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COMPOSITE SEPARATION- A method of separat‐
0 v& |- {9 l2 r, r: `: wing aircraft in a composite route system where, by* M: x% u1 }. M: x
management of route and altitude assignments, a7 J5 A- U1 d% v: G/ V
combination of half the lateral minimum specified for$ D, g* g* h& D; w2 Z
the area concerned and half the vertical minimum is. Z& @" Z1 L3 S) Y' O
applied.+ q3 M( N. F2 n% I9 T/ k. ~
COMPULSORY REPORTING POINTS- Reporting
3 T6 v& p0 F% c" y+ m! v" O8 epoints which must be reported to ATC. They are- s s+ a( C* p2 h! _
designated on aeronautical charts by solid triangles or
# S2 |& L9 \4 v0 H4 b+ H1 U% g6 s- ]6 Qfiled in a flight plan as fixes selected to define direct
$ _4 z: O7 q; b5 r( \; h- sroutes. These points are geographical locations3 h# v$ w4 W! O7 u7 f8 @# |
which are defined by navigation aids/fixes. Pilots2 }0 e' D5 q7 _7 N. Z
should discontinue position reporting over compul‐- n2 t4 @4 Q. f* k7 N/ k
sory reporting points when informed by ATC that
4 g8 S1 \% V! P3 ^their aircraft is in “radar contact.”7 c! q1 U1 y/ I6 i6 V( f
CONFLICT ALERT- A function of certain air traffic
' ] T( K. T3 z0 ~/ [! l$ z: `control automated systems designed to alert radar9 a& A, M. B- l( I' v
controllers to existing or pending situations between% `. h" a! u/ `
tracked targets (known IFR or VFR aircraft) that p1 Y( N2 l3 O" ?! S, r
require his/her immediate attention/action.6 f7 s! U( W, ]6 ]6 i2 c
(See MODE C INTRUDER ALERT.)
& B& {/ r5 l7 C7 zCONFLICT RESOLUTION- The resolution of) @& Q$ X5 x5 I& y2 l7 [; c$ B
potential conflictions between aircraft that are radar" R9 k! Z. X; ?1 G$ _
identified and in communication with ATC by! u. ]' E, G8 Q2 L2 j* F' d
ensuring that radar targets do not touch. Pertinent
, H: m$ M# p- L5 qtraffic advisories shall be issued when this procedure
s( s4 }, y/ L% {; F3 tis applied.
0 C# A- u$ C1 v+ Y5 S$ }Note:This procedure shall not be provided utilizing
7 D" h- R# Z% bmosaic radar systems.
3 y5 s& f9 H5 j2 E, N: ~CONFORMANCE- The condition established when
, ` X. R/ m1 F h V" ?7 |; ran aircraft's actual position is within the conformance
$ }7 H" R, S8 ?7 E( B2 I3 nregion constructed around that aircraft at its position," V: I* l: U8 W2 `% Y4 U
according to the trajectory associated with the
- A5 S6 K% {3 x( Z7 Uaircraft's Current Plan.
+ @ O% C+ Q/ D |) s/ U7 \2 JCONFORMANCE REGION- A volume, bounded7 t- s- f2 f# {$ U5 q* V
laterally, vertically, and longitudinally, within which
; m( v: b" Y, K, }7 \7 c3 T3 Fan aircraft must be at a given time in order to be in( ^. R- u! M9 h+ G7 c) y0 a/ B
conformance with the Current Plan Trajectory for that
" ~$ O% M1 A3 S _) Z: ]3 Laircraft. At a given time, the conformance region is
2 E3 s0 W8 u4 Wdetermined by the simultaneous application of the
% d- ?/ m; R, V( z; c6 rlateral, vertical, and longitudinal conformance6 G9 G x7 [) y; M/ V! @* F$ T
bounds for the aircraft at the position defined by time( {6 X( |$ c0 w) z# `
and aircraft's trajectory.: j: o5 u3 }" Y4 N; U0 g% R
CONSOLAN- A low frequency, long‐distance
# I, V0 P3 K8 ^' ~NAVAID used principally for transoceanic naviga‐
% p+ F g3 H& h9 @3 X. ~4 D7 q: ?tions.8 y9 c4 o- ^5 w- m; p
CONTACTa. Establish communication with (followed by the0 f5 Y, g9 _' c. j9 _, i6 a
name of the facility and, if appropriate, the frequency: e$ ?0 w! f) n/ P# a, q. \6 t9 b
to be used)./ m3 u9 S0 H1 D
b. A flight condition wherein the pilot ascertains
' I3 W( m5 J- M3 cthe attitude of his/her aircraft and navigates by visual
0 g& |/ |! H2 M! f7 t" ?, }1 Freference to the surface.
$ \! V+ J) E* W, m* E# h k(See CONTACT APPROACH.)) C1 \! |" U8 Q$ N
(See RADAR CONTACT.)
+ r; D4 u6 {- f ~" q6 d1 OCONTACT APPROACH- An approach wherein an
, G3 k, W8 e# `* T& b6 zaircraft on an IFR flight plan, having an air traffic
1 R4 X3 k/ U+ O1 L7 ycontrol authorization, operating clear of clouds with" I. H# x% _5 N" ]5 m
at least 1 mile flight visibility and a reasonable9 w; z: b( u4 o; ~4 e' R* _
expectation of continuing to the destination airport in
/ c: t: {2 | Rthose conditions, may deviate from the instrument
9 g- l r/ t1 r" aapproach procedure and proceed to the destination" K6 X4 n" W' ^# I: R
airport by visual reference to the surface. This+ q* w7 V! U% A
approach will only be authorized when requested by! i: w+ E q9 C1 H3 S& h- |7 N
the pilot and the reported ground visibility at the
( ?3 ^& X1 M' Z0 Q1 l# h @destination airport is at least 1 statute mile.( H' ]3 I* [/ r
(Refer to AIM.)5 x' E( F: S. ]0 d1 X
CONTAMINATED RUNWAY- A runway is! B0 P9 w3 c& m2 {! s: B
considered contaminated whenever standing water,
, Y! Q* W) G# l( \ice, snow, slush, frost in any form, heavy rubber, or
& s5 ]9 T! M( sother substances are present. A runway is contami‐" X% J5 z% v j, D" b* }
nated with respect to rubber deposits or other
; z2 V, o, a) b% y1 Z2 Y& Xfriction‐degrading substances when the average% t% _( B0 u b
friction value for any 500‐foot segment of the runway1 p+ _6 T/ m0 e1 b6 Z
within the ALD fails below the recommended
( r( V. Q: O: w/ T$ [2 {% Xminimum friction level and the average friction value! V7 E' S1 w9 J7 O3 V
in the adjacent 500‐foot segments falls below the) X4 s4 t* R& R" B
maintenance planning friction level.0 \" A' H3 I8 X8 Z
CONTERMINOUS U.S.- The 48 adjoining States
1 z% Z1 M2 ^$ T* o6 @and the District of Columbia.
. V+ k; }. F; F& r% ?* YPilot/Controller Glossary 2/14/08
: r l7 r5 ~& IPCG C-6
1 k2 Y/ J$ a; ~' ^) S K" oCONTINENTAL UNITED STATES- The 49 States
( W( `3 L. j. |$ Dlocated on the continent of North America and the
4 {; C5 A: N/ g, p+ oDistrict of Columbia.
; w1 K' f2 M0 |; P9 hCONTINUE- When used as a control instruction
9 M9 q+ F9 a( B# G' n; O- @should be followed by another word or words
& L4 W* y/ u) m9 @8 fclarifying what is expected of the pilot. Example:
9 s* N/ h+ [/ e“continue taxi,” “continue descent,” “continue
8 }" N6 s" s# [9 ]inbound,” etc.
/ \( \9 B5 e6 q* ^4 D( w9 LCONTROL AREA [ICAO]- A controlled airspace
, C: p& X( S8 ?* V- `! uextending upwards from a specified limit above the
$ Z* H8 R; i9 f) Mearth.
, g% f% T* G9 c( _1 ^+ U+ T: M5 gCONTROL SECTOR- An airspace area of defined
. V( \" ^8 h+ k3 W$ B" O5 w( \horizontal and vertical dimensions for which a4 g; j* h: F- f! U! n i# g2 T1 S
controller or group of controllers has air traffic
7 p; A& U) O1 d6 e6 T# Y" V, W7 zcontrol responsibility, normally within an air route6 z3 \7 d3 M' R
traffic control center or an approach control facility.
: u$ |' A5 C& u8 r7 uSectors are established based on predominant traffic7 u$ D/ j1 B4 F
flows, altitude strata, and controller workload.* ^- U# ]( x8 k% c
Pilot‐communications during operations within a
2 U! F, `; {: r6 `8 x9 D! Usector are normally maintained on discrete frequen‐, S8 ^6 W4 J3 A2 |3 p
cies assigned to the sector.
+ h- ?1 [* Z8 \ A(See DISCRETE FREQUENCY.)/ O6 t8 ^- m: K k. j
CONTROL SLASH- A radar beacon slash repre‐, m2 f' K) I' d# k& q) L
senting the actual position of the associated aircraft.* s) s+ z, b- C- A* {. V* R9 P3 ?) f
Normally, the control slash is the one closest to the6 {2 J7 C! j0 h8 B1 |/ Y, z. @
interrogating radar beacon site. When ARTCC radar; O* h7 m2 j( ^ F" N
is operating in narrowband (digitized) mode, the! f( g4 h5 X B: L3 k
control slash is converted to a target symbol.
5 n+ \: Q# v6 n9 ^3 Q3 {/ T! k* }CONTROLLED AIR SPACE- An airspace of1 @/ t( c1 J5 k* j; X$ ], V8 L
defined dimensions within which air traffic control/ C# M( M$ f( p1 X/ O
service is provided to IFR flights and to VFR flights+ H/ i7 b% K8 \, O5 x, T
in accordance with the airspace classification.
( C7 h- ?$ D; La. Controlled airspace is a generic term that covers0 G* }! r9 F" ]! t. t
Class A, Class B, Class C, Class D, and Class E
! ?5 z q6 z7 c% xairspace.6 e: Y0 f) v/ i
b. Controlled airspace is also that airspace within+ I- _) E" K5 [9 @
which all aircraft operators are subject to certain pilot% `& p& S: z% R/ ]* ?" q1 n; }
qualifications, operating rules, and equipment: J# [7 A9 F; R1 q
requirem ents in 14 CFR Part 91 (for specific
# a0 g1 c( ]+ z6 u* t! q5 R; Woperating requirements, please refer to 14 CFR+ X4 j8 M/ q5 T3 m
Part 91). For IFR operations in any class of controlled& N( ~: H9 w) ~9 D7 C- `
airspace, a pilot must file an IFR flight plan and
; n8 o. N5 J3 _ rreceive an appropriate ATC clearance. Each Class B,
3 [) {1 D1 h6 ?9 C) fClass C, and Class D airspace area designated for an2 k5 m9 l% u. i
airport contains at least one primary airport around
1 v* N3 Z0 N8 @7 [which the airspace is designated (for specific- T1 P1 V' h7 }2 P; x. x2 O1 m
designations and descriptions of the airspace classes,( Z9 c- Q9 z, B! H9 s( f
please refer to 14 CFR Part 71).
; i- ~9 T1 \/ kc. Controlled airspace in the United States is- `; x* B- e( R1 _# V
designated as follows:) w( P, h! k) ~, {% e% J4 F
1. CLASS A- Generally, that airspace from! c' L9 X7 A: ]! c; c8 d
18,000 feet MSL up to and including FL 600,
@$ x3 O; F: q- }3 Z. Vincluding the airspace overlying the waters within 12
6 \9 J8 _6 e7 Q Z( f$ _nautical miles of the coast of the 48 contiguous States: n x H' M+ H% y& \) C! L
and Alaska. Unless otherwise authorized, all persons
3 n' {8 Y4 N6 g7 A5 Tmust operate their aircraft under IFR.7 ?$ p8 F. v* Z8 I
2. CLASS B- Generally, that airspace from the2 p# B# n2 x5 @4 G) `! d$ a( M# S
surface to 10,000 feet MSL surrounding the nation's# G+ j: s6 j6 J* @; l2 v7 l6 n
busiest airports in terms of airport operations or
7 t" F/ w) ^- Vpassenger enplanements. The configuration of each
3 _$ s7 I7 W. E% w" l( `- b7 K1 xClass B airspace area is individually tailored and/ m# c; J7 e& G9 B& [
consists of a surface area and two or more layers
7 @# b' v3 V# l3 ?(some Class B airspaces areas resemble upside‐down4 p9 L. U7 g6 n
wedding cakes), and is designed to contain all
3 w* V7 `; `4 a* r$ N% mpublished instrument procedures once an aircraft: y+ K3 M- T7 K# M1 I% U
enters the airspace. An ATC clearance is required for
3 n+ Y' u4 B) [; w6 G9 ?all aircraft to operate in the area, and all aircraft that
4 N- ?! C+ O v; g1 ~are so cleared receive separation services within the# t8 ?9 m* o8 C; s+ d# D: ]
airspace. The cloud clearance requirement for VFR8 S* V. M8 I8 M7 U
operations is “clear of clouds.”
$ l S) n1 D/ b( X0 I+ z w( k3. CLASS C- Generally, that airspace from the
! i- V8 E3 D* N! [$ O: gsurface to 4,000 feet above the airport elevation2 g! h# H. O/ Y7 d- ~
(charted in MSL) surrounding those airports that
$ p% h' n9 R2 q2 ihave an operational control tower, are serviced by a
P; K4 e- c$ ^& b( }1 ?radar approach control, and that have a certain" e0 ^+ c, N! I. b% ^6 S! Y
number of IFR operations or passenger enplane‐
/ k+ R ~! d R( O" x/ Kments. Although the configuration of each Class C
9 |3 u# l5 n% f, P$ J; `% o zarea is individually tailored, the airspace usually+ u) r; z2 T, v
consists of a surface area with a 5 nautical mile (NM)
; b" f) w/ o6 G( H9 k) f+ zradius, a circle with a 10NM radius that extends no4 l) f$ c" W6 r' t
lower than 1,200 feet up to 4,000 feet above the& g! k5 O% P8 Q# \+ r
airport elevation and an outer area that is not charted.
