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aviation terms [复制链接]

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71#
发表于 2008-12-30 03:25:32 |只看该作者
TRANSCEIVER Type Rating I3 ] l% I" O/ a2 l, H: q TRANSCEIVERS A device that receives and transmits * @9 b$ x$ N, R3 X+ v( j/ z4 [; a: |% O2 \ TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time + D# g- `. K! q% ETRANSMIT To radiate RF energy 5 X1 ]3 Y8 M, K* q9 c TRANSMITTER A device that transmits ' m0 ?6 E2 X4 x! W0 M" ^ TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. $ r; Y }" K" ^" Z9 Z: i# V: gTRANSPONDER Transmitter-Responder " R1 _0 J5 y5 p) v- C TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. + A* u. a# K2 P+ i& P) o TRE Type Rating Examiner 0 ~7 P# R( E# P# }: e8 e7 b6 FTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. ( ]1 a' P$ ?- h% M/ X% M TRI Type Rating Instructor ) |8 E+ r: V- }$ ?- a( U0 OTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. * T- E2 G& B: p' v0 U2 s2 H/ R TRIM To adjust an aircraft`s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position. 5 `& M( |" ]1 vTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 1 b. S, E" {. f1 aTRK Track 0 y1 @" w! ?/ y8 P TRN Terrain Referenced Navigation; & J" j3 K) P" E; t( u( e0 g* X TRN-INS TRN with INS * R# O4 {* V2 [& L3 {6 WTRTO Type Rating Training Organization 2 D. d* P" f0 I9 {: ]4 v* V TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; / o# Q! _+ F3 v# W3 e1 QTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. # g6 t' [" k+ c5 B. R2 K4 PTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 8 V6 G. w1 x" {4 y! N! D7 L TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; . V7 C$ C7 l; x9 { TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ( {5 V% y/ P4 c( ^4 |TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; % E6 o1 I, j8 K TSC Total Time Since CORE - m- v9 B0 l0 {3 @4 w7 {9 e TSMO Time since major overhaul 1 O: H @0 y$ W) K( CTSN Time Since New (also TTSN) # f4 G4 w4 p! i+ {, }# jTSO Technical Standard Order ' a5 h/ m/ T+ s* C: g5 C, uTT Total Time Airframe ( }* P. v2 I$ e5 }TTG, TTS OR TTW Time to go, time to station, time to waypoint. 2 F8 x% t; X( QTUBA a jamming device for Freya radar operating in the 70-200 MHz range # I0 l- X' @& y5 b1 }TUNE To set the operating frequency or channel for a device * u' l' ^0 {# r/ q% M TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. * C" m% C, `( }2 @2 y) ~ TURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. 4 m R4 u. B9 X- j7 \ TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. ' x# J' N) O- n7 T+ iTURBULENCE MODE Flight control system mode in which a "softer" response to gust upsets is programmed.

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72#
发表于 2008-12-30 03:25:39 |只看该作者
TVOR very high frequency terminal omni range station. ' ^' S2 _ f6 h7 l( G( x @& _- vTWR Tower (Control Tower) 9 ^$ b( q/ J |# q7 @8 M. M TYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... 8 D6 f" V" j" V3 x U Airspace Euro control project Class U (unknown traffic) % a4 i d' n# HU/S unserviceable , l# s% E% a/ }3 ~. F L U/V ADF UHF/VHF Automatic Direction Finding 2 D8 j4 A6 g/ H& ? [UAT Universal Access Transceiver 6 V5 \) }+ J5 r7 K4 T& oUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle , d/ \# U$ `# S( c) l' L8 N8 [2 d3 CUFN Until Further Notice * O6 X0 n B' H- B mUFO Unidentified Flying Object 0 C/ K( C# v$ D+ y0 ]: t' }/ t UHF Ultra High Frequencies (300 MHz-30 GHz) ( }$ |9 T' o! JUHF/VHF AUTOMATIC DIRECTIONFINDING (U/V ADF) An Automatic Direction Finder that determines relative bearing to a transmitter to which it is tuned, in either the UHF band or VHF band; # z3 r! D* f7 ?, c fUL Ultra light, Ultra-l©ger motoris© : ^% W. }/ R+ v! H2 `: {. K( L9 IULM Ultra light, Ultra-l©ger motoris© 6 q9 G4 `9 W: O( b" \& |4 lULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 9 ~1 U5 {2 ^7 d4 ~! _UMAS Unmanaged Air Space (Euro control Definition) F5 {8 Q' r% r% l& n+ V0 hUNDER CAMBER This means that the lower surface of the wing has a hollow curve when observed from front to back. A thin wing with a high camber will be under camber... 