specific
' C# `# Y$ A [' e8 o8 A% E1 [pressure intervals. D3 D" f5 g+ u/ o+ ^9 t/ Y
Note 1:A pressure type altimeter calibrated in
( \. ~3 A; i! a1 ]: z# v% Faccordance with the standard atmosphere:
) ]2 j% r+ g5 o1 L! ]( G8 z+ Ma. When set to a QNH altimeter setting, will9 e# n: [0 ^2 `! x, J# }( a' P3 \
indicate altitude;
9 b5 I, S& O$ ?# |: Z+ [b. When set to a QFE altimeter setting, will
' S+ b) {& V. a) P% _% Yindicate height above the QFE reference datum;( I* p5 ]' ^ T( I/ I$ j. F; }6 G
and; }% V# u1 x: M9 w/ t; L
c. When set to a pressure of 1013.2 hPa6 V: _0 V; }3 h0 ]0 ~& S4 m
(1013.2 mb), may be used to indicate flight levels.
; _6 F( s6 _0 j! X4 s3 ], a# I1 G( q; Z' XNote 2:The terms `height' and `altitude,' used in$ S9 F) \ `3 v9 C$ }/ W2 M
Note 1 above, indicate altimetric rather than( G/ @( ^; I. H; ^7 `
geometric heights and altitudes.
6 \0 ^2 F6 e0 _% f+ ^5 y* {FLIGHT LINE- A term used to describe the precise
9 l9 {' M) w. Umovement of a civil photogrammetric aircraft along7 i- X/ ]3 P, q( S. L
a predetermined course(s) at a predetermined altitude
+ J! i. }2 w0 l3 hduring the actual photographic run.1 c6 k3 l1 b% ~% V
FLIGHT MANAGEMENT SYSTEMS- A comput‐
/ ?' M9 [2 J% [, Q( k6 D; Ier system that uses a large data base to allow routes) d/ |/ s8 f. G2 V/ i- u/ S
to be preprogrammed and fed into the system by
: k% v0 u/ l7 k" ~) k9 I+ emeans of a data loader. The system is constantly
8 j+ \& x4 l4 ~$ w1 H! }updated with respect to position accuracy by4 J! t3 P: h/ n! C8 X6 C
reference to conventional navigation aids. The# l0 A8 ~ O8 d; a+ ^. |% `. J% W8 |0 r
sophisticated program and its associated data base
* c) i( l7 f4 c& m9 O- hinsures that the most appropriate aids are automati‐
6 w$ f4 v) }: a5 |* Tcally selected during the information update cycle.3 n5 K5 K$ `) u; g# @% W
FLIGHT MANAGEMENT SYSTEM PROCE‐
$ G+ o- @: E$ DDURE- An arrival, departure, or approach procedure
4 [1 `4 L. u( p6 `/ }0 a! b Pdeveloped for use by aircraft with a slant (/) E or slant7 c; ]: [8 U- q" L! f1 z
(/) F equipment suffix.& S# p, ~+ H, z9 X
FLIGHT PATH- A line, course, or track along which3 s6 ]' c. o9 i& q) t) d& W: E- K
an aircraft is flying or intended to be flown. E! O& r3 H; T1 B, O1 m2 ?
(See COURSE.)/ J6 |/ W2 ~( }. E5 o: b8 n' D0 X) ~
(See TRACK.)
: |% G$ K& X, [+ `) {" |FLIGHT PLAN- Specified information relating to8 W( R! A- S+ q4 E& l8 z
the intended flight of an aircraft that is filed orally or8 R( c" O9 j+ F8 q+ L7 Y# @
in writing with an FSS or an ATC facility.
) L6 O4 v$ q" t+ I(See FAST FILE.)
+ k' M, r0 a; T(See FILED.)" k4 E3 X7 G) ~% @! ~) n
(Refer to AIM.)