3 F4 y! G& y. [. o6 q# {& HEach person must establish two‐way radio commu‐
+ @" B; V) B* M# C( ]nications with the ATC facility providing air traffic1 @! F3 T/ Q1 l( ~6 i9 @. O+ f
services prior to entering the airspace and thereafter3 q; n. @4 ~+ [6 a# o4 \" C6 k; K5 x
maintain those communications while within the% [, w- T9 @' G6 Z7 M( n1 L% m! u
airspace. VFR aircraft are only separated from IFR6 s) g3 g! q ]: e& k5 _8 L. r
aircraft within the airspace.
, |: m+ H; G6 L* F6 Z' n9 U% K3 ^(See OUTER AREA.)* v$ C* o8 w3 ^3 ?
4. CLASS D- Generally, that airspace from the+ K$ X* z8 }5 x9 @
surface to 2,500 feet above the airport elevation
1 h3 h1 f l: Y1 F) W/ A(charted in MSL) surrounding those airports that0 q# O Z; @' k, A* y
have an operational control tower. The configuration. |: X* l, v- M
of each Class D airspace area is individually tailored4 ]6 f( b$ m1 t: R
and when instrument procedures are published, the* i: k- _5 K; T0 O5 y
airspace will normally be designed to contain the; m! I! m& P" _+ f, I- l, h
procedures. Arrival extensions for instrument7 z. }+ B, t1 g0 y5 d; w8 a
approach procedures may be Class D or Class E
& t. d) _) W, xPilot/Controller Glossary 2/14/08) G% N5 S- ]5 O! N: {9 |! j) L+ }7 c8 @
PCG C-7
. G- Q% {* P4 o# dairspace. Unless otherwise authorized, each person, J/ G/ y1 X& U
must establish two‐way radio communications with
* n& F T3 w' O4 u- v2 E# i. |the ATC facility providing air traffic services prior to5 j( h/ o6 X+ Q/ X1 g$ M
entering the airspace and thereafter maintain those
3 p7 b6 }* m% e) [! P2 E+ n+ e. Icommunications while in the airspace. No separation
5 a% h& |% x, U9 y! jservices are provided to VFR aircraft.
' }( d2 w/ f- b {0 Z5. CLASS E- Generally, if the airspace is not ~" ]( U9 B" |# A- |9 l8 Q: a0 b
Class A, Class B, Class C, or Class D, and it is6 V: k/ ]* O% I8 M
controlled airspace, it is Class E airspace. Class E; d- {0 h r# r& l l% A
airspace extends upward from either the surface or a
. s+ N9 s2 Z# s( C% idesignated altitude to the overlying or adjacent
& _) H" d$ `- P6 d/ w# I0 Ocontrolled airspace. When designated as a surface
; I8 P9 I6 u+ V( y6 K! s U4 Uarea, the airspace will be configured to contain all: D0 c6 M9 ~/ r( g z
instrument procedures. Also in this class are Federal9 R% Y6 y6 ^" T+ d9 }
airways, airspace beginning at either 700 or 1,200
# D h; L9 F$ Z* ~feet AGL used to transition to/from the terminal or en; {& q! |3 t( R- H, r, c* f% D. S3 j
route environment, en route domestic, and offshore
, w0 b) x/ P2 @0 Aairspace areas designated below 18,000 feet MSL.. o6 G1 R5 o- f, A
Unless designated at a lower altitude, Class E
8 u ?! H8 E/ |3 A- Yairspace begins at 14,500 MSL over the United
! x* k' l+ r4 H$ EStates, including that airspace overlying the waters7 P8 C. T Q G+ ^: _2 A
within 12 nautical miles of the coast of the 48
4 U: d6 b6 ^+ e" O* X( ?8 u9 s1 Rcontiguous States and Alaska, up to, but not, p0 Z$ B. {! F
including 18,000 feet MSL, and the airspace above
4 b" m3 ?! V+ u0 d; }+ yFL 600.; \0 R* }) D& S4 V% B. t
CONTROLLED AIRSPACE [ICAO]- An airspace
4 A9 X: \( M+ K9 M3 \- e# x, v5 yof defined dimensions within which air traffic control
( h4 L1 T4 g! k. h% Mservice is provided to IFR flights and to VFR flights
# B @6 `2 y/ R! t" l, Pin accordance with the airspace classification.* @: @# A& q( O& ~
Note:Controlled airspace is a generic term which0 E: {/ g5 K, _, j6 D/ p& d
covers ATS airspace Classes A, B, C, D, and E.
& a8 ^! A- ^/ O" r9 p: JCONTROLLED TIME OF ARRIVAL- Arrival time
- U2 }6 M0 F& |" k0 \; o2 _5 m* Vassigned during a Traffic Management Program. This
' ~: a% ]. G! f$ @2 Wtime may be modified due to adjustments or user
8 p! F8 J0 V8 @options.# U* ^; o* N% E2 `
CONTROLLER(See AIR TRAFFIC CONTROL SPECIALIST.); [, Q* s+ ]- G; I: v. I; r
CONTROLLER [ICAO]- A person authorized to
- d$ @' [: m% }, b6 d- ]3 cprovide air traffic control services.& V4 h( _% h4 f1 D; v$ `: x
CONTROLLER PILOT DATA LINK COMMU‐
# }" f$ L2 G( B' q% N) g! m; E, PNICATIONS (CPDLC)- A two-way digital very
. R: r3 c4 \5 f, x6 \# Nhigh frequency (VHF) air/ground communications: I9 c+ A2 L5 ~3 H9 [9 l
system that conveys textual air traffic control
4 O! o7 J$ Y& u6 E- nmessages between controllers and pilots.
7 z8 S. {+ i9 H2 q) A, P; W+ iCONVECTIVE SIGMET- A weather advisory! g4 C0 J* d1 ]4 D: ^# @. V# y4 f( `
concerning convective weather significant to the& G1 r' Y/ K5 m: g( j
safety of all aircraft. Convective SIGMETs are issued% g2 u* a; r9 D. S5 r7 |# ]8 V
for tornadoes, lines of thunderstorms, embedded
. E: R* F# n9 _* w7 Gthunderstorms of any intensity level, areas of
; p% I+ X! x" T' Mthunderstorms greater than or equal to VIP level 4
2 F# M; V7 N* r5 kwith an area coverage of 4) j' g4 \9 k9 Y; x6 @* _
/10 (40%) or more, and hail; i/ {' H* ?$ m. S/ f. u5 Z2 x- a
33 ^# n/ _; F, I: K$ H! |/ x6 z
/4 inch or greater.
1 m4 {) a$ j6 h% a- I. f: d7 d$ A(See AIRMET.)
5 i/ A6 p; |" u(See AWW.)5 m1 L9 t& G+ n# c
(See CWA.)
: }/ a! ?* u- ]3 q(See SIGMET.)5 p& _+ |' M) ?+ [
(Refer to AIM.)
! B3 B/ Z [6 t8 j$ fCONVECTIVE SIGNIFICANT METEOROLOG‐
: a7 }& `0 Q0 S3 f6 P6 j) pICAL INFORMATION(See CONVECTIVE SIGMET.); M3 k T+ D2 |' o7 T3 y
COORDINATES- The intersection of lines of
, ]9 q. e: J8 U9 ]: s9 `7 R( y7 [reference, usually expressed in degrees/minutes/
2 K/ p$ D% |4 r7 Kseconds of latitude and longitude, used to determine8 O' X+ S: p$ f: f
position or location.! i% I( B8 p$ I7 [! d$ z
COORDINATION FIX- The fix in relation to which
0 p; g6 n1 a5 Y& [facilities will handoff, transfer control of an aircraft,$ [* V# f. B. w' V
or coordinate flight progress data. For terminal
2 T: _5 Z. v+ ]6 n* kfacilities, it may also serve as a clearance for arriving' p( U3 t: H* z; A1 D, U
aircraft.$ f1 ]/ Q. o: v, |0 u( ^
COPTER(See HELICOPTER.)
" H7 S2 x& S+ JCORRECTION- An error has been made in the
' }, p( C/ \6 _8 z* \" x$ D7 t( ?transmission and the correct version follows.
4 q! I" Q7 ^- FCOUPLED APPROACH- A coupled approach is an3 H* e2 S; N: g: [4 h8 U9 y
instrument approach performed by the aircraft
9 g; j, C) V/ eautopilot which is receiving position information# y9 e' ^* H1 @4 c! T0 s$ h
and/or steering commands from onboard navigation
6 m" n: P8 [ l% Z% sequipment. In general, coupled nonprecision ap‐1 f, |: x$ O5 y0 ^
proaches must be discontinued and flown manually
6 b( k8 {' P8 V& a% b5 Y9 \at altitudes lower than 50 feet below the minimum0 |: m# H8 {3 B
descent altitude, and coupled precision approaches
4 c; a. ?" I! lmust be flown manually below 50 feet AGL.6 Y9 \" s+ J0 x, F
Note:Coupled and autoland approaches are flown! G: y' d& G, O [
in VFR and IFR. It is common for carriers to require
, n/ }$ S6 D4 @) Itheir crews to fly coupled approaches and autoland
* _# N- j/ l8 {1 s% Tapproaches (if certified) when the weather0 @! C; {' o+ q2 B& R% Y
conditions are less than approximately 4,000 RVR.0 ]: E" r& l% E
(See AUTOLAND APPROACH.)
$ O7 {% |+ g2 x) a& \3 z9 H* x$ xCOURSEa. The intended direction of flight in the horizontal: r) C& q2 }& d2 q7 z
plane measured in degrees from north.
& X0 F# {9 a) [* s ]- l n8 Db. The ILS localizer signal pattern usually
0 ?/ z# ~" v( lspecified as the front course or the back course.
4 R( s3 \1 S! LPilot/Controller Glossary 2/14/086 q* n% O+ P* {" Q/ a3 d
PCG C-8
: j! W: Y0 r/ _0 j; g5 Ec. The intended track along a straight, curved, or
( L$ e# a% M' ^% ^- ~+ Fsegmented MLS path.2 N6 |8 G0 r+ S* N
(See BEARING.)) U9 d. l" X4 w( e
(See INSTRUMENT LANDING SYSTEM.)( U: N5 Z8 F" G
(See MICROWAVE LANDING SYSTEM.)
@* \' @5 E$ L(See RADIAL.)
. ^9 }- K3 I( ~CPDLC(See CONTROLLER PILOT DATA LINK
/ ^# ?' B6 H9 H% ?, j5 m$ M0 o6 OCOMMUNICATIONS.)1 q0 R' n* Y6 c5 E Z8 a1 r7 v; e
CPL [ICAO]-6 z9 l3 G+ S$ y Q' Z
(See ICAO term CURRENT FLIGHT PLAN.)
" o$ d$ b: j, f/ ~6 BCRITICAL ENGINE- The engine which, upon
7 u( i9 m7 D1 dfailure, would most adversely affect the performance
1 g9 |7 W/ h" Q2 n% E3 mor handling qualities of an aircraft.
, b5 r! t. W3 kCROSS (FIX) AT (ALTITUDE)- Used by ATC6 O& B/ B2 ~ ?# Y" K$ @' D
when a specific altitude restriction at a specified fix5 ~' r* }7 X( Z4 z+ \
is required.* T& [! R. o6 v0 } \9 J
CROSS (FIX) AT OR ABOVE (ALTITUDE)- Used& Z% m# H+ r- @' o% H
by ATC when an altitude restriction at a specified fix
) h6 V P* R5 A; Dis required. It does not prohibit the aircraft from
* A- @0 m5 }+ P: \8 l9 G1 Bcrossing the fix at a higher altitude than specified;
2 u$ e7 z. _' r% p2 K) Showever, the higher altitude may not be one that will
) \; e, r7 o8 ?9 `! v0 Bviolate a succeeding altitude restriction or altitude4 [4 d* Q# g, E. h
assignment.
; o7 W W. G; d5 y(See ALTITUDE RESTRICTION.)- O3 D; S: x, e8 ?5 }
(Refer to AIM.)4 [/ @) e" F; Z
CROSS (FIX) AT OR BELOW (ALTITUDE)-
8 w7 R3 @8 G% n: l2 PUsed by ATC when a maximum crossing altitude at
' s* E9 H7 E1 }' ]7 n% ra specific fix is required. It does not prohibit the
r8 m7 m- D. [% R( L9 ^aircraft from crossing the fix at a lower altitude;% w, K) ~4 O- Y% R, _9 _# c! U, A
however, it must be at or above the minimum IFR7 }) K1 Z6 D y) M8 F% Q5 Y6 o5 R7 x
altitude.7 t4 J! c& M8 |/ {$ u
(See ALTITUDE RESTRICTION.): h; z# U5 `3 p5 t3 T. f' P. k
(See MINIMUM IFR ALTITUDES.)
" O) F; n: k$ @4 j: H5 P$ z; K% I) X+ I8 x(Refer to 14 CFR Part 91.)
2 N& G& S& Q2 l' ~7 C* N& k7 s( CCROSSWINDa. When used concerning the traffic pattern, the
" ^" ^5 S1 ]$ b8 M8 d3 tword means “crosswind leg.”
( `1 c1 E' G! g# w' X& A+ t(See TRAFFIC PATTERN.)
8 K3 W& |* L5 d$ P7 o5 \6 jb. When used concerning wind conditions, the- o9 `, K2 y5 Y% m3 H) w3 L
word means a wind not parallel to the runway or the( @; s- G2 P8 ~0 \, |' ]3 b+ p- G
path of an aircraft.& U6 Q3 |; [1 ]( a
(See CROSSWIND COMPONENT.)
3 O+ ]- ^( G* L9 e3 T8 E$ A# gCROSSWIND COMPONENT- The wind compo‐9 S x+ _& [& [3 Q/ j1 m
nent measured in knots at 90 degrees to the( O7 g0 Z, u2 @! q$ z
longitudinal axis of the runway.