1 C% N, \1 Z- s$ b9 [UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. " U% f; ]2 G5 Q+ |# j- j$ NUNIT FUNCTIONS A collection of functions used as standard test cases in control systems engineering; The primary unit functions of interest in avionics are the unit ... / T {! @: l3 m0 Z, W+ c' Y5 @7 { d6 HUNIT IMPULSE A function used as a standard test case in control systems engineering; a spike of "area" one at time t = 0; Synonyms: impulse; See Also: unit functio... ! P) S* G- _' R# j3 d+ G/ @UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; , P) R$ S; _6 I$ V+ B' L UNIT RAMP A function used as a standard test case in control systems engineering; a line of slope 1 starting at zero at time t = 0; Synonyms: ramp; See Also: un... $ [3 P7 U5 x( a1 I% U6 SUNIT STEP A function used as a standard test case in control systems engineering; a step from zero to one at time t = 0; Synonyms: step; See Also: unit function... : n3 S7 S5 m6 I4 v7 n8 n3 c UNITED STATES in a geographical sense, means (1) the States, the District of Columbia, Puerto Rico, and the possessions, including the territorial waters, and (2) t... 7 T% s/ p4 ^$ u- _2 k( {' w1 W' U UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 0 ~" j$ s7 C& B4 l" CUNITS A standard quantity, such as ft or mi; Synonyms: dimension; + n" r9 D- [6 v0 n1 {* e UNIVERSAL TRANSVERSE MERCATOR(UTM) A system of fixed earth coordinates, sometimes used instead of latitude and longitude, accurate relative to others close by, such as ground troops; & c d0 p% h& M8 RUPDATE A process by which position is reset with a known better position; updates occur at the data source level or at the physical device level, depending u... 3 V5 Z: p+ I8 b; w6 T UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid p* k8 d V& S% \9 k6 JURB User Relations Bureau (CFMU) 9 U6 K1 `# F: @2 }( Z USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 9 U' o1 m: o- a+ S6 J6 _ USAF US Air Force & g0 @8 e5 u2 Y- r7 w* CUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight $ A! y! i% h# Y/ i6 Q, t* ?+ l$ J USG (AL) US-Gallon (3.78 Liter) 8 j0 e& z3 M7 Q& FUTC Universal Coordinated Time. - J0 Y q0 s3 F UTM Universal Transverse Mercator 6 L5 F2 J. c1 O7 v V Universal Time Coordinated

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73#
发表于 2008-12-30 03:25:47 |只看该作者
V (X) Speed for best angle of climb. 2 S2 p7 u! {2 UV (Y) Speed for best rate of climb. + \ k8 O7 a/ d% k$ ?3 n- L- Q V1 speed for best angle of climb. 6 r% s2 P2 N5 I. k: }VA Maneuvering Speed (max. structural speed allowed for full control deflection) ) T* F" C1 O; Z; D. i VAC Volts alternating current. ! ^% h; V& o) `1 AVAL Visual Approach and Landing (Chart) - z: S5 S1 B' U, q1 K' H3 R/ @ VAR Variation 1 p: q' j7 F7 m# E% [ VASI Visual Approach Slope Indicator # ]- I# \7 c1 e: R% e VAT Value Added Tax 5 |% z$ p3 }& v VB design speed for maximum gust intensity. 5 @# z. [ `- A1 M VC design cruising speed. * k3 }; I! {$ ~ VD Max. Dive Speed (for certification only) 9 T) W, y, C. ~: R C VDB VHF Data Broadcast " {- \- x* Y; f' p- Q' { VDC Volts direct current. ' C8 q' j4 y" B& s5 e VDF demonstrated flight diving speed. + b+ ]8 a( f0 \' z0 ~' a2 a! d VDL VHF Data Link (-n = type n) % V4 V( c# Q* b5 V+ Z9 y& X VEF the speed at which the critical engine is assumed to fail during takeoff. 