- M. R; c: W1 Q7 u6 VFLIGHT PLAN AREA- The geographical area- B; H; [$ T% ]- z$ v+ ?: i3 F
assigned by regional air traffic divisions to a flight& D' p; P: _4 o9 D! p* M1 W
service station for the purpose of search and rescue7 m4 W- N4 H$ z
for VFR aircraft, issuance of NOTAMs, pilot$ Y# J# [ y8 S
briefing, in‐flight services, broadcast, emergency R; G3 X- J" V& n. j
services, flight data processing, international opera‐
& k7 S0 B: U2 R; A. c2 E2 a! Wtions, and aviation weather services. Three letter) Z; A$ I& h+ U; H0 j
Pilot/Controller Glossary 2/14/085 r! ]. y$ o+ Q8 u7 b& u* J2 G
PCG F-4. u$ N+ ?" B2 p1 F3 v5 m4 i" I! W
identifiers are assigned to every flight service station& _! B, O( B5 \, |' H0 r3 ]
and are annotated in AFDs and FAAO JO 7350.8,7 B7 M* y9 r* f4 ]! s% J% Q/ _
LOCATION IDENTIFIERS, as tie‐in facilities.- @2 \0 ^0 S L2 t( K& \" A
(See FAST FILE.)& j9 c3 s# U7 A P* S8 b
(See FILED.)1 ^+ R9 m+ _! o4 i1 E( b
(Refer to AIM.)
# C! f) o( R& A; e" OFLIGHT RECORDER- A general term applied to3 u: k1 W5 V' S) q
any instrument or device that records information
9 h+ W+ y' [( a3 Z3 L2 C% zabout the performance of an aircraft in flight or about, Z, }+ n6 k( P6 H, x7 C$ b
conditions encountered in flight. Flight recorders3 L0 |5 v$ J2 q# L6 t" n% _3 O
may make records of airspeed, outside air
1 a1 A# r" I2 htemperature, vertical acceleration, engine RPM,1 r. \0 b6 m& b/ u
manifold pressure, and other pertinent variables for a E' E+ b2 l- U
given flight.
3 L, K$ n" s9 o$ l! L7 P) c! ^; e(See ICAO term FLIGHT RECORDER.)
$ j/ w( b0 g6 e/ eFLIGHT RECORDER [ICAO]- Any type of
; B' J+ m; M$ M8 frecorder installed in the aircraft for the purpose of* T' ~7 j% j2 n
complementing accident/incident investigation.
8 e. L3 }# j4 F! LNote:See Annex 6 Part I, for specifications relating3 `$ f% A0 z. K; `1 a- h% V! `, y7 S
to flight recorders.
1 V3 Y* J* m6 j4 p; g# yFLIGHT SERVICE STATION- Air traffic facilities
4 x9 F: }( o4 o1 y5 E& A( Z) \; W- Ewhich provide pilot briefing, en route communica‐( K7 b" q$ {3 s* O
tions and VFR search and rescue services, assist lost S) ]5 F. n; t) K! B
aircraft and aircraft in emergency situations, relay$ C5 |, z+ W2 x3 }& M; R7 I
ATC clearances, originate Notices to Airmen,& e+ F( Z% ]* b' k5 v B
broadcast aviation weather and NAS information,- K; w' }) X' h/ N9 n2 r. q
and receive and process IFR flight plans. In addition,
* b8 e) |/ d! r& |* U4 N3 sat selected locations, FSSs provide En Route Flight X! Z7 M3 R) \# y7 o
Advisory Service (Flight Watch), issue airport
3 ]" g1 b, W$ `# I! x8 I( [advisories, and advise Customs and Immigration of
+ d3 Q6 A6 y4 jtransborder flights. Selected Flight Service Stations; g1 }5 z3 w: F4 a( c; q
in Alaska also provide TWEB recordings and take( F! G$ p/ s7 R: d6 g
weather observations.