; }! \( o' u* ?, [/ K, N$ [CRUISE- Used in an ATC clearance to authorize a
5 J! w, t2 z" {8 w6 \( U/ epilot to conduct flight at any altitude from the" v& R1 J2 I5 L" d; X5 _2 O* O, N6 w7 Y
minimum IFR altitude up to and including the
% n$ N6 \1 l1 R, |6 yaltitude specified in the clearance. The pilot may
0 R1 T/ _) ?& Q' e8 \& glevel off at any intermediate altitude within this block
# Q( r) p# U# G2 ~9 wof airspace. Climb/descent within the block is to be
' L, O# h0 X& U- E: @& qmade at the discretion of the pilot. However, once the
/ k0 n+ t0 M0 Spilot starts descent and verbally reports leaving an& D' v' g$ _, p: n. {
altitude in the block, he/she may not return to that
* T0 k2 @$ Y# ]% j0 V+ Q: C0 z3 d9 qaltitude without additional ATC clearance. Further, it, b; a4 M, P+ o& _. _
is approval for the pilot to proceed to and make an
% r7 ]$ F- S5 Xapproach at destination airport and can be used in% u# S+ b# d; O
conjunction with:0 ?5 T- [9 `* O; g
a. An airport clearance limit at locations with a0 r6 W& e7 e. [6 l; W1 H% @( z+ T
standard/special instrument approach procedure. The
- P+ _# o- w$ V& QCFRs require that if an instrument letdown to an
3 ?* K' F, ^* y4 S) @& hairport is necessary, the pilot shall make the letdown Z7 Q# X* m# w; t6 E* p A0 h
in accordance with a standard/special instrument
1 B) H! X% u# [& L8 Z8 Rapproach procedure for that airport, or
- |- K) O% L* L& P/ G: z; yb. An airport clearance limit at locations that are ^( a5 L. y& @" l3 e$ A' Y
within/below/outside controlled airspace and with‐! J1 P: n5 `# H4 ~" Y8 P
out a standard/special instrument approach- c! r: q: Y4 w) N
procedure. Such a clearance is NOT AUTHORIZA‐
7 d5 g8 c) M4 N3 }TION for the pilot to descend under IFR conditions0 W8 X6 g* L6 [8 T
below the applicable minimum IFR altitude nor does" u. ^( E2 D+ {& Y
it imply that ATC is exercising control over aircraft
; v* u3 P; e) I! F8 A% B# I; }- w& [9 _in Class G airspace; however, it provides a means for
7 K' E5 W4 A1 O& w- q. Qthe aircraft to proceed to destination airport, descend,
+ c# t( S4 C, l% e# |0 Y6 hand land in accordance with applicable CFRs- X( S& X8 P0 j j% ]9 m
governing VFR flight operations. Also, this provides
v/ S! c1 R$ X$ a" Esearch and rescue protection until such time as the/ g. }9 {$ S. |+ h4 K
IFR flight plan is closed.
8 M5 D+ y) o# v9 D/ ](See INSTRUMENT APPROACH# W% |8 J: H& {6 j' w, N5 g
PROCEDURE.)
8 R4 Y1 \& Q! T5 y7 |CRUISE CLIMB- A climb technique employed by U7 o+ Z: B5 B- F. b$ X: L; s
aircraft, usually at a constant power setting, resulting7 X7 e/ Z) S7 [% }- H
in an increase of altitude as the aircraft weight) |1 K, q" v5 o0 E- m# Z6 ?
decreases. j$ \" l# F8 h$ v
CRUISING ALTITUDE- An altitude or flight level
. t! }4 z: O) \maintained during en route level flight. This is a- P s0 H2 Z+ l0 M/ I B/ O7 F! W
constant altitude and should not be confused with a o$ V) Z5 v3 ^& N9 }
cruise clearance.1 Z, g3 N) q& H Z7 e) `
(See ALTITUDE.)7 [. J5 W9 }# G+ e6 U. R6 [
(See ICAO term CRUISING LEVEL.)5 T% N: E' r4 i3 W
CRUISING LEVEL(See CRUISING ALTITUDE.)1 F8 J! x8 s* D- \9 @
CRUISING LEVEL [ICAO]- A level maintained* U F) g! l3 H( }
during a significant portion of a flight.: I& a# K% R( @4 }) v; b; `
Pilot/Controller Glossary 2/14/08* I2 ]; X# B; R
PCG C-97 T* Y: j3 s# H/ u: p6 `
CT MESSAGE- An EDCT time generated by the
- j3 d) h6 T7 e5 ^ATCSCC to regulate traffic at arrival airports./ M6 N4 s! B Q7 C/ s6 r B+ L
Normally, a CT message is automatically transferred
# _! a% `/ M( ^3 K# Tfrom the Traffic Management System computer to the- d0 H7 S7 C' h8 Y& s2 k5 |
NAS en route computer and appears as an EDCT. In2 g c) j+ w" ^7 |
the event of a communication failure between the6 \8 W9 b0 J9 n& f; K! c
TMS and the NAS, the CT message can be manually
" R. r" W. p( ?1 Wentered by the TMC at the en route facility.
5 L: ~4 A: b9 \CTA(See CONTROLLED TIME OF ARRIVAL.)+ C0 A7 j" T5 n, E/ r: G# i$ X
(See ICAO term CONTROL AREA.)3 p! G- G0 L B( l- H R. e! }
CTAF(See COMMON TRAFFIC ADVISORY
# ]4 f' j8 \# N" dFREQUENCY.)
- }, _9 t. ^" ~. M# eCTAS(See CENTER TRACON AUTOMATION: k I: r4 D6 T' J
SYSTEM.)
; P% h# d, j6 @% G& V( ?CTRD(See CERTIFIED TOWER RADAR DISPLAY.)
, r8 q, n( d5 q, S% r: s1 r8 Y) PCURRENT FLIGHT PLAN [ICAO]- The flight
# ^: F. }/ o* r* E1 b% U+ }plan, including changes, if any, brought about by
) g: A1 \! j' T7 xsubsequent clearances.
6 ?3 y4 i2 _0 U. j, v6 b# xCURRENT PLAN- The ATC clearance the aircraft! d" D' s6 v! v* d) I
has received and is expected to fly.9 a+ x0 t/ e9 y
CVFP APPROACH(See CHARTED VISUAL FLIGHT PROCEDURE, Q/ l% l3 Q$ _0 N+ M6 Q% j3 p
APPROACH.)
- ?8 j8 C. d* X" {) q# d4 VCWA(See CENTER WEATHER ADVISORY and
?: n, n: i! C- KWEATHER ADVISORY.)
% H% y, g, H6 L0 [- zPilot/Controller Glossary 2/14/08$ N' a" {' `7 W$ D6 r& t2 v* A7 L
PCG D-10 |: R5 a2 n) ~" O/ L) t& h
D3 K7 L! o# x; g; Z K
D‐ATIS(See DIGITAL‐AUTOMATIC TERMINAL0 ~1 {0 T, r$ h) m" y
INFORMATION SERVICE.)
8 }% g/ C% Q" t% kDA [ICAO]-6 E7 i5 t& G6 f6 Z& c
(See ICAO Term DECISION6 C. @( Y$ o2 E$ _6 i; Y6 W; f! a# ~
ALTITUDE/DECISION HEIGHT.)
2 `$ P! z, _5 s7 ]! U) b3 {DAIR(See DIRECT ALTITUDE AND IDENTITY
9 p) n4 ]$ j; {& G: JREADOUT.)
' ], M$ ^- Y1 N! q, cDANGER AREA [ICAO]- An airspace of defined
. h9 Z3 ~/ S7 N; `+ Adimensions within which activities dangerous to the
9 U- `' T9 o M2 ^$ zflight of aircraft may exist at specified times.) L9 h, d6 ^- `4 z
Note:The term “Danger Area” is not used in
$ N | \% q! L. t2 o3 n' Oreference to areas within the United States or any
- i- ], ?: s7 O9 i% hof its possessions or territories.
% F# g/ K+ h% G0 s- j& LDAS(See DELAY ASSIGNMENT.)6 o. n. @& i$ ?( F9 R" N3 |; S$ x, Q2 ^
DATA BLOCK(See ALPHANUMERIC DISPLAY.)
5 [7 V, H. F# DDEAD RECKONING- Dead reckoning, as applied
+ B" w3 T4 g! L: [, Lto flying, is the navigation of an airplane solely by
$ W% g4 I+ F _means of computations based on airspeed, course,1 o, ~) a0 D( J Z7 j( v$ G
heading, wind direction, and speed, groundspeed,
0 [: x m1 W4 @; U% Gand elapsed time.- N/ D% { h* F2 W" c$ x
DECIS ION ALTITUDE/DECIS ION HEIGHT, P+ P2 N& z8 x! |# T& v
[ICAO]- A specified altitude or height (A/H) in the
- t% {) e" o1 b B t kprecision approach at which a missed approach must% s' S- `) l1 J1 P& W- ^+ p& b
be initiated if the required visual reference to9 K( E- ?* k2 X
continue the approach has not been established.
+ g5 I# ^0 n8 O% N( jNote 1:Decision altitude [DA] is referenced to) P7 O- t, J) m. d- A. {+ u
mean sea level [MSL] and decision height [DH] is1 y" X; j5 u+ Z+ O. ?7 U% {% `4 o" ]
referenced to the threshold elevation.
* Q2 z3 |+ x$ QNote 2:The required visual reference means that
U" U4 b9 h0 G" W0 Zsection of the visual aids or of the approach area% \, f! d- I3 ?4 ^) t3 B' P
which should have been in view for sufficient time
2 s. A% B& ]% X' W, W2 Hfor the pilot to have made an assessment of the5 F9 G$ d/ r, K* C1 o$ ]# V
aircraft position and rate of change of position, in! D$ X1 z2 c' }- T1 h
relation to the desired flight path.7 _( N2 q. I& x+ u
DECISION HEIGHT- With respect to the operation9 B) O y. U) r: u/ ?+ z. F' q
of aircraft, means the height at which a decision must
3 Y. l5 V: W j' N( }( cbe made during an ILS, MLS, or PAR instrument* `' G* F; [# j* N
approach to either continue the approach or to execute
" [4 K+ a- t9 ra missed approach.
+ i5 O: J# @& g% m# z, S `(See ICAO term DECISION* q" r; |0 ^/ D6 z' X4 X
ALTITUDE/DECISION HEIGHT.)% o4 n+ v7 }+ k% {% G
DECODER- The device used to decipher signals
" m( B- r- u4 R3 a" Hreceived from ATCRBS transponders to effect their' s* j# @$ M* _& A
display as select codes." e( ~/ E r3 L6 N; l( H
(See CODES.)% Q# F6 J% y: S O& l( _9 i6 C
(See RADAR.)" t& K$ h, y1 w, _" S
DEFENSE VIS UAL FLIGHT RULES- Rules
4 ^3 q2 G1 P- T5 Bapplicable to flights within an ADIZ conducted under
* X- c. X* i3 u* t) Pthe visual flight rules in 14 CFR Part 91.% M; e9 |$ O3 |1 P% Q
(See AIR DEFENSE IDENTIFICATION ZONE.)+ c, e- d# _" Z) S4 G4 k
(Refer to 14 CFR Part 91.)
# `: m# j# }0 F3 ~! u, {- V(Refer to 14 CFR Part 99.)
, ]' D0 S- ^- G- x' ~& p6 pDELAY ASSIGNMENT (DAS)- Delays are distrib‐
4 N# W. p% j5 u1 O2 N6 P% h' ]uted to aircraft based on the traffic management' Y X* O+ z2 g! ]4 B8 {
program parameters. The delay assignment is- y. `; S( |4 ?2 ?" T( p! v0 z# X+ X
calculated in 15-minute increments and appears as a6 _# I5 t- _& N$ p3 C0 b
table in Enhanced Traffic Management System
+ v( ]. K6 c1 o6 E ^6 j(ETMS).
+ W4 b4 q6 x+ b [9 [* k KDELAY INDEFINITE (REASON IF KNOWN)
0 m: H( W# t- PEXPECT FURTHER CLEARANCE (TIME)- Used' h3 Z2 e5 O' G7 K: q+ |! }
by ATC to inform a pilot when an accurate estimate
/ y1 x) s4 @/ P: Qof the delay time and the reason for the delay cannot; x' G! y) i% \% K3 v8 [# d
immediately be determined; e.g., a disabled aircraft
& O4 v- k- C3 {( x2 uon the runway, terminal or center area saturation,
! e% m4 `" h' C9 ~3 d1 V. V5 Wweather below landing minimums, etc.) ~9 p9 @8 B& p& H
(See EXPECT FURTHER CLEARANCE (TIME).)4 M4 }. g. c5 ]1 U' V/ A& ~ k) ~
DELAY TIME- The amount of time that the arrival5 p# _) D9 ~$ `( M/ Z
must lose to cross the meter fix at the assigned meter& z( J- _7 x3 X
fix time. This is the difference between ACLT and D$ l1 q3 g% ~! } @/ O
VTA.
: G5 k- o& j8 V3 j3 V+ }' n( XDEPARTURE CENTER- The ARTCC having
0 Y& E* ~2 J) M5 O2 sjurisdiction for the airspace that generates a flight to$ b& J" w& C" }8 I& v
the impacted airport.4 K% H2 [2 H$ u
DEPARTURE CONTROL- A function of an9 g0 r" P- ]. c% ?% w
approach control facility providing air traffic control
, }" {- m+ I6 b5 o+ p, E' T, u9 Yservice for departing IFR and, under certain
2 [$ R; X7 Q5 v& g' b7 iconditions, VFR aircraft.- o0 E A0 g! f" b+ R0 |! o3 m1 f
(See APPROACH CONTROL FACILITY.)
4 j5 ~1 y g* c' I, o0 w(Refer to AIM.)1 F, I' R1 y4 U# |6 `
DEPARTURE SEQUENCING PROGRAM- A/ k7 Q. I5 V, ^
program designed to assist in achieving a specified
+ \% l/ ]( x$ Sinterval over a common point for departures.# X, K8 ~0 E0 C7 y- q
Pilot/Controller Glossary 2/14/08, `" v4 p8 i- o% F ?# X- \
PCG D-2* e8 u5 }( X; b# o
DEPARTURE TIME- The time an aircraft becomes
- c0 M) L( m! a' b( B( a. v6 K5 qairborne.* c5 w/ d$ H% T1 _
DESCENT SPEED ADJUSTMENTS- Speed decel‐( k. B. W- n* h$ O5 }" ^% {
eration calculations made to determine an accurate
7 a) H1 z" t' Z ^% f. b, WVTA. These calculations start at the transition point
4 B4 J3 R D0 |- T1 aand use arrival speed segments to the vertex., f; A \# M2 `; q7 R
DESIRED COURSEa. True- A predetermined desired course direction
/ z1 _9 D# e1 u$ u+ kto be followed (measured in degrees from true north).
' H" v7 D( I' y5 W: i$ h- u0 ~4 |( Pb. Magnetic- A predetermined desired course
) R) o- |' B' Hdirection to be followed (measured in degrees from+ @* o* R, V' L( l
local magnetic north).