7 m+ u. R7 ?: U) b' I VEHICLE/PEDESTRIAN DEVIATION(VPD) An entry or movement on an airport movement area by a vehicle operator or pedestrian that has not been authorized by air traffic control (includes air... 3 r- G/ K& W) l VELOCITY Rate of change of location, either scalar or vector, often with subscripts such as ENU or XYZ to denote the coordinate frame; time derivative of posit... 5 C# J, M, J) j4 @9 I) B VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 3 F- [& b$ h% E7 K/ U3 U. R7 bVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; 5 V6 ^; u* @- r$ D5 T6 U. ~ VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 6 m h7 Z. M1 k2 eVENTRAL FIN A small vertical surface on the bottom of the aft fuselage. Usually a long, slim triangle that is narrow at the front, and widens toward the rear. It ... 9 P! I) S/ `! N" b# h2 H7 p VERT SPD Vertical speed hold ; a/ N$ }) c; ^) ` VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; $ I; [. l1 f* n' z; _( r VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; * V) s" ?3 m5 [' |3 wVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; . ~+ j [+ ]. c/ @VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... & c1 {) j( n0 u5 k; GVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; ' D4 G7 q" [: NVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. : {+ S' u% l x3 m0 I+ c& I VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; 2 c/ j) v$ \& E- e: {- x2 I$ z, r( ZVF design flap speed. ! H5 X# H5 G2 X* @7 f" s9 lVFE Max. Flaps Extended Speed , X0 S! n1 b" I5 t% s8 W: |VFR Visual Flight Rules ("good" weather operations rules) ( H$ Q7 q4 y# b VFR OVER-THE-TOP with respect to the operation of aircraft, means the operation of an aircraft over-the-top under VFR when it is not being operated on an IFR flight pl... 6 r- @( {3 I) |- C' O9 n VH maximum speed in level flight with maximum continuous power. 7 `5 N0 I* k1 M* b: pVHF Very High Frequency radio equipment. . I0 I* d1 E+ M0 {. j) q2 s: K VHF OMNI RANGE (VOR) Equipment that determines bearing to a radio station with a VOR transmitter; VOR transmitters usually contain ILS transmitters in addition to VOR; A b... ' ?, b4 h* w/ U w: ?0 `- L0 s VILLAGE INN A gun laying radar installed in the rear-turret of some Lancaster bombers allowing blind-firing on an "illuminated" target

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74#
发表于 2008-12-30 03:26:00 |只看该作者
frequency at which the outp... 9 l1 z. \2 o. w8 c) c8 r CVFR Controlled VFR (still existing in some countries) 3 x6 d; q2 F7 C" ]- { CVR Cockpit Voice Recorder & x6 L& h, C7 @CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 7 _9 M( x( W& Y5 KCYCLIC See: longitudinal cyclic, lateral cyclic; 1 N7 w' ^! B1 Z' n) xD Airspace ICAO Class D 1 L# ~; j0 V8 c+ I. _D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 6 t, @; n- X+ X; L3 IVISUAL FLIGHT RULE (VFR) Rules that govern the procedures for conducting flight under visual conditions (VMC). The term is also used in the United States to indicate weather c... & p/ P+ A8 ^% Y" q: d- J ~2 J6 mVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 3 i+ G3 T8 D" @, cVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) ( A8 R8 ?0 s& c) J* n" GVLA Very Light Aircraft (Aircraft certification category) . Q1 g* l3 [/ C6 \; }VLE Max. Landing Gear Extended Speed ; ?- s' S5 x2 F& Y$ y# J/ ~VLF Very Low Frequency radio equipment ' N6 g0 R; D; r" I6 HVLO Max. Landing Gear Operation Speed 0 a8 R& K. ^/ B6 d7 w VLOF lift-off speed. * L; g/ b$ o! w6 b; bVMC Visual Meteo Conditions ("good" weather for VFR or IFR) : B/ k0 Z2 J2 _VMO maximum operating limit speed. . N# _5 L' d0 E8 m VMU minimum unstick speed. 