" i- S. r# v) T1 l1 k1 U(Refer to AIM.)+ P9 A" [% v& p, X$ Q6 f
FLIGHT STANDARDS DISTRICT OFFICE- An$ E2 _, }- w- L/ c3 ]
FAA field office serving an assigned geographical0 D4 ~- }; g9 ~3 S8 p
area and staffed with Flight Standards personnel who7 f% T* Q w0 c0 K) M6 |1 b
serve the aviation industry and the general public on [- W! {9 R/ q3 n
matters relating to the certification and operation of& E, B: v( c. j- O
air carrier and general aviation aircraft. Activities* L7 {8 i# o. o; f7 T% d/ _. B
include general surveillance of operational safety,
; e# ? L) R# J8 Ocertification of airmen and aircraft, accident
' n U P7 n1 Z- P* q8 g" d. }& M) kprevention, investigation, enforcement, etc.
# q$ g% L$ u! n1 @/ yFLIGHT TEST- A flight for the purpose of:
+ F T: E! d& p5 O8 la. Investigating the operation/flight characteris‐1 I! d8 |, Y4 X& U: E; Y
tics of an aircraft or aircraft component.
, G+ C8 |+ Z Z$ }) s& u% x: Pb. Evaluating an applicant for a pilot certificate or
5 v/ r( Y K8 _3 Qrating.6 [9 G! A7 y p: k# _' B
FLIGHT VISIBILITY(See VISIBILITY.)/ j. F! R% w3 k" i& ]9 P6 l* X
FLIGHT WATCH- A shortened term for use in4 q; ?6 v; H7 e- \6 Z
air‐ground contacts to identify the flight service0 H$ i3 W& W/ @+ Q; K
station providing En Route Flight Advisory Service;
# D: b5 E; @$ Y r6 R5 ^* fe.g., “Oakland Flight Watch.”' l1 v0 U! m$ W
(See EN ROUTE FLIGHT ADVISORY0 _) h5 r; d( E0 ]. \! j# e
SERVICE.)
* A+ S8 H* k2 b! V- [FLIP(See DOD FLIP.)* `* {9 _) a8 n, A% C; D' ?5 f
FLY HEADING (DEGREES)- Informs the pilot of
( N. R' K' C4 v, J" _0 l1 ?the heading he/she should fly. The pilot may have to
2 y' e' a) z* H6 _# D8 i- zturn to, or continue on, a specific compass direction
" M1 ~+ f! o$ s5 T. i8 p$ ~5 bin order to comply with the instructions. The pilot is
. e$ e6 t' m5 Q- D. z% Bexpected to turn in the shorter direction to the heading
. ~" u6 J4 |; @5 tunless otherwise instructed by ATC.! V+ ~7 g8 q* f. N6 `
FLY‐BY WAYPOINT- A fly‐by waypoint requires" [- u9 p" A* z; K2 L9 z* V; g5 w5 V
the use of turn anticipation to avoid overshoot of the
" k* R. B) I; B9 L: o9 |7 Wnext flight segment.3 R. d) S$ |0 @; F; a9 T
FLY‐OVER WAYPOINT- A fly‐over waypoint
% t) H7 h1 P, O0 j* Uprecludes any turn until the waypoint is overflown/ |( [& H. W. I; Q( f' @
and is followed by an intercept maneuver of the next
/ T, {8 ]" M$ n/ R- Rflight segment.
1 w; k$ Y4 p, M& X# T3 n$ oFMA(See FINAL MONITOR AID.)2 }4 w# P4 O \. o1 O! r
FMS(See FLIGHT MANAGEMENT SYSTEM.)" H% t% m0 w8 ?, N, U% h
FMSP(See FLIGHT MANAGEMENT SYSTEM7 d# E4 B7 g( A2 @; G
PROCEDURE.)