4 g+ ?' a% H* o! `+ w/ lDESIRED TRACK- The planned or intended track3 \6 j: ~+ ]& x0 _% _2 D
between two waypoints. It is measured in degrees/ ]. p, R( A/ C8 e+ j2 r/ P8 K2 l
from either magnetic or true north. The instantaneous: U `" L( C: T" c1 S! p
angle may change from point to point along the great
5 L7 U7 j' ?1 x6 \" gcircle track between waypoints.
8 I5 g, h v) g) O- dDETRESFA (DISTRESS PHASE) [ICAO]- The& j, P% d& _ V
code word used to designate an emergency phase
7 B% |; T* `4 N5 S3 k1 ?" bwherein there is reasonable certainty that an aircraft3 E4 U3 a4 Q9 n/ Q! j* F% E
and its occupants are threatened by grave and4 J0 L7 z O1 i4 @1 S: x; N# M
imminent danger or require immediate assistance.
& v2 a( m" |* E* L' }+ ?/ ODEVIATIONSa. A departure from a current clearance, such as an
8 O7 I5 ]: c3 @( i( Poff course maneuver to avoid weather or turbulence.# f6 d4 S6 K" `$ w. ^& f5 m8 W \
b. Where specifically authorized in the CFRs and0 L. ^: z% O" r& h
requested by the pilot, ATC may permit pilots to
: W7 J. o0 ?1 g4 e3 a! bdeviate from certain regulations.6 C( l( z" m9 T* m
(Refer to AIM.)+ M. A V9 D1 O2 t( k
DF(See DIRECTION FINDER.)
- ~) g+ K) e! P8 a) v: ^DF APPROACH PROCEDURE- Used under3 o7 Y% |$ T" o N. K
emergency conditions where another instrument
1 y, g7 C- g! e/ @' gapproach procedure cannot be executed. DF guidance
4 z# v( ^2 d5 m" v) c# K# q; v# Nfor an instrument approach is given by ATC facilities' x( @8 H/ P2 i" Q* U# c& L% D! o: w/ B
with DF capability.2 m+ {6 w4 i/ F
(See DF GUIDANCE.)( i" K# ^2 D$ V
(See DIRECTION FINDER.)
$ n J5 B) l* m7 r( R/ B- v(Refer to AIM.)
( E% Y q6 h3 [$ q% yDF FIX- The geographical location of an aircraft# _; [! L. |8 Y: h
obtained by one or more direction finders.( V/ ]9 t# W1 _1 \5 X$ z- K6 D
(See DIRECTION FINDER.). [9 k1 H, m# g ]
DF GUIDANCE- Headings provided to aircraft by
( ~) b3 W9 Q5 \. [facilities equipped with direction finding equipment.. z9 Q0 ~' n1 @& x, y
These headings, if followed, will lead the aircraft to) B& W; c7 m b% e" W
a predetermined point such as the DF station or an
% W! P/ D( r0 t7 j2 g& B3 Mairport. DF guidance is given to aircraft in distress or" s; i* k0 }# Z; q5 F
to other aircraft which request the service. Practice
; Z4 N& A" h+ J4 e" Y2 G5 \DF guidance is provided when workload permits.
2 k/ `1 W! ]3 w* l' z5 b5 t(See DIRECTION FINDER.)
7 `7 J" k6 w( z2 b(See DF FIX.)
& Z( M# ~% ] G9 Y# X(Refer to AIM.)2 ?7 `& M( C' v: b; Q% g4 u
DF STEER(See DF GUIDANCE.)9 N3 h- T" U. m% [
DH(See DECISION HEIGHT.)2 D4 z, d* e' ?2 @+ E, r: g% `
DH [ICAO]-2 {8 e( |3 W* {5 `. N3 V
(See ICAO Term DECISION ALTITUDE/
- L/ N/ q6 s: e* k9 z# y$ H# E! z5 IDECISION HEIGHT.)/ x2 m2 |( }* |/ p# s/ Y
DIGITAL‐AUTOMATIC TERMINAL INFORMA‐
4 @( ?( B! C0 cTION SERVICE (D‐ATIS)- The service provides
8 T' j- W* G- |text messages to aircraft, airlines, and other users6 x) v: }( g9 B R7 F9 U0 d
outside the standard reception range of conventional1 L* G, n' ?% O- |
ATIS via landline and data link communications to/ W+ a$ l6 l+ j& O ?5 _$ d7 K- ?
the cockpit. Also, the service provides a computersynthesized voice message that can be transmitted to8 X/ Y z/ R* Q2 F: K- a Q5 R
all aircraft within range of existing transmitters. The
v- y8 C, k7 i: m3 |! X; ^/ aTerm inal Data Link System (TDLS) D‐ATIS- J+ X( f7 P$ R; g! \
application uses weather inputs from local automated
8 e9 a. Q" W. j* b/ r: M7 fweather sources or manually entered meteorological1 T- E( W1 t* F5 \ W
data together with preprogrammed menus to provide
( i# ?8 F7 Z4 @standard information to users. Airports with D‐ATIS9 X7 M" v, g6 ]
capability are listed in the Airport/Facility Directory.0 s$ D3 c+ c6 U0 O
DIGITAL TARGET- A computer-generated symbol
! |8 f2 M3 c8 Q- h; \representing an aircraft's position, based on a primary2 F ?5 F. A) ^& `
return or radar beacon reply, shown on a digital7 y5 Z% a% i9 j2 }+ I
display.6 x! ^9 o! j' R9 t5 Q
DIGITAL TERMINAL AUTOMATION SYSTEM$ \) Q2 n' s+ s& O6 E# ]: ^
(DTAS)- A system where digital radar and beacon$ |' I7 U. m$ @5 `- d( }9 C
data is presented on digital displays and the
3 X9 g* f: N/ p/ a; Y& Doperational program monitors the system perfor‐
; }% H/ I- [( S; G1 f' gmance on a real-time basis.+ @ ^3 E2 o0 E
DIGITIZED TARGET- A computer-generated
% _+ D, _5 T, `5 C/ D3 D3 qindication shown on an analog radar display resulting
# U6 r( D: x1 ~& ?( l& A( Mfrom a primary radar return or a radar beacon reply.& c! `+ I# S/ y8 X7 o9 P
DIRECT- Straight line flight between two naviga‐
2 X+ L% i! ~$ jtional aids, fixes, points, or any combination thereof.
- X: b% R0 e Q$ xWhen used by pilots in describing off‐airway routes,
( e$ c% O& f: j( }0 J+ h2 Dpoints defining direct route segments become! [- o C2 V1 C7 Z! S
compulsory reporting points unless the aircraft is1 z* W7 l! I+ t
under radar contact.
5 G5 T' o7 W: oDIRECT ALTITUDE AND IDENTITY READ‐# N! I/ N. ^8 q8 t% V! a
OUT- The DAIR System is a modification to the! [# j4 S( U% g( H3 ]4 t# U& w
Pilot/Controller Glossary 2/14/08
% D) \! K& E7 m& @1 h& TPCG D-3: a: l' L7 H- o+ d1 H6 s
AN/TPX‐42 Interrogator System. The Navy has two
4 P# Q+ X) [8 J) G, w! c2 o4 f/ j' p0 q# ]adaptations of the DAIR System‐Carrier Air Traffic
0 i+ w/ }4 `" a3 ?* {* b8 Q5 IControl Direct Altitude and Identification Readout
7 U/ z) C: i8 Y& n# FSystem for Aircraft Carriers and Radar Air Traffic
5 O! z9 R0 t) a% C, i, oControl Facility Direct Altitude and Identity Readout! E6 j4 l6 ?" i9 }
System for land‐based terminal operations. The' G7 q: S* L- X4 \# d6 A
DAIR detects, tracks, and predicts secondary radar6 q5 G9 c3 K4 g% r
aircraft targets. Targets are displayed by means of) c5 Y" h2 W4 F: _6 L! H
computer‐generated symbols and alphanumeric
- w9 C$ T2 @% h6 O' jcharacters depicting flight identification, altitude,
; D4 m0 y5 A& _( Nground speed, and flight plan data. The DAIR System" U4 c5 B1 E) V( f7 Y/ d
is capable of interfacing with ARTCCs.
% C# \, v4 ]+ I' ~: J5 ^2 h* HDIRECTION FINDER- A radio receiver equipped" P# p# p( N+ B" G! [4 ?
with a directional sensing antenna used to take
7 w5 j G' z) C4 vbearings on a radio transmitter. Specialized radio9 e) `8 w9 m) J4 K
direction finders are used in aircraft as air navigation& R) y" B( \7 @1 `* }6 L" e
aids. Others are ground‐based, primarily to obtain a
1 g$ B v7 J6 B4 H# i1 O( l, v `9 ?“fix” on a pilot requesting orientation assistance or to
) q0 a# W) N% a$ K) i- b) }: glocate downed aircraft. A location “fix” is established
. Y5 `; V7 ]& H `0 w6 ~by the intersection of two or more bearing lines f7 P$ ^; [( F! f7 E6 v$ Y* J
plotted on a navigational chart using either two* p; s" k6 `/ W! K& ?- b2 E/ @
separately located Direction Finders to obtain a fix on
0 W8 ~4 E/ A6 u' i+ x8 oan aircraft or by a pilot plotting the bearing
2 H" L8 g. p& Z1 q9 T8 yindications of his/her DF on two separately located
6 F! A" q- ]2 N: K+ w# B0 nground‐based transmitters, both of which can be+ H* Q T5 w6 ?, ~8 U3 o0 V- M7 ~
identified on his/her chart. UDFs receive signals in
! D" B9 C) C9 F$ H( w: wthe ultra high frequency radio broadcast band; VDFs
+ {$ p% y# y! z' Q, \ k: X: lin the very high frequency band; and UVDFs in both( ] W& N9 J- e2 i7 I3 ?0 |
bands. ATC provides DF service at those air traffic9 B' k/ ^( k$ m9 S& s
control towers and flight service stations listed in the
( Q* x% u" r) I& B/ N4 ^; xAirport/Facility Directory and the DOD FLIP IFR En" z" v8 l! m Z8 |& ?
Route Supplement.1 {: { J4 S: W; F4 A2 w* J
(See DF FIX.)
# H# w9 _" q' i(See DF GUIDANCE.)2 Z V5 X& d' I) e' f
DIRECTLY BEHIND- An aircraft is considered to
6 P' V9 m4 ]: b/ ~/ Lbe operating directly behind when it is following the
0 e, `+ S" T2 z: s* b0 M' p: r4 Jactual flight path of the lead aircraft over the surface
" Q( u" {0 ~- \9 F0 Fof the earth except when applying wake turbulence/ ~ |3 e9 F) d( G1 D: M! Z1 u6 I
separation criteria.1 e0 [4 A$ n- U7 G
DISCRETE BEACON CODE(See DISCRETE CODE.)8 m( R: W( z! h$ M' e
DISCRETE CODE- As used in the Air Traffic9 u0 e- n/ p; ?6 M
Control Radar Beacon System (ATCRBS), any one& |/ F, x( l6 w' r
of the 4096 selectable Mode 3/A aircraft transponder: V: i5 {, C/ }) P; a9 m4 z) z8 X% r
codes except those ending in zero zero; e.g., discrete, ~1 M+ P# g5 ]& J. }
codes: 0010, 1201, 2317, 7777; nondiscrete codes:: Z0 L$ {0 w' u9 I
0100, 1200, 7700. Nondiscrete codes are normally* b- z$ e( o+ O+ C x1 }: a! ?
reserved for radar facilities that are not equipped with' Z i8 [# i& t3 J) [' T
discrete decoding capability and for other purposes s( g- z- }9 k" T# P
such as emergencies (7700), VFR aircraft (1200), etc.
/ P! W; h, P2 L/ n- k(See RADAR.)* b( X3 ]: L* |# c) m
(Refer to AIM.)
& T" \7 M% O8 Q8 |4 cDIS CRETE FREQUENCY- A separate radio
8 V2 j( S5 U3 t' P1 Yfrequency for use in direct pilot‐controller commu‐- ^; A% U: F2 E0 @
nications in air traffic control which reduces) {( {0 w; D: P% @- }1 k
frequency congestion by controlling the number of
7 e* G1 ^! l# {aircraft operating on a particular frequency at one
- g! y0 I- c9 O9 _( Jtime. Discrete frequencies are normally designated f( \; `9 {8 t' k: Q
for each control sector in en route/terminal ATC
, A6 O6 n! B: h: } }, }' c' `facilities. Discrete frequencies are listed in the& v/ ?: l# D V0 K
Airport/Facility Directory and the DOD FLIP IFR En
* w9 F0 E* F" z- k# XRoute Supplement.
, _4 I8 b( r7 {0 h3 D(See CONTROL SECTOR.)0 Y) t g6 ^* N+ ^1 P& L' ]/ t
DISPLACED THRESHOLD- A threshold that is
0 ?+ P, X/ \7 u2 D" f. p8 _. flocated at a point on the runway other than the
' s0 I/ q H6 e6 o: G Fdesignated beginning of the runway.7 P6 o* z! b$ o- s: Y/ X& I
(See THRESHOLD.)
* H \, E2 |2 h/ T! b M* a" g(Refer to AIM.)) P7 R- [6 x9 X/ ?( r# C7 N
DISTANCE MEASURING EQUIPMENT- Equip‐9 {6 O& X/ x! C
ment (airborne and ground) used to measure, in9 W8 D/ E0 ^- P* I
nautical miles, the slant range distance of an aircraft( j; J' m# R# t4 }) U1 y
from the DME navigational aid.
5 G6 r2 z( P0 \3 t* _) }, \(See MICROWAVE LANDING SYSTEM.)
# _+ S5 w) \2 B! Y6 h8 d(See TACAN.)5 x' Y1 v: q. e8 s! }. m
(See VORTAC.)
+ c# C0 Q" A+ ?1 w! O Q) LDISTRESS- A condition of being threatened by
2 L7 F4 t/ e: ]+ @7 J. }serious and/or imminent danger and of requiring
% v7 l3 j" g" |' P8 x- i$ U9 S! nimmediate assistance.
0 _+ t. ]- W" y8 z! d! o; f7 ~1 LDIVE BRAKES(See SPEED BRAKES.)