8 @: K- r6 }* `VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 5 Z( B @# w. P# p3 J3 sVNE Never Exceed Speed 5 g, x% i) h2 a6 M. T$ P VNO Max. Structural Cruising Speed ) M* O4 a! _3 m; ?VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 3 X7 a; V; y1 \) i- cVOR/DME Vertical Navigation (GLS) ( h6 Z1 A; i) C- FVORTAC VHF Omni range; / D3 J7 a8 v2 c) z, XVR Rotation Speed 9 W- |7 m1 A% B E VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. * {5 M) u8 I4 y7 r* x' {VS0 Stalling Speed Landing Config 8 P- m* V4 X' a+ p5 GVS1 Stalling Speed in a specified Config. + J- ?5 I6 u( W. V" r* h3 l5 w eVSSE Minimum Safe Single Engine Speed 9 j3 \. C: _0 Y' cVTOSS takeoff safety speed for Category A rotorcraft. 1 M m r" B; V/ _" {- v( |9 w9 HVX Best Angle of Climb Speed & L4 Z$ m; C2 S1 z, B, M% IVXSE Best Angle of Climb Speed, 1 engine inoperative 6 p- h9 y! M H: q VY Best Rate of Climb Speed 0 g2 [1 A& i5 o% s: nVYSE Best Rate of Climb Speed, 1 engine inoperative ( w. [' j/ I" A+ z0 s% c+ b WA (IAOPA) World Assembly ; S; O Z( x( `7 a3 b( dWAAS GNSS wide-area augmentation system. , g8 x$ R! x: F$ h, u# kWANGANUI Colored flares dropped on H2S to sky mark a target 3 o- w% I( I( @; [7 kWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... ~* O4 p$ i6 f/ [- s6 }7 g7 z/ r WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; # T; S& G2 d4 G: Z( m1 F" j WASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; # V) Y8 I& }6 o) m+ V- g. t WASHOUT The twist in an airfoil which causes less angle of attack at the tips than the root. For airplanes, this increases stability of the aircraft at slow s... / F+ p# c; _2 A! U5 u! q WASSERMANN German long range radar with a range of up to 190 Km. # t' `: `+ @' |! q) y WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 4 E! }/ \% n8 G9 T/ v1 R WAYPOINT (WYPT) A point on the ground, predefined as a point of interest for the flight; a basic guidance mode, providing lateral guidance to a waypoint, either by co... {# ~* x. L* M: a/ \4 Z+ vWAYPOINT APPROACH To approach a waypoint 8 y9 c. N# j0 K2 P) C+ @; ? WCA Warning, Caution, Advisory

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75#
发表于 2008-12-30 03:26:08 |只看该作者
WEATHERVANE This describes the tendency to point into the wind. Stabilizers on a aircraft result in its desire to weathervane. % o# B$ S! F4 p4 J5 P6 | WEIGHT ON WHEELS (WOW) Indication of whether the aircraft has weight on its wheels, meaning airborne or on the ground; weight on wheels can be detected by a sensor on the wh... 9 k0 w# t+ `! V WET WINGS Method for containing fuel in wings without using rubber fuel cells. & `" s9 R- [. w9 R$ \, ^ WGS-84 Wide Area Augmentation System % n) t. C) c o3 X0 z7 c% o! w( fWGS72 World Geodetic Survey 1972 : N' R$ M& J+ _; ?- [WGS84 World Geodetic Survey 1984 ' ~: n w4 c6 K! h h/ t9 g WHEEL A flight control operated by turning with hands in fixed-wing aircraft, primarily to control roll (heading) via the ailerons; wheel is connected to yo... 0 ^( s+ e' c1 G y1 q1 Q( wWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... $ V7 R ?! v7 [: S5 h' \: fWHEEL PANTS The large fairings used to streamline the wheels of an aircraft that has non-retracting, or "fixed" landing gear (so-called because it`s "fixed" in pl... 8 I" {, J9 l! R! D WHITE BOMBS Nickname for propaganda leaflets. , [ N) [4 z' t( w/ t+ I WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft . [/ L$ m. r$ `4 W& l kWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror , |9 v- @% y+ e4 l0 A5 H WIMS System Wide Information Management * S0 K. v1 R" }! t; Q+ T6 u4 d WIND BEARING Symbols: B sub W; Typical Units: rad, deg; , d8 }) U- E- e# H3 v6 D8 `3 M) [6 U6 C WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 7 r8 i: u5 k5 d* P- x% {2 i: f6 }WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 6 ^1 Y6 D1 