" Q$ i6 m4 k% _) T9 eFORMATION FLIGHT- More than one aircraft
- h# R2 U/ x* Z H" j, @which, by prior arrangement between the pilots,
2 s9 M" m# A! h2 S. E8 Z1 ^" Aoperate as a single aircraft with regard to navigation1 m. Z& g2 z& {- `# m; n* F2 P
and position reporting. Separation between aircraft
! J, ^" L8 h' i; w2 A2 ~within the formation is the responsibility of the flight7 N: x& g; _' ~8 w! K) z b9 I
leader and the pilots of the other aircraft in the flight.7 ~+ j6 f) ]3 k
This includes transition periods when aircraft within- x4 k5 G* i( I! t& f9 a2 J) u
the formation are maneuvering to attain separation4 ?, h: B6 h! _' p% u& p
from each other to effect individual control and, r3 X- ~( `% o" _1 i$ n) l
during join‐up and breakaway.5 l) A* h' w1 r9 P) ]- | K* m( s
a. A standard form ation is one in which a
( z b3 W! Y, o$ hproximity of no more than 1 mile laterally or
/ X5 K n* p9 j+ N) f% flongitudinally and within 100 feet vertically from the/ b8 S2 ^) B) Z
flight leader is maintained by each wingman.& }% u; h; \3 e: R! C$ O! a
b. Nonstandard formations are those operating4 p x9 f% I; R- x+ W7 B5 X
under any of the following conditions:
4 ?" `% |& D6 G) v: ^0 [ j# MPilot/Controller Glossary 2/14/084 X E# ~7 g' [$ H4 q1 d
PCG F-5
" f. P U; Y2 n& _4 X+ Z1. When the flight leader has requested and ATC) E& _+ i/ l, ~1 t! z
has approved other than standard form ation
& N# t' G6 y( m5 cdimensions.$ j9 P, N; _( `$ p* d7 N1 t
2. When operating within an authorized altitude+ O7 z: ^" I- B8 I( z$ t( `$ ~
reservation (ALTRV) or under the provisions of a
* t5 N. r) ?& ]1 Z: ^* h9 Pletter of agreement.
( N* F! V$ b$ n. e3. When the operations are conducted in8 m7 R3 t6 b. B% P) Y
airspace specifically designed for a special activity.
/ T7 i- M2 x% Q, n! l+ C5 M: F(See ALTITUDE RESERVATION.)
+ }3 C9 W) H# e(Refer to 14 CFR Part 91.)
2 x* i2 R* m, ^1 I& n2 F$ R, jFRC(See REQUEST FULL ROUTE CLEARANCE.)
( n, x6 k8 V0 i3 c- G( H* t* ~9 JFREEZE/FROZEN- Terms used in referring to3 O: A0 |# w/ {9 k; ^' i: G/ r
arrivals which have been assigned ACLTs and to the( p/ c: @( E6 l$ T. [8 ~( K
lists in which they are displayed.
- @, T. _: K( }* L2 ?) k3 AFREEZE CALCULATED LANDING TIME- A# n z% M4 B8 `# d( Y5 Q
dynamic parameter number of minutes prior to the% y- h; F, Q& D7 d: L1 X! n$ |# C
meter fix calculated time of arrival for each aircraft
+ T( e1 J8 f% O* i' ]1 b0 ^when the TCLT is frozen and becomes an ACLT (i.e.,
; Z% v3 U8 k" F9 z0 \the VTA is updated and consequently the TCLT is: a# L" \7 H, L% U3 Z( O
modified as appropriate until FCLT minutes prior to! r$ O9 L7 x' q- f" y
meter fix calculated time of arrival, at which time0 i0 u; e. T9 }5 \
updating is suspended and an ACLT and a frozen' Z1 y( g7 c3 i
meter fix crossing time (MFT) is assigned).