) N5 A9 z9 a9 M. k8 z: L* dDIVERSE VECTOR AREA- In a radar environ‐( t1 p; E6 ~ O/ c% T1 W
ment, that area in which a prescribed departure route
2 Q& ~% e- X! R( dis not required as the only suitable route to avoid
) `0 y) L, z+ R$ sobstacles. The area in which random radar vectors9 Z1 }8 _! }) o
below the MVA/MIA, established in accordance with( w+ \4 J1 U6 ]0 n- V( g
the TERPS criteria for diverse departures, obstacles
+ o, [$ H0 V4 I$ `and terrain avoidance, may be issued to departing( ~3 T* x5 N U1 O o, _: _
aircraft." l2 h% x9 S0 C( m* t1 C w
DIVERSION (DVRSN)- Flights that are required to
, s. w# V, t3 v5 }. E) u! tland at other than their original destination for
, \. m. `0 B$ B/ zreasons beyond the control of the pilot/company, e.g.8 q! J a, O3 U8 I( A+ |
periods of significant weather.+ K1 \/ U0 i' G; f/ E
DME(See DISTANCE MEASURING EQUIPMENT.) g" G" t: k$ R# O% b
Pilot/Controller Glossary 2/14/08; T6 e, z# h) c% ]7 @
PCG D-4# I! K7 l; c) @% t$ Y- z
DME FIX- A geographical position determined by
0 v% \: G+ j" S8 k' d+ Oreference to a navigational aid which provides
9 }4 { O2 y# L% e# x7 udistance and azimuth information. It is defined by a3 N' A& Z$ |$ m5 Y7 E- D- q' N
specific distance in nautical miles and a radial,
: |# I: E) ?* Y9 qazimuth, or course (i.e., localizer) in degrees6 L8 R e. P. d0 ^! Q
magnetic from that aid. l9 e4 ]* D) q3 C9 j
(See DISTANCE MEASURING EQUIPMENT.)
& i( i3 A/ t: K5 c( c( |2 ~4 w0 L: @(See FIX.)' W* s$ o( G( w# g
(See MICROWAVE LANDING SYSTEM.)& Z( q& F( ` n/ u# T
DME SEPARATION- Spacing of aircraft in terms of
4 k1 V: e2 a" Q1 Q' C. g1 W8 \distances (nautical miles) determined by reference to. [" t5 i# g( j$ f3 B- W) l
distance measuring equipment (DME).! U% u3 E3 r5 X. o
(See DISTANCE MEASURING EQUIPMENT.)+ v8 a! l6 j, d! n$ I1 E/ \! K& z
DOD FLIP- Department of Defense Flight Informa‐7 f1 ]" \" d6 E3 G- E; G
tion Publications used for flight planning, en route,' a' M4 ]( [1 _8 e) N. z
and terminal operations. FLIP is produced by the
5 e% B7 i9 i0 I$ r9 {0 ~. G' b+ HNational Imagery and Mapping Agency (NIMA) for6 K$ p+ ~& V ]; R7 P3 e& F' ~/ V
world‐wide use. United States Government Flight
1 D5 L+ v) O; }; aInformation Publications (en route charts and+ D& L9 b2 v4 k5 f e& h/ G
instrument approach procedure charts) are incorpo‐
$ I! o* `1 x) Zrated in DOD FLIP for use in the National Airspace: r# f! I% p1 P3 p
System (NAS).
2 z* D6 N4 k4 U9 s: i1 @DOMESTIC AIRSPACE- Airspace which overlies
" t- h' y1 S% I* _the continental land mass of the United States plus N! N. {" b9 ]! g7 |( P* j% e% P
Hawaii and U.S. possessions. Domestic airspace
# P+ @( j* d z# g/ R6 ~extends to 12 miles offshore.
* @' l! ]7 y5 o! jDOWNBURST- A strong downdraft which induces
% ^/ M1 |+ K/ t9 Dan outburst of damaging winds on or near the ground.1 l+ c: c9 ]* x0 @7 u" `
Damaging winds, either straight or curved, are highly
0 W# z, ~0 c" d8 K* i' a( pdivergent. The sizes of downbursts vary from 1/2' B+ J, K4 [: R2 p b
mile or less to more than 10 miles. An intense6 f7 r5 n7 }$ o' B$ G: j; I
downburst often causes widespread damage. Damag‐8 h. w$ c L' B6 t4 ?9 t" m
ing winds, lasting 5 to 30 minutes, could reach speeds
8 _* [3 a5 D# n: gas high as 120 knots.
2 }* J: f* H) q! JDOWNWIND LEG(See TRAFFIC PATTERN.)0 W8 [9 s" ^1 e- U
DP(See INSTRUMENT DEPARTURE PROCEDURE.)
: r( K2 Z* m$ R. _) D2 kDRAG CHUTE- A parachute device installed on
( i* c) @% k0 n; Acertain aircraft which is deployed on landing roll to
% r+ K$ h- a9 m5 }: d5 k/ C5 dassist in deceleration of the aircraft.% d+ G0 I; ^0 c* }- c
DSP(See DEPARTURE SEQUENCING PROGRAM.)9 D5 H* h2 L+ D" F" i
DT(See DELAY TIME.)( Z7 b+ F+ f8 Z$ R; O! F
DTAS(See DIGITAL TERMINAL AUTOMATION- u- C& y1 H- i5 H3 A
SYSTEM.). B6 J- ~6 u9 ~. g& y: S
DUE REGARD- A phase of flight wherein an
. g5 X7 n. D5 u( Faircraft commander of a State‐operated aircraft
1 e6 U- y, R% S u# ~# b7 q8 Nassumes responsibility to separate his/her aircraft
8 p8 i6 K, C. T x* Y* ifrom all other aircraft.
8 j* j/ L k( N(See also FAAO JO 7110.65, Para 1-2-1, WORD
$ c1 R8 T# m, R: ZMEANINGS.)4 W: N4 y( @. S) x/ e3 ?
DUTY RUNWAY(See RUNWAY IN USE/ACTIVE RUNWAY/DUTY1 e' W: V9 S( ^" }, ]* k7 y A6 Y
RUNWAY.)
% R. H. O. Y& F* \7 N+ c IDVA(See DIVERSE VECTOR AREA.)) F$ ?" Y) V9 N0 v; B0 @0 {
DVFR(See DEFENSE VISUAL FLIGHT RULES.)
5 E5 N2 H; i, |( e' ZDVFR FLIGHT PLAN- A flight plan filed for a VFR
1 L/ R( X( g) V7 {% }# b9 _aircraft which intends to operate in airspace within4 Z& ?& d. h, V+ s# f" a- `4 [9 Y( n
which the ready identification, location, and control6 p- B1 Q- i1 {! M+ t& f* _
of aircraft are required in the interest of national
# v5 i3 \9 P8 k7 z3 z; Fsecurity.4 T6 n% j; N$ r+ H3 ~5 l; F0 J
DVRSN(See DIVERSION.)1 q- k p8 i. P' p+ L1 B3 Z. `1 `
DYNAMIC- Continuous review, evaluation, and
. `5 }" g5 @' z5 mchange to meet demands.
! L5 u, D: G2 U# I O9 _DYNAMIC RESTRICTIONS- Those restrictions
; I5 T2 [+ H/ L; n1 |imposed by the local facility on an “as needed” basis' e% o" }1 @, T. M% L4 [7 }
to manage unpredictable fluctuations in traffic+ s: }0 k# X% A: e
demands.+ h ^- U0 A2 i! S
Pilot/Controller Glossary 2/14/08
+ f% f, w6 x, u2 o3 W) i; }' MPCG E-1; V& B/ f+ I$ o5 W
E* N- d, d+ P' {
EAS(See EN ROUTE AUTOMATION SYSTEM.)+ X6 c1 a6 l. f
EDCT(See EXPECT DEPARTURE CLEARANCE/ j6 b# z& V' @0 F* d6 g! ?
TIME.)+ {! B5 d y+ S
EFC(See EXPECT FURTHER CLEARANCE (TIME).)
, S" `( S) s+ s7 U( t% XELT(See EMERGENCY LOCATOR TRANSMITTER.)$ u( h5 K6 ~4 u. _# R6 G3 u: e
EMERGENCY- A distress or an urgency condition.4 i: V8 l, |! i5 S. m
EMERGENCY LOCATOR TRANSMITTER- A
; E+ F- q4 A0 x$ A; Sradio transmitter attached to the aircraft structure, e' [+ ?0 ^1 W( k- _( i7 v" @
which operates from its own power source on. p9 a6 Y. @1 r4 c: y! g$ r9 O
121.5 MHz and 243.0 MHz. It aids in locating0 O/ P5 h8 v; s" F3 S. u6 s
downed aircraft by radiating a downward sweeping+ L6 k' I- I9 n3 D: T3 ^2 p
audio tone, 2‐4 times per second. It is designed to
1 B: V% X T+ z- a" }function without human action after an accident./ U+ U4 V* k+ M
(Refer to 14 CFR Part 91.)& ^" U% n- k7 w" ^& k- H
(Refer to AIM.)
1 @; ~- c3 k, K. r' z: nE‐MSAW(See EN ROUTE MINIMUM SAFE ALTITUDE* U# C1 q4 D' N7 V8 c8 j
WARNING.)1 D! ` h+ H; ~( P4 H+ S$ m
EN ROUTE AIR TRAFFIC CONTROL SER‐
6 t$ ^) |, D; D; x- i) @# \8 C/ }VICES- Air traffic control service provided aircraft
3 \, n# Z1 T4 F4 Uon IFR flight plans, generally by centers, when these1 f+ h+ E9 I% ` I( `4 F2 O
aircraft are operating between departure and! R) }2 n- V+ |0 p. g4 W
destination terminal areas. When equipment, capa‐
: F- |+ K( H: N& ?3 h) `bilities, and controller workload permit, certain
, b( g* D9 Y; n" h3 K' ?+ T$ jadvisory/assistance services may be provided to VFR2 b5 N" n2 v; S* ^
aircraft.! X4 m0 L0 z3 \. [% M7 m, M
(See AIR ROUTE TRAFFIC CONTROL1 }* b! Q" r0 X. d$ s
CENTER.)/ g4 G: u3 ~% g
(Refer to AIM.)
1 d: E O5 a- o9 s7 kEN ROUTE AUTOMATION SYSTEM (EAS)- The
& O+ ^) w* T1 kcomplex integrated environment consisting of( a9 k8 R8 H/ t( _$ V4 F) I8 c3 n. k& [
situation display systems, surveillance systems and* i9 Q% C+ M2 P
flight data processing, remote devices, decision @; j9 A3 T3 a' N6 ?
support tools, and the related communications- ~4 @' p+ X+ v+ ~3 T
equipment that form the heart of the automated IFR" K4 z' H' }, f, o: B6 o5 K
air traffic control system. It interfaces with automated
* A8 u" w5 J' S8 P1 D1 L" ?terminal systems and is used in the control of en route
7 f- m+ k- b% J3 EIFR aircraft. W, q; _) Q0 G, E
(Refer to AIM.)" n( q0 Q Q1 w, d
EN ROUTE CHARTS(See AERONAUTICAL CHART.)
$ c2 v/ F4 q" t& u" Y8 L# o8 `EN ROUTE DESCENT- Descent from the en route
* j' U# B E, F' d% `# acruising altitude which takes place along the route of
' e* s5 h/ N3 k$ {/ K1 a& `- j6 kflight.. Z& C% H4 w8 u% E5 ]+ x4 l- Y3 K
EN ROUTE FLIGHT ADVISORY SERVICE- A D2 O& W/ m; M: W# M( `# j
service specifically designed to provide, upon pilot) S% e9 F; P+ }+ M1 R
request, timely weather information pertinent to
, J; f: B5 K8 i) u9 e. U7 d8 k1 d3 Bhis/her type of flight, intended route of flight, and
$ m3 ?7 x. q# H* baltitude. The FSSs providing this service are listed in& d) [ e8 u! W! M; h7 K" D" J6 h3 w
the Airport/Facility Directory., g" {- f, d; B' `1 {
(See FLIGHT WATCH.)
- l7 k& v' ^' T! p' Y( q5 I(Refer to AIM.)- b: Y9 ]6 ~2 i& r% Q
EN ROUTE HIGH ALTITUDE CHARTS(See AERONAUTICAL CHART.)
0 n" I' o3 |, d) g5 X% `1 x3 g1 gEN ROUTE LOW ALTITUDE CHARTS(See AERONAUTICAL CHART.)
" m, Y4 `2 F9 {1 I7 X% Q( xEN ROUTE MINIMUM SAFE ALTITUDE WARN‐+ v5 j2 d" Z+ }& \
ING- A function of the EAS that aids the controller
: B' F6 R- S" j+ w' f+ H# bby providing an alert when a tracked aircraft is below3 a' ]: H; W: m+ J
or predicted by the computer to go below a
. a& {. Y1 T/ j2 T L0 e4 I, M$ H/ Ipredetermined minimum IFR altitude (MIA).1 Z& e* W# ?' n
EN ROUTE SPACING PROGRAM (ESP)- A; u% _7 g7 P P; T! V+ F
program designed to assist the exit sector in
/ q% h+ S& R6 A9 |achieving the required in‐trail spacing.
8 d9 E% d. a6 r3 cEN ROUTE TRANSITIONa. Conventional STARs/SIDs. The portion of a
l$ X4 d# [* Z! C% R, B) _7 Y0 tSID/STAR that connects to one or more en route& G) S( x- E0 |5 e Q {0 J( S
airway/jet route.
3 I3 b5 z% _7 V. m- I, o) w( ~b. RNAV STARs/SIDs. The portion of a STAR
" a! ^+ B& `0 d5 H7 ^" f. Epreceding the common route or point, or for a SID the
6 y3 }# K( W( H/ c1 J0 vportion following, that is coded for a specific en route; h* e3 m' H, a2 \9 O
fix, airway or jet route.
3 [- Q/ V6 G" l7 R; u7 i2 N5 _& yESP(See EN ROUTE SPACING PROGRAM.) l! O0 W& \) r) K
ESTABLISHED-To be stable or fixed on a route,
- o8 d# E# S# H: w2 {; E! H" y" Kroute segment, altitude, heading, etc.
3 R% `0 J% N( m _0 nESTIMATED ELAPSED TIME [IC AO]- The. D5 w3 `# {0 c4 }
estimated time required to proceed from one% X f$ m+ a; ]' w) l2 z
significant point to another.
! S! b6 m- w+ u4 U(See ICAO Term TOTAL ESTIMATED ELAPSED5 E5 F' N5 E0 n4 N8 m! `
TIME.)- ~- H b$ u: f
Pilot/Controller Glossary 2/14/08" l; c0 Z( o0 i' v0 g5 D* w
PCG E-2
@/ T+ {( n+ Y# z" w, BESTIMATED OFF‐BLOCK TIME [ICAO]- The8 N2 w1 I+ P' J( k8 L) h$ D& V
estimated time at which the aircraft will commence
1 i$ z! {$ `4 V. y# a5 v/ i8 gmovement associated with departure.