F/ h% @ WINDSOCK This can be used to describe a number of devices, all of which give a visual clue to the direction and speed of wind in a given location. % N7 {* B9 ?7 d5 i; ~5 S7 I, z, t' w WING The main lifting surface of an airplane. # Z' C _& l3 a4 C- K: ]WING FENCE Term preferred by Airbus and McDonnell-Douglas aircraft manufacturers for the vertical structures at the outside ends of the wings of some of their je... 9 d8 F; j, c0 p2 I7 ?6 T/ Q WING LOADING This is the amount of weight per square foot that has to be overcome to provide lift. It is normally expressed in ounces per square foot. This specifi... " G7 B) g$ {$ Z# E; ^WING ROOT The centerline of the wing, where the left and right wing panels are joined. 5 t. b3 K4 U1 T0 C) _WINGLET A small vertical surface at the tips of the wings. They help direct the turbulent airflow that all wings have at the tips. They makes the wings more e... 8 K' b5 x- r' i2 l* G0 n WIP Work in Progress : j; m" k: M( ?/ ]8 |! f6 A WMO World Meteorological Organization ; t' a0 b" o% {1 N* K5 Q; a4 _- \ WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; + ^) m. x3 p$ v5 _3 `% p WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; ; ~! x, ?- L* p& ?* O WOW Weight on wheels 4 B2 k9 K5 E p2 y$ z Q WP Waypoint % K1 g+ M- X- E( y WPT Waypoint 8 T/ x3 g2 N0 ?5 l& ]; ?/ OWRAP TEST A test to send data to a device having it sent back unaltered % Z6 o, Q( Z2 a WWII Waypoint ( h, \/ c1 x0 ]. I WX Weather ) P5 Z \1 E9 A( S m( r: h WYPT Waypoint 8 ]. V1 c; q$ a4 |( U4 [% w WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. ! ~( K# C+ A' k2 }* T1 ~9 [6 AX-BAND Frequency range in which most general aviation weather radars operate. : E4 O+ a- F: i5 J& X! j& uX-BEAMS German radio beams used to guide their bombers to the target & W5 {; I4 s3 n6 ? XPDR Transponder. Radar-enhancement/data link box for ATC purposes. + u% A% [/ h, I c Z8 H- g XPOND Transponder % j. W# A/ E8 b+ Z XTK Cross track; cross track error. # s5 p" G0 K9 h XTKD Cross track deviation ) q% q: r4 r7 r/ I" \ XTKR Cross track deviation rate 6 q H0 v8 p+ I& k1 eXYZ A standard aircraft coordinate frame and sign convention, where nose, right wing, and down are positive X, Y, and Z, respectively; often used as subsc... 9 C9 o9 V' ~- ~6 _, Z+ m) n8 q Y-BEAMS German radio beams used to guide their bombers to the target 9 ^& v9 |$ v% M+ d. G5 D: t Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. 3 ?& a1 q( }$ l% _- D& z Y2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 6 T* H6 Z _8 r6 |% \ YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. * Y" @! b. ^4 Y! W- g3 K# \5 E; z YAW AXIS The airplane axis controlled by the rudder. Yaw is illustrated by hanging the airplane level by a wire located at the center of gravity. Left or right...

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76#
发表于 2008-12-30 03:26:16 |只看该作者
YAW RATE The rate of movement about the vertical axis of a aircraft. 2 F) L+ d7 Y8 M* {+ t, H# w0 s! I YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... . w' ^6 Z7 I* w- N; c- vZ Infra-red identification equipment 2 S% l# n+ {$ r! J- b8 g Z TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... 1 a' W- V. N6 x8 ~6 a8 U Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. ' g3 e/ Z+ F {7 f pZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 7 V9 ^, v/ G" L! t4 A- NZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft " u1 F/ A" b+ | ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters " J) `- _7 `" f( EZOC Zone of confusion % l4 o0 O4 M _; ~9 ]( D7 P ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; % F3 B( o+ x+ B! E' K" v& ^* ^ ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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