8 n" `3 P# h7 LFREEZE HORIZON- The time or point at which an$ P* [5 `3 N% {! T8 u/ W4 S6 U
aircraft's STA becomes fixed and no longer fluctuates; M" V, f% l) b6 ]4 R- `1 l) Y5 t4 G
with each radar update. This setting insures a constant
! n4 B+ r3 W4 ~' [! [( A7 @time for each aircraft, necessary for the metering
$ a$ J9 A1 Z/ ~2 \controller to plan his/her delay technique. This
; }, ^! ]; n% zsetting can be either in distance from the meter fix or
' g3 g; n$ Z+ L6 e2 J4 _0 Ya prescribed flying time to the meter fix.
* W% Q( ]" z. w& b. e* P3 X: ~FREEZE SPEED PARAMETER- A speed adapted0 \3 P8 }9 e# `0 [+ Q3 i: O$ t, a- a
for each aircraft to determine fast and slow aircraft.: R6 V) _) g6 Z6 R; h- S- p" B; ?
Fast aircraft freeze on parameter FCLT and slow
k7 i6 W; O9 c( B; O5 caircraft freeze on parameter MLDI.% `; T# B' _* D2 f
FRICTION MEASUREMENT- A measurement of
' P2 m5 ?# m) @! Nthe friction characteristics of the runway pavement
6 _# [, H1 v/ l0 T# ~/ ]& l: lsurface using continuous self‐watering friction
/ b" j) h3 K5 R$ E0 s5 d Q& c! `measurement equipment in accordance with the
' J- n' H4 m. a3 A3 I$ Z+ Y9 h" X/ ~specifications, procedures and schedules contained
; [# d* v& j; {5 Z. u, uin AC 150/5320-12, Measurement, Construction,0 q# @5 ~* P) [. P
and Maintenance of Skid Resistant Airport Pavement ]. g: \. p5 f A% u4 F" H1 @
Surfaces.
1 G) D4 P6 m+ }FSDO(See FLIGHT STANDARDS DISTRICT OFFICE.)
9 R6 p& m7 u, k/ v; }FSPD(See FREEZE SPEED PARAMETER.)
3 K' }8 E7 c6 f" e/ q2 kFSS(See FLIGHT SERVICE STATION.)% K1 ]& y N3 F- ?2 Q. F0 \- P
FUEL DUMPING- Airborne release of usable fuel.
0 F8 C" F& I! b7 {4 O9 [This does not include the dropping of fuel tanks.
9 R+ @1 Z2 A9 \* E4 n3 \(See JETTISONING OF EXTERNAL STORES.)
& B g6 f1 S) n: DFUEL REMAINING- A phrase used by either pilots9 }3 i3 q4 G/ k3 l
or controllers when relating to the fuel remaining on2 V, \' k5 ^( Q# h) x3 w' v9 n
board until actual fuel exhaustion. When transmitting
9 }1 p2 A1 Q* n5 {9 ~) t& j- Tsuch information in response to either a controller/ n. D$ R* V1 Z- b
question or pilot initiated cautionary advisory to air, u" e7 l+ b$ e, C- x
traffic control, pilots will state the APPROXIMATE
5 I/ H C0 I$ \( K! R) Q+ GNUMBER OF MINUTES the flight can continue
* V; y( J" K l6 P7 f- xwith the fuel remaining. All reserve fuel SHOULD8 s% f \& F8 H
BE INCLUDED in the time stated, as should an
' N3 _ R9 g- l. Callowance for established fuel gauge system error.
5 O* R1 ^0 R: a9 ?5 u! e8 `FUEL SIPHONING- Unintentional release of fuel
/ K/ O4 T0 u- H k1 ccaused by overflow, puncture, loose cap, etc.
* w) `+ ]5 C* C0 V% P$ zFUEL VENTING(See FUEL SIPHONING.)
% G y. e+ c, C+ x3 Z7 G, V* F1 gPilot/Controller Glossary 2/14/08
* V) [3 B" f ~, ^2 L; tPCG G-1
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