1 }7 V( t5 f6 TESTIMATED POSITION ERROR (EPE)-
6 h/ Q c' R1 o: u" ^; B(See Required Navigation Performance)4 C5 Z2 A; _ I2 ~# I @
ESTIMATED TIME OF ARRIVAL- The time the
; S+ _4 e1 ?3 Q. V- m' y: y' Kflight is estimated to arrive at the gate (scheduled9 Z6 V' ~1 F K" m, q/ Y1 \+ ^
operators) or the actual runway on times for
7 ^$ F" @% ~# J2 _2 o! f& x R1 Pnonscheduled operators.) c/ [# X! m1 n3 c3 I0 F9 X. R
ESTIMATED TIME EN ROUTE- The estimated! a4 s6 W8 l& q3 [/ U1 y
flying time from departure point to destination6 }0 c8 r4 w4 v; p! d
(lift‐off to touchdown)." U/ s3 Q6 U' f! _' ` w1 h
ETA(See ESTIMATED TIME OF ARRIVAL.) b7 `$ s; a% K, E5 X
ETE(See ESTIMATED TIME EN ROUTE.); Q8 ]# y1 V+ D
EXECUTE MISSED APPROACH- Instructions+ g# B, y7 b7 j& ~) K X( X
issued to a pilot making an instrument approach
, f# A) P" {/ o4 g+ H) Qwhich means continue inbound to the missed. t, h, s& M3 E! P
approach point and execute the missed approach
6 g# k' B/ g% P- N% dprocedure as described on the Instrument Approach
0 Y4 |* _. Y6 R3 |% c+ Y! K, eProcedure Chart or as previously assigned by ATC.3 @# j4 ]0 D1 v4 U) F" t' V
The pilot may climb immediately to the altitude: S8 ]& W$ n4 ~( z: A8 W
specified in the missed approach procedure upon
+ R1 E5 O9 F; T9 N: v. Nmaking a missed approach. No turns should be- w' V% u1 R- _8 C' u
initiated prior to reaching the missed approach point.
, M! g( p0 [- GWhen conducting an ASR or PAR approach, execute; o7 B9 q) T7 t9 }2 F' x& ]
the assigned missed approach procedure immediately& J; H J7 E( _. r* Z# K
upon receiving instructions to “execute missed
1 p8 K( |$ t. V* dapproach.”
7 ^: ^+ F" O7 s1 S(Refer to AIM.)
' u7 ^3 }8 L1 YEXPECT (ALTITUDE) AT (TIME) or (FIX)- Used
3 u2 V% q" [% z- ^: t$ l- ~ Qunder certain conditions to provide a pilot with an* { B) [5 v3 N* O6 R8 x) F, l
altitude to be used in the event of two‐way$ _* ^- e+ p, d2 o
communications failure. It also provides altitude" K; @* T. S- N: ~
information to assist the pilot in planning.
" f8 l( p9 e4 X0 g5 K(Refer to AIM.)
( o# k! T7 k/ E7 o D6 XEXPECT DEPARTURE CLEARANCE TIME
8 x- ^" g) `1 z! I. [(EDCT)- The runway release time assigned to an
# p( H% `1 O4 ?+ Raircraft in a traffic management program and shown
8 {7 l9 B/ v2 ~; E5 xon the flight progress strip as an EDCT.
3 N( O5 R+ r* S(See GROUND DELAY PROGRAM.): r3 W% ]- N0 s
EXPECT FURTHER CLEARANCE (TIME)- The
: E W: J' Z1 E9 c$ i2 Y+ F* I3 ctime a pilot can expect to receive clearance beyond a* C; h0 J( m9 n; N- B/ G! u4 z
clearance limit.4 b" ?2 d/ z* u/ y* g. W
EXPECT FURTHER CLEARANCE VIA (AIR‐
& H2 N* _: y5 a8 |4 ~& \2 y+ d& rWAYS, ROUTES OR FIXES)- Used to inform a
. r; n- a. \$ n4 ~- L# Vpilot of the routing he/she can expect if any part of the9 o* |) T% F( U" W5 k
route beyond a short range clearance limit differs
1 p# S7 q3 C7 h" L# ?from that filed.' I1 _( t; B( i. {
EXPEDITE- Used by ATC when prompt com‐' D5 F7 J1 E' ` `" [* v: O, s
pliance is required to avoid the development of an* X- q( }* D7 p1 s. c
imminent situation. Expedite climb/descent normal‐
& H) s) _* b& G6 M6 @ly indicates to a pilot that the approximate best rate5 q& ?8 B( g3 `# w3 {
of climb/descent should be used without requiring an+ Q0 C+ l* `8 l5 Y8 ?( @! P
exceptional change in aircraft handling characteris‐
2 U6 d$ U [4 j& ]9 _5 t: R1 xtics.) L# p/ ~0 A: Y! h
Pilot/Controller Glossary 2/14/08
- X: t5 {6 W% n8 S' P& c" MPCG F-1
7 {8 Z' _: y1 v" sF: [2 x2 g( z$ G$ h# @
FAF(See FINAL APPROACH FIX.): P8 i% k; ^! Z6 p
FAST FILE- A system whereby a pilot files a flight1 ?" K/ { L" M# L5 p7 {
plan via telephone that is tape recorded and then* L! C- H& W0 m7 Q$ x
transcribed for transmission to the appropriate air
: f8 {/ ~3 r- O8 N! v2 t3 qtraffic facility. Locations having a fast file capability
9 @ i# @" E' r% P" Z, G% _) \are contained in the Airport/Facility Directory.
/ K) }+ {; C1 a8 K* O# l( @(Refer to AIM.)1 h/ G" y# h) x6 V0 T* F J
FAWP- Final Approach Waypoint
' m' v7 c- H+ r; a' f! p m* L$ GFCLT(See FREEZE CALCULATED LANDING TIME.)
( @8 H: [& x% |9 z+ u; kFEATHERED PROPELLER- A propeller whose
) \+ r& t$ {! _1 o3 a9 V. u) Eblades have been rotated so that the leading and
& V, O8 v# K9 X4 ?% |6 z: rtrailing edges are nearly parallel with the aircraft
- \! g* r0 `& J: i7 Fflight path to stop or minimize drag and engine) R) }. i& U0 N& ^5 H3 l
rotation. Normally used to indicate shutdown of a
( @, I! k! z, [2 ?' L4 ereciprocating or turboprop engine due to malfunc‐- ?( Y0 V! D( P( c
tion.4 b' @! z) k' `! b; w: y; m: Z8 q
FEDERAL AIRWAYS(See LOW ALTITUDE AIRWAY STRUCTURE.)+ i; C# `, k% J1 \* a9 L' G! o
FEEDER FIX- The fix depicted on Instrument6 \1 f% P, a, J
Approach Procedure Charts which establishes the
8 @* C- o8 f* sstarting point of the feeder route.0 h# S! R( S* C' Y1 q
FEEDER ROUTE- A route depicted on instrument9 c9 a8 [+ j, N3 I L
approach procedure charts to designate routes for" ^: h \! N9 ~* G7 I; w
aircraft to proceed from the en route structure to the
1 X5 B3 R! m" `* A5 n+ Linitial approach fix (IAF).3 B& S! K; O: e
(See INSTRUMENT APPROACH
) F! p3 Z+ i) q* r7 U; tPROCEDURE.)
& l! U; M- f8 ^+ r9 w: YFERRY FLIGHT- A flight for the purpose of:# o7 g4 f! ^, q& f, d
a. Returning an aircraft to base.
7 n- S6 q6 Q0 `- @# T8 p: Mb. Delivering an aircraft from one location to S$ w2 w9 \' u. T8 K8 N
another.; E0 p1 H( K# e( Q5 J6 z
c. Moving an aircraft to and from a maintenance+ f6 l0 X9 k" ?2 k& ]0 m4 R5 q# H
base.- Ferry flights, under certain conditions, may be
' `) z( t0 r$ xconducted under terms of a special flight permit.9 i( H- u: B, z9 O0 }
FIELD ELEVATION(See AIRPORT ELEVATION.)
3 X: m/ a/ C4 b6 q0 a0 p# sFILED- Normally used in conjunction with flight
1 |3 S3 [0 }& I. I% nplans, meaning a flight plan has been submitted to
* s1 S$ j+ O$ WATC.
G: |, T. p2 V, W6 u' O9 n( QFILED EN ROUTE DELAY- Any of the following
2 G- R( D( V p) Epreplanned delays at points/areas along the route of
! O' J p8 k [flight which require special flight plan filing and/ l! f% \" a/ B0 `
handling techniques.
* o8 t( M* }+ |+ c- Ia. Terminal Area Delay. A delay within a terminal
3 U8 e$ s& z; Narea for touch‐and‐go, low approach, or other4 Z" R, D5 {# v2 |+ m' Z0 o
terminal area activity.
$ c& n" y1 `2 T3 j4 ]b. Special Use Airspace Delay. A delay within a
. E* @; T' z. s. d" k- `+ qMilitary Operations Area, Restricted Area, Warning5 B; e) Y9 ^6 d
Area, or ATC Assigned Airspace.
# D* o$ A' M( q% w: ?5 K0 mc. Aerial Refueling Delay. A delay within an
' a C$ [3 j4 L7 FAerial Refueling Track or Anchor.6 l' {( |1 k8 y: g) b& S# k
FILED FLIGHT PLAN- The flight plan as filed with
1 o2 `5 K5 C* e- t1 m+ F, o, San ATS unit by the pilot or his/her designated
. J H# m/ N0 f$ p( Prepresentative without any subsequent changes or. W |! [# b0 r4 b" X7 w
clearances.
7 @+ ?6 _4 ~: |4 [7 v, W3 DFINAL- Commonly used to mean that an aircraft is
; v; e( I# h9 non the final approach course or is aligned with a
) o2 `8 \, _$ s$ g5 m2 ?landing area.
+ s$ H4 A/ g& E3 q: C(See FINAL APPROACH COURSE.) U( O6 ^7 ^5 O( J6 _. R$ P% W
(See FINAL APPROACH‐IFR.)
7 P- m7 @" P* Z5 X8 n(See SEGMENTS OF AN INSTRUMENT
. Q3 F+ F) E8 U) q/ G# A( ]APPROACH PROCEDURE.)
! A }0 v8 ]4 h1 @9 M* B' c! {FINAL APPROACH [ICAO]- That part of an, V f6 e1 E6 {8 {) S; C: M
instrument approach procedure which commences at
. g& t2 c. t6 j7 [the specified final approach fix or point, or where
% e+ W! p7 @) H8 l Asuch a fix or point is not specified.$ U* f: W- a+ L+ _" m+ X& s
a. At the end of the last procedure turn, base turn% _+ i; a0 j$ _2 s6 P$ Z
or inbound turn of a racetrack procedure, if specified;
: v+ r4 ]5 W. For
1 h2 P4 V! N' J8 K2 L( s# _# N Ub. At the point of interception of the last track8 S [! Q. \- ? l* s. q" {
specified in the approach procedure; and ends at a5 p1 x6 K5 D7 B
point in the vicinity of an aerodrome from which:
2 L" {* M$ \$ `6 c1. A landing can be made; or
5 c+ v# p) ?0 Y1 e2. A missed approach procedure is initiated.. q$ p, P5 M+ F' t$ V3 b9 [ W
FINAL APPROACH COURSE- A bearing/radial/
* {( N- ?! [/ ]+ i# H% {$ Q1 h! otrack of an instrument approach leading to a runway/ S r9 y7 G7 @. |
or an extended runway centerline all without regard8 r, E& ]2 @ T$ {" Z& G
to distance.5 }2 C) U d. G2 q8 ^5 [2 M
FINAL APPROACH FIX- The fix from which the
$ } K/ b, w/ c1 r; g8 a* ]1 u* ofinal approach (IFR) to an airport is executed and F) Z- h( H, {$ w" L$ {
which identifies the beginning of the final approach
, e, ~: `7 d; U+ j5 @segment. It is designated on Government charts by
1 S5 n S+ ~+ v$ ^" Sthe Maltese Cross symbol for nonprecision" O0 m& B! y* L. X6 F; Q' B" V
Pilot/Controller Glossary 2/14/08
8 \/ r! S5 M& _% F0 i2 `3 APCG F-2
. b2 _' p) _; Q! u8 Xapproaches and the lightning bolt symbol for
( v* x! I% z! J& z Fprecision approaches; or when ATC directs a8 B+ h! N9 x1 J0 H* p( S/ J, T- s
lower‐than‐published glideslope/path intercept alti‐ }& Q3 L% h7 P9 h; P7 V% X
tude, it is the resultant actual point of the: e" J6 R1 r* }& _, `$ d
glideslope/path intercept.
0 z% M2 j m3 e) ?( O( j) `(See FINAL APPROACH POINT.)
8 d' }) S# \5 V0 {(See GLIDESLOPE INTERCEPT ALTITUDE.)
4 H, F) h! s, M5 g: w(See SEGMENTS OF AN INSTRUMENT# N- i5 P+ } i7 f- R% d
APPROACH PROCEDURE.)7 C" C1 H* ?' m; p( ^
FINAL APPROACH‐IFR- The flight path of an
5 |( \: Y. k% e9 H) U9 yaircraft which is inbound to an airport on a final
# N4 L) Q. w. ~$ [instrument approach course, beginning at the final
. k2 G Q) ^2 c$ k$ E1 |+ rapproach fix or point and extending to the airport or
9 Y" x" t8 K$ |4 Athe point where a circle‐to‐land maneuver or a missed
& {$ ?% _1 Q& l- T1 napproach is executed.
3 U- L2 ~& Z' [) X/ t1 A$ M5 G" `(See FINAL APPROACH COURSE.)! N- Q/ m7 w4 { u) f
(See FINAL APPROACH FIX.)
* V/ f; _- Y* q6 |5 N$ X(See FINAL APPROACH POINT.)
8 o5 W" M1 f7 s. E(See SEGMENTS OF AN INSTRUMENT, _0 W6 Y+ d2 W+ U. ^
APPROACH PROCEDURE.)
0 g& M1 s H& C7 B# Q) @( o(See ICAO term FINAL APPROACH.)7 [$ `3 c; ~1 ~3 |( z$ z9 d$ \, h, d0 Y
FINAL APPROACH POINT- The point, applicable- @0 O/ P1 ?' q/ g0 @5 i; Q/ L
only to a nonprecision approach with no depicted$ t2 s3 D" e, F
FAF (such as an on airport VOR), where the aircraft
8 |9 ~% P5 ]% y" |$ x0 Z( j8 vis established inbound on the final approach course
" v% k2 x% Q( K% N; xfrom the procedure turn and where the final approach4 q9 ~% ^& N* S& |0 m; W
descent may be commenced. The FAP serves as the
( Q" X) [, V% K! H. k7 mFAF and identifies the beginning of the final
4 `' c6 Q+ f# L& [approach segment.+ \3 y# V5 X5 O. p+ J, C
(See FINAL APPROACH FIX.)
+ X1 H; m6 N8 t& v. O(See SEGMENTS OF AN INSTRUMENT
; c2 @8 F4 T- m# i- iAPPROACH PROCEDURE.)
~% i0 J$ [4 s# ~6 l0 ]( [FINAL APPROACH SEGMENT(See SEGMENTS OF AN INSTRUMENT# i3 h0 b! _, G6 [4 }
APPROACH PROCEDURE.)* U( ~# {" f6 H/ X- f# ^5 A2 U
FINAL APPROACH SEGMENT [ICAO]- That
4 ?" K8 g, c0 h, K' h" Bsegment of an instrument approach procedure in [. n- w: g8 X5 S! t
which alignment and descent for landing are& B9 @+ H% L5 O8 u4 ?% ~
accomplished.# R" x9 Q8 \/ @! P. A |
FINAL CONTROLLER- The controller providing
: b) x9 O2 a. G% ]: rinformation and final approach guidance during PAR( C9 }7 H) B1 W0 e7 h
and ASR approaches utilizing radar equipment.
L! o! N! i3 i+ Y7 ~(See RADAR APPROACH.)
1 Y1 r2 Y+ s' `/ d; OFINAL GUARD SERVICE- A value added service
" g L0 U8 K+ l2 \! O/ a& s) Cprovided in conjunction with LAA/RAA only during- l1 K5 w7 X+ H% x9 t
periods of significant and fast changing weather
' D1 {/ x" g; xconditions that may affect landing and takeoff
& M5 \& q& D1 r' U! B6 S$ Loperations.2 e* c3 T# l& Y5 V4 d
FINAL MONITOR AID- A high resolution color
- W2 s6 V5 v, p" c+ u Z ldisplay that is equipped with the controller alert% J9 j: u6 u5 Y& j/ C
system hardware/software which is used in the
9 j8 _' B9 Z' xprecision runway monitor (PRM) system. The
1 G b% B. t0 V1 T2 O2 `! s- udisplay includes alert algorithms providing the target) L, c' D9 T8 \+ I" e
predictors, a color change alert when a target
7 v. \* }7 x% Kpenetrates or is predicted to penetrate the no/ w! @+ [! m+ n# G! q# I$ }4 T2 d
transgression zone (NTZ), a color change alert if the5 M- [7 t+ C+ }; O: d1 U7 o: `
aircraft transponder becomes inoperative, synthe‐
& p" d# m: u( @6 a- N) @sized voice alerts, digital mapping, and like features% B( Y8 H3 A& }9 x
contained in the PRM system.2 k8 G% g5 W1 z1 o5 [; h8 K, q
(See RADAR APPROACH.)- ?/ _2 \0 V/ B8 F
FINAL MONITOR CONTROLLER- Air Traffic' E* u0 m! d) k7 L A
Control Specialist assigned to radar monitor the
7 {' a0 @. `4 A9 r4 v( @flight path of aircraft during simultaneous parallel$ I# n W# |, n1 T; t0 S& N6 w0 t
and simultaneous close parallel ILS approach# h; H0 c+ W. Q/ P9 w
operations. Each runway is assigned a final monitor! [7 O B; J7 T) j4 f5 Q
controller during simultaneous parallel and simulta‐+ B! ], s$ D9 j5 s, V' D9 B
neous close parallel ILS approaches. Final monitor
/ V- Y) z- p2 C# J0 u( R- F% mcontrollers shall utilize the Precision Runway, J: {+ v3 Z* l% f0 I E9 b, }
Monitor (PRM) system during simultaneous close$ T% k9 |; W1 x9 P% t. K4 u# Y
parallel ILS approaches.9 Q- _, `1 `; q X% ^; @
FIR(See FLIGHT INFORMATION REGION.) _% x# B! L: a3 Q, ^3 U
FIRST TIER CENTER- The ARTCC immediately
" s% S) x! }+ a6 P. {adjacent to the impacted center.
' c# {$ z7 e6 M3 |8 ^4 z- PFIX- A geographical position determined by visual, u9 u4 D4 i3 t; _% T
reference to the surface, by reference to one or more
% A$ _2 \$ e8 Hradio NAVAIDs, by celestial plotting, or by another
2 e- _( G- K. O r: Anavigational device.
. b8 J7 w8 `2 q* X# hFIX BALANCING- A process whereby aircraft are6 k) X: J$ s1 N
evenly distributed over several available arrival fixes
: ]2 C0 i& o1 d) i Q) Breducing delays and controller workload." {; {8 j) V, M# I6 I9 y9 B) j
FLAG- A warning device incorporated in certain) D8 a+ N' B$ Q$ U$ [5 Q# x$ `: b7 G
airborne navigation and flight instruments indicating8 H! X( q, G- k+ J5 k% d9 L
that:
z V# ?% c4 Y2 P+ g ^( z) Va. Instruments are inoperative or otherwise not I0 T. |& _+ Z# R ?& G- H
operating satisfactorily, or
: H0 N5 n; `( L7 p6 q- t' pb. Signal strength or quality of the received signal/ Y5 n' P, v# K* o( N% ?4 q
falls below acceptable values.
9 |' T& ^: S/ w* ]/ sFLAG ALARM(See FLAG.)9 i: d" P) u" N
FLAMEOUT- An emergency condition caused by a
, a5 e$ c& n/ b( e0 n7 {9 s% eloss of engine power.
: \% h# \1 o! v3 j3 P [FLAMEOUT PATTERN- An approach normally2 R+ |& f& P- R6 Y
conducted by a single‐engine military aircraft
3 ~5 h# d- ~% E7 ~/ U; _experiencing loss or anticipating loss of engine3 E8 |: n, X) B3 t. f
Pilot/Controller Glossary 2/14/08
6 R- n# D+ e* F3 g2 LPCG F-3
- ]# k) o' C5 r2 t6 o% qpower or control. The standard overhead approach
; A3 Y1 g! b' _- R' ustarts at a relatively high altitude over a runway
4 Q) M5 T( F) t2 J- s(“high key”) followed by a continuous 180 degree+ x- u& P/ o- \7 g t6 B6 R( c/ U
turn to a high, wide position (“low key”) followed by, N1 t" L7 N9 ]2 R
a continuous 180 degree turn final. The standard0 ~+ Q5 C4 J" @( _
straight‐in pattern starts at a point that results in a% O# Q* n a7 q" _9 i0 s/ ?
straight‐in approach with a high rate of descent to the
: @: B* A# e% i, D/ X. [# erunway. Flameout approaches terminate in the type! c2 I5 R8 [5 D
approach requested by the pilot (normally fullstop).# C3 _3 ?, n* c. H0 @' g
FLIGHT CHECK- A call‐sign prefix used by FAA
: G3 \& A6 h! k7 g/ M) Qaircraft engaged in flight inspection/certification of8 e0 g. K1 a% [: u* Y
navigational aids and flight procedures. The word- A3 @. H# R9 Z+ q! L
“recorded” may be added as a suffix; e.g., “Flight, t; z$ _# `0 O8 R" P; Y3 l) F. b& H
Check 320 recorded” to indicate that an automated% d" v6 x6 A. P- j
flight inspection is in progress in terminal areas.
% Y) Z: m1 ~8 G: P) z(See FLIGHT INSPECTION.)/ y' w. r1 A& b0 n9 E0 Q: r
(Refer to AIM.)
& P$ {- k" G r! N$ \' }5 ]0 G pFLIGHT FOLLOWING(See TRAFFIC ADVISORIES.)* j7 y0 X5 s# U) i6 l& m2 B/ Y
FLIGHT INFORMATION REGION- An airspace of
$ l4 M$ x5 `' n, x r! rdefined dimensions within which Flight Information
7 m4 j( E" U4 ~& w! B0 p9 Z4 PService and Alerting Service are provided.
, k. t7 m7 M, G Z- p! P; o3 P$ Ba. Flight Information Service. A service provided
: _6 L9 w1 R) i! N) F" y. Dfor the purpose of giving advice and information
7 H; E5 G/ k' p3 |& Auseful for the safe and efficient conduct of flights.
: O7 j& N; B4 P' Ib. Alerting Service. A service provided to notify
7 s$ V9 W0 p# l) o9 w$ Cappropriate organizations regarding aircraft in need C4 X% V4 r$ \4 c
of search and rescue aid and to assist such/ X8 S- C o) a3 t
organizations as required.' N5 Z7 v+ e, q' t! A: b. S
FLIGHT INFORMATION SERVICE- A service
9 A! ^1 d4 s# O( rprovided for the purpose of giving advice and
2 I5 v* a" d9 e$ n Xinformation useful for the safe and efficient conduct
; z; \2 Z) a/ U+ O2 M# @# j4 Q' Zof flights.( n, u8 ^$ O7 Z3 N2 e; \( K1 C
FLIGHT INSPECTION- Inflight investigation and' O, x: G5 D/ e! a
evaluation of a navigational aid to determine whether
1 X" |0 @$ e y9 @6 ^, x' \it meets established tolerances.
8 b" c# P' w/ q: S/ Z(See FLIGHT CHECK.)
2 j% W3 e2 v9 v! }9 }2 J(See NAVIGATIONAL AID.)
3 G' \9 y" k5 a5 L: yFLIGHT LEVEL- A level of constant atmospheric
$ {% |' N6 K2 ^8 V" C8 vpressure related to a reference datum of 29.92 inches
% o; o6 g& n1 ~) A" A* S3 Eof mercury. Each is stated in three digits that represent n" L% P2 {! s+ E2 m# v
hundreds of feet. For example, flight level (FL) 250
- V7 i5 ]1 N' f- |- arepresents a barometric altimeter indication of: r' I+ f$ N0 w: l$ Z4 e3 z1 \2 d! L
25,000 feet; FL 255, an indication of 25,500 feet.
6 P2 ?* \7 v" Q1 n(See ICAO term FLIGHT LEVEL.)
K7 G- R0 L, D$ A7 G1 U0 z" KFLIGHT LEVEL [ICAO]- A surface of constant5 J+ \9 {9 W6 I% I
atmospheric pressure which is related to a specific! [ A% l4 R9 A' a( k
pressure datum, 1013.2 hPa (1013.2 mb), and is$ j4 M, F# s; p
separated from other such surfaces by specific, E" k- e0 `% u
pressure intervals.( M" D, z: z" g( D' P1 b6 |
Note 1:A pressure type altimeter calibrated in
1 M5 K. L) L7 g k+ |3 k' S3 F5 Caccordance with the standard atmosphere:
# k: b* t6 r1 S: ca. When set to a QNH altimeter setting, will
! a7 d3 o+ A3 @5 eindicate altitude;
7 s# C" G- u, d) ] [3 |- v& ub. When set to a QFE altimeter setting, will
$ S! k D4 [6 \; ~' Oindicate height above the QFE reference datum;
! F+ ]" |& g! Q b8 jand
$ X1 z8 c9 T' |/ }7 T! {c. When set to a pressure of 1013.2 hPa
6 Y1 `2 ]* j4 q" u2 m Q(1013.2 mb), may be used to indicate flight levels.! @5 P6 M/ u3 _ m) N1 U- G4 N
Note 2:The terms `height' and `altitude,' used in
: R4 U( Q: X# JNote 1 above, indicate altimetric rather than
2 T6 f1 [9 ]/ Ygeometric heights and altitudes.
& Q" T( i3 C: f* w* z1 W; oFLIGHT LINE- A term used to describe the precise, j" C N! F2 s9 }9 L Q* \
movement of a civil photogrammetric aircraft along) |6 S5 |7 T1 K3 A
a predetermined course(s) at a predetermined altitude* q# Z' c, L& D0 t0 ?8 F
during the actual photographic run.
) V; [, O0 v9 c& F9 C* oFLIGHT MANAGEMENT SYSTEMS- A comput‐
$ a+ \- G7 |5 m4 ?; K* U% Ner system that uses a large data base to allow routes
I8 G7 y+ N2 F+ Dto be preprogrammed and fed into the system by
0 b: U3 f- g, ?* c* O+ wmeans of a data loader. The system is constantly I6 O1 M1 i/ E# z1 P
updated with respect to position accuracy by( k2 c. J/ Z4 H
reference to conventional navigation aids. The
& b0 @. a. z1 ~! X4 m* isophisticated program and its associated data base8 x) o: v, o2 `" `3 a% \( l h
insures that the most appropriate aids are automati‐1 ~$ T S# M/ m% G1 Q+ Z
cally selected during the information update cycle.
' Y0 s6 j0 S- E0 W" t' iFLIGHT MANAGEMENT SYSTEM PROCE‐
; K) V$ q' d/ M# T' o: bDURE- An arrival, departure, or approach procedure
# A2 u3 }' ~) b% a- @developed for use by aircraft with a slant (/) E or slant. U* X4 C9 Z' `- k* @- K( p( s
(/) F equipment suffix.: N/ v2 C7 w' W/ W
FLIGHT PATH- A line, course, or track along which
/ `2 H |' h9 C( j8 I9 ?2 r; Xan aircraft is flying or intended to be flown.
* U0 \9 j7 s/ l(See COURSE.)+ }6 N) i, v1 D7 ?7 f
(See TRACK.)( V- o6 |. l7 g7 k/ I; }. K' S6 `
FLIGHT PLAN- Specified information relating to
& x8 s8 f* A+ r" T, {3 b" {' H" sthe intended flight of an aircraft that is filed orally or
: a# z( e. ]1 c! H# o t1 O8 o8 _8 Z7 ein writing with an FSS or an ATC facility./ f' f3 E, [# w5 r: t0 W- _0 {& ^
(See FAST FILE.)
2 d' C* `! a9 f" C$ q! l(See FILED.)9 r: F# s+ n+ P& a- M1 C
(Refer to AIM.)2 T9 U+ [3 W) |
FLIGHT PLAN AREA- The geographical area/ v; K- L' t, v3 G0 |* J
assigned by regional air traffic divisions to a flight
9 X6 Q5 h! v" I. i5 `- k% Q/ G: ]! qservice station for the purpose of search and rescue
; C3 K' a ` L9 V+ {$ R/ p0 y$ J. S2 lfor VFR aircraft, issuance of NOTAMs, pilot( p% F$ ~) T9 L% ]8 Z
briefing, in‐flight services, broadcast, emergency i- ~$ a! C7 e7 P& \5 s5 B
services, flight data processing, international opera‐5 _+ [0 r# K8 J
tions, and aviation weather services. Three letter
. L* O. h# G9 u) Y4 j% ePilot/Controller Glossary 2/14/08
# q V+ @. H; g' Q5 S; uPCG F-4
# f- q. B( K; U- @4 tidentifiers are assigned to every flight service station C. _0 }" L4 I5 O
and are annotated in AFDs and FAAO JO 7350.8,
8 G* v; ^6 b; \% rLOCATION IDENTIFIERS, as tie‐in facilities.
% q5 a" K8 H7 @* j9 ]3 b' u(See FAST FILE.)
) L: }# n9 N5 P7 z; J0 z/ i(See FILED.)" _7 q1 a+ C2 ~8 h% `& L |2 H" W' A: B
(Refer to AIM.); a5 ^8 L2 |) s9 S( l3 Z& [
FLIGHT RECORDER- A general term applied to; Z4 Z' W. P! B% [7 w9 ] W/ B+ P
any instrument or device that records information, y% n3 J( B3 Q9 u" B
about the performance of an aircraft in flight or about, e% v e) e8 H3 r9 S
conditions encountered in flight. Flight recorders) e1 ~- | q Q5 R( Z1 Q
may make records of airspeed, outside air
. d' i% O) R! T9 p8 j0 [, i1 ?" Btemperature, vertical acceleration, engine RPM,
6 S3 ?+ S; j) G6 E9 {+ j. ^manifold pressure, and other pertinent variables for a H7 l- W8 k2 e+ N, j" z# S! t' L6 A6 S
given flight.
Z3 x$ t1 V" i6 A& t) h(See ICAO term FLIGHT RECORDER.), G6 R% G/ Q+ r! F+ |
FLIGHT RECORDER [ICAO]- Any type of
7 ], a2 z9 W) `recorder installed in the aircraft for the purpose of( T8 {& V$ `( N+ x5 ^
complementing accident/incident investigation.
m& Y, h* X5 W! i+ c4 N* QNote:See Annex 6 Part I, for specifications relating
! ]# h* k3 D6 n: a: `to flight recorders.
6 J, i7 m1 s7 W" f5 a* \FLIGHT SERVICE STATION- Air traffic facilities
8 ]1 C2 d+ R) U/ i$ S' z6 E+ wwhich provide pilot briefing, en route communica‐& m& f! i( H5 J
tions and VFR search and rescue services, assist lost- T" o& P, }4 q* a3 @' I
aircraft and aircraft in emergency situations, relay1 v3 U( i; G+ L( z, }
ATC clearances, originate Notices to Airmen,* a& @) p# W. j8 c( q) B1 L
broadcast aviation weather and NAS information,# u# C) }' z' e
and receive and process IFR flight plans. In addition,
7 T# X6 G+ A7 Iat selected locations, FSSs provide En Route Flight
5 y8 J6 t( o0 g& X7 Q5 uAdvisory Service (Flight Watch), issue airport
* n" n0 l& M$ jadvisories, and advise Customs and Immigration of
3 ~4 c+ z4 W$ l6 q5 Q9 O7 ~2 N5 Mtransborder flights. Selected Flight Service Stations
$ g9 ?: e& A9 r0 q: qin Alaska also provide TWEB recordings and take
$ S# Y8 t. d9 C& W* kweather observations.3 R. S5 i/ w7 h, y' j5 a; {3 Q
(Refer to AIM.)
' A1 D$ s, D& u/ Y/ i8 Y6 wFLIGHT STANDARDS DISTRICT OFFICE- An
3 e, }% d3 k( l c- L# Z6 d9 gFAA field office serving an assigned geographical
" N% q M/ _+ @/ iarea and staffed with Flight Standards personnel who
( M- o/ c9 R; ~1 C2 ~serve the aviation industry and the general public on
' a- p+ M3 z6 K* E- jmatters relating to the certification and operation of
6 D: S1 P' @5 l* B, S# _air carrier and general aviation aircraft. Activities
5 ]; x8 Y+ l S* z2 q4 A9 L2 r# iinclude general surveillance of operational safety,! K; |7 J' S* m
certification of airmen and aircraft, accident$ o1 ~% t y& }1 z& m0 S0 B
prevention, investigation, enforcement, etc.
, N$ }# T9 b+ P) {FLIGHT TEST- A flight for the purpose of:& n4 V2 w5 d6 d# P; b7 i& Y# z
a. Investigating the operation/flight characteris‐
2 G9 f7 c$ i) M4 Z1 Btics of an aircraft or aircraft component.
- U0 A$ u' U6 p8 l% Y3 G; hb. Evaluating an applicant for a pilot certificate or- b( u$ h) B9 p
rating.# w$ V" {- @1 Y/ x0 z/ J! N, A
FLIGHT VISIBILITY(See VISIBILITY.)* @3 `# y. t/ ]5 x
FLIGHT WATCH- A shortened term for use in
, A# K: e7 {# T. y" ]air‐ground contacts to identify the flight service
3 f1 x1 ~9 }- @# ostation providing En Route Flight Advisory Service;
8 N& s1 p, Q% e+ B! le.g., “Oakland Flight Watch.”
4 v6 K9 A& N0 y(See EN ROUTE FLIGHT ADVISORY
1 Z, H; c% l& N1 ?4 i5 VSERVICE.)
. L9 p& x0 ^6 n2 [' ~: j2 vFLIP(See DOD FLIP.)
5 Y3 Q- `, H7 u$ F( j, X4 h3 ~FLY HEADING (DEGREES)- Informs the pilot of) [+ \8 q/ M7 L% c) `
the heading he/she should fly. The pilot may have to
& r0 d1 I4 ]3 V/ s1 pturn to, or continue on, a specific compass direction( S+ B, q" t$ m7 M7 O9 `: F
in order to comply with the instructions. The pilot is* [& m- O% h/ B& \) ?
expected to turn in the shorter direction to the heading
( o/ Y+ V% {9 [; R6 Y, b( {unless otherwise instructed by ATC.8 P( Y& U. v1 C3 d
FLY‐BY WAYPOINT- A fly‐by waypoint requires
* N1 ~: z$ X8 ^% `, _0 A2 x2 V7 mthe use of turn anticipation to avoid overshoot of the1 a! n( O. m/ R+ W5 E
next flight segment.- c% H6 N( X8 N" J
FLY‐OVER WAYPOINT- A fly‐over waypoint
% K$ P( F% X# ^; mprecludes any turn until the waypoint is overflown" Q- {/ a. q+ @7 d6 k6 |
and is followed by an intercept maneuver of the next2 O5 g1 w* o$ }
flight segment.
! X, |0 z+ K7 o% I/ YFMA(See FINAL MONITOR AID.)
" m, j5 d: \6 H/ WFMS(See FLIGHT MANAGEMENT SYSTEM.), p% W4 F5 I- o+ M: |5 o4 C: V
FMSP(See FLIGHT MANAGEMENT SYSTEM/ U2 X/ o R3 f/ L
PROCEDURE.); a: S8 a1 Z* h( [
FORMATION FLIGHT- More than one aircraft
/ P: W' B: H" u) p" s' V' Mwhich, by prior arrangement between the pilots,
; H7 G2 |/ F& K# Z4 c5 uoperate as a single aircraft with regard to navigation
( ?( j, E8 g7 ]4 M- D. Zand position reporting. Separation between aircraft
' u7 r( ]+ [- D' @. j- ]within the formation is the responsibility of the flight' [/ t0 ^0 W' U9 r8 T" [! e
leader and the pilots of the other aircraft in the flight.
- @6 S: T* X i# n5 X+ V) qThis includes transition periods when aircraft within$ E6 N0 Z1 W6 b# [+ p! @
the formation are maneuvering to attain separation; P- | ~, Z4 [. ?1 \
from each other to effect individual control and
0 |0 p: C/ P( f# R9 I" {during join‐up and breakaway.3 O4 S5 b" I0 i7 r: V: Y/ D& c8 A
a. A standard form ation is one in which a* w K: [" H4 U1 X. S. m. m
proximity of no more than 1 mile laterally or7 L5 r" b& K0 J) J" _
longitudinally and within 100 feet vertically from the
0 _$ L1 E5 b' B, d5 i7 ]" Xflight leader is maintained by each wingman.; }4 c- r" M8 h
b. Nonstandard formations are those operating' ~1 j/ D _, @8 h2 X; K
under any of the following conditions:( I$ H" ~2 B& _1 [- x
Pilot/Controller Glossary 2/14/08
/ E+ p0 I$ B; X3 g4 L6 DPCG F-53 O4 e6 C4 O& L" g" |2 d
1. When the flight leader has requested and ATC
' K3 `. a7 b K0 R1 N5 G# `/ r4 vhas approved other than standard form ation
. N8 ~) {# e1 Z5 Vdimensions.4 I7 \% \" S+ x% ]+ a2 {& i
2. When operating within an authorized altitude; [1 H+ W1 z0 s) z4 W/ a6 F: h
reservation (ALTRV) or under the provisions of a
2 d% J/ z: }8 j7 Wletter of agreement.$ E E2 S7 X! I; X; U8 o
3. When the operations are conducted in
5 _. A1 G7 a) ]/ X' e5 e+ Pairspace specifically designed for a special activity., X0 C: X& W! b5 m
(See ALTITUDE RESERVATION.)& g( \ Y! ~* `5 z( m/ t- {
(Refer to 14 CFR Part 91.)
) r$ S4 v8 w$ K; c) ?/ l v: nFRC(See REQUEST FULL ROUTE CLEARANCE.)
4 R' ^: Z6 g( zFREEZE/FROZEN- Terms used in referring to
8 A/ ~6 n$ f9 f- i) V% P5 Z+ B% warrivals which have been assigned ACLTs and to the9 W9 Y, M1 \# I7 Z" |! `2 h$ |
lists in which they are displayed.
7 B: C' @( |9 VFREEZE CALCULATED LANDING TIME- A# k. x/ G# c0 j9 z0 n1 ~; E
dynamic parameter number of minutes prior to the2 Q, `2 e+ `/ p4 o/ n S6 I# Y
meter fix calculated time of arrival for each aircraft, n- y( k& r' p: d5 \
when the TCLT is frozen and becomes an ACLT (i.e.,
0 K* {. K- _; e+ S7 ]5 g3 D0 Uthe VTA is updated and consequently the TCLT is
2 ? r7 Y" H* i& E' u" Jmodified as appropriate until FCLT minutes prior to- {" O! a, R8 h# P
meter fix calculated time of arrival, at which time: A! ~. Q5 _, K
updating is suspended and an ACLT and a frozen
7 O/ q ^1 f7 R" ~; Dmeter fix crossing time (MFT) is assigned).
* O7 H Z$ B) }4 l. L( W0 b- JFREEZE HORIZON- The time or point at which an' \2 Z* G k- g: t& y
aircraft's STA becomes fixed and no longer fluctuates* e3 U& a1 ]8 E2 p. ?7 d
with each radar update. This setting insures a constant
! Z7 Y1 @$ H* N1 q0 K$ p3 otime for each aircraft, necessary for the metering8 T2 q& f5 x8 u4 E- @- y2 s O A
controller to plan his/her delay technique. This6 J' ~+ M" l: U, R" b4 `
setting can be either in distance from the meter fix or
" w6 ~# i5 ~* V5 g/ `a prescribed flying time to the meter fix.
* I" j) e: g& Z6 t `FREEZE SPEED PARAMETER- A speed adapted7 U) G: B n3 m* Z3 N# b
for each aircraft to determine fast and slow aircraft.& G# [9 T+ ^# m/ O( c7 L9 e
Fast aircraft freeze on parameter FCLT and slow
9 h' o b0 b- E. w# s; Oaircraft freeze on parameter MLDI.
9 j+ v9 \. c" l) uFRICTION MEASUREMENT- A measurement of
C4 U( x) [& n8 i/ c3 ]the friction characteristics of the runway pavement
% q8 i+ U4 N3 S3 }$ Z# g5 osurface using continuous self‐watering friction: q8 S% E* M* J+ v/ h1 |0 g
measurement equipment in accordance with the
8 e& c/ |- M( R5 s8 vspecifications, procedures and schedules contained6 J! ?! B4 m$ c& d
in AC 150/5320-12, Measurement, Construction,9 O7 Z: n. G! f& p
and Maintenance of Skid Resistant Airport Pavement
; e+ L) E, T. f: KSurfaces.% t) n0 g! o6 M) @" \$ ~4 M% `
FSDO(See FLIGHT STANDARDS DISTRICT OFFICE.)5 H% N$ E9 H7 n+ A$ X; X" p4 {
FSPD(See FREEZE SPEED PARAMETER.)% P( X" ]- G) s7 P K
FSS(See FLIGHT SERVICE STATION.)3 I5 t. H& t* S- t
FUEL DUMPING- Airborne release of usable fuel." J: L; g2 b. C0 _2 m1 ~5 ^% R
This does not include the dropping of fuel tanks.+ {( r, Y9 q+ K% z
(See JETTISONING OF EXTERNAL STORES.)
; g$ p8 B0 E# k4 i* ^FUEL REMAINING- A phrase used by either pilots* z, [ z$ f" K2 ~7 m. C9 L4 t
or controllers when relating to the fuel remaining on) Q" ~: A4 G6 @
board until actual fuel exhaustion. When transmitting. M" \+ t0 B6 a( _
such information in response to either a controller
! Z" |0 I! D$ T ?$ A7 k- Aquestion or pilot initiated cautionary advisory to air6 x, Y' S$ a, A- h/ a N H! b
traffic control, pilots will state the APPROXIMATE
; F; H) j4 j, J# lNUMBER OF MINUTES the flight can continue, ] y' z, h- V9 C# ?3 ?) j1 {8 l; b
with the fuel remaining. All reserve fuel SHOULD
+ J# w# K3 s8 uBE INCLUDED in the time stated, as should an+ [6 ?4 \5 f. H+ E
allowance for established fuel gauge system error.
8 m* W6 x1 L k: JFUEL SIPHONING- Unintentional release of fuel
3 Y- F6 P `4 J; zcaused by overflow, puncture, loose cap, etc.; @1 e: s; D) [# O; X
FUEL VENTING(See FUEL SIPHONING.)
# n# f$ a, q* A" I' N1 r% H" `: ?+ BPilot/Controller Glossary 2/14/08- M( {; D* x8 F$ H1 |; d
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