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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 ( u( z0 c7 S, O' A+ ~0 k9 ^* WTRANSCEIVERS A device that receives and transmits 6 Y0 z: e6 f( I& Y4 v+ d# g TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time + W2 b; t2 _) F* k4 D7 M& V+ X! H TRANSMIT To radiate RF energy 9 R8 t, `0 N! n8 `TRANSMITTER A device that transmits : u) j; h! _( X/ A. N TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. $ v7 U" P. [2 q1 H! o TRANSPONDER Transmitter-Responder " x' ?% O( f+ }: ^+ w. n( W" oTRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 6 A, x/ T, v- M0 b- v) b7 v6 B TRE Type Rating Examiner 3 F) _7 Y. _. b+ i- Y( a- ~, \TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. ) Q( k8 H! s, [" M1 R; yTRI Type Rating Instructor ! o0 x% Y4 \4 g' z6 QTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. ) B: v4 j! s5 E" U; ` 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. ; n# d( K$ W: ^; l& J/ |, b. j6 x* S TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... + {; }. ^/ m F7 W6 f% P+ F2 d2 n3 ATRK Track ! c+ n+ i$ Q; m. s) @* t" n% @ TRN Terrain Referenced Navigation; . A8 i) k/ ?2 V/ l9 v TRN-INS TRN with INS - W+ V1 N" ~& X) h q TRTO Type Rating Training Organization 1 {. c; C. v% U1 lTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; / |1 M% [8 {8 U( y& j4 h1 C8 g TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. + O+ O. H( T. y$ Y: O( ], N TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. * z# f, @) t2 \9 n2 T+ I TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; " X: m' W& H) d, I6 Q( \ TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; # R2 J2 I! M, U; ~1 HTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; 7 ]- }0 `, Z' M5 ^% D TSC Total Time Since CORE 7 Y: U# j, A+ B9 r+ @ @% PTSMO Time since major overhaul 9 z0 K* O* ^0 d! x+ t" \2 nTSN Time Since New (also TTSN) + K4 g; }! H* c* [9 ~ TSO Technical Standard Order 2 P$ V' j. o) S" @4 Q" X Q2 A TT Total Time Airframe ) |5 n: \+ V# p9 ]: p5 m8 }TTG, TTS OR TTW Time to go, time to station, time to waypoint. $ ]! y6 W) u0 w2 D- \1 @( `4 uTUBA a jamming device for Freya radar operating in the 70-200 MHz range ; s& Y7 j) Y F/ t TUNE To set the operating frequency or channel for a device 2 x3 @% O" I' W: v$ v- o TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ' `$ T' r/ g( _ o& ETURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. - V0 @8 _4 N! M$ y( P& p. ?TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 2 B/ s, _; @, w2 \" o' t* f- oTURBULENCE 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. 8 J9 l* S G% a6 Q TWR Tower (Control Tower) , D) y# G0 Y0 v( s4 _" s$ ~6 a, STYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... 0 N2 ?8 F6 L9 M# \6 v8 | U, n ~ U Airspace Euro control project Class U (unknown traffic) 4 K j2 k5 H x/ _( L3 xU/S unserviceable 5 }; p# b9 e4 Y5 i$ }3 d% V# }4 G9 t3 n! Q U/V ADF UHF/VHF Automatic Direction Finding ( @0 ^9 d3 D3 H5 m UAT Universal Access Transceiver ! _8 w0 Q- j1 ^ UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle & D' G7 D) s- b& |7 f* L; y UFN Until Further Notice 9 |% s3 `: v% R; n! E% m7 x8 m UFO Unidentified Flying Object % Z! h! i. Y5 v) e/ c! ^ UHF Ultra High Frequencies (300 MHz-30 GHz) ) H% Z- q- Q. z! Y5 x9 oUHF/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; . |5 o4 H4 c& s9 `, R# NUL Ultra light, Ultra-l©ger motoris© / e4 ~" B5 {/ W t8 ~ d; e2 L5 p) jULM Ultra light, Ultra-l©ger motoris© , k1 d$ B$ z$ N! c" X9 R5 b* y4 C3 B ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 6 y$ w6 m, \9 ~; D6 O/ k8 L& F UMAS Unmanaged Air Space (Euro control Definition) , O3 R9 o4 G4 q+ w5 t/ V UNDER 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... , a. Q! o$ D2 pUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 5 Y2 j, w2 ^$ @7 F- k1 y( BUNIT 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 ... 0 _# {+ ?4 k) t' o' n, J UNIT 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... 9 h0 m* Y# y' M1 [* m) _9 ^UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; ' N( f( e2 o) }1 u, O 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... : g _+ P$ m/ W {- m8 A$ f+ ~8 h UNIT 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... 3 ~2 K9 g& ?8 Z" s0 t7 o; Y" b4 l 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... # J, s$ }) [0 q" UUNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. % Z1 i9 P! ]! k& b1 ~0 c UNITS A standard quantity, such as ft or mi; Synonyms: dimension; ! Z9 v, x( _1 o+ G 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; / R% o! Z" N. q3 ] UPDATE 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... & i1 z- R4 K' A) ]UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid % v1 Z) @; c2 OURB User Relations Bureau (CFMU) : J+ O) D I0 A" I USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon , F0 ~* {0 X$ G: i$ E( u+ T* ? USAF US Air Force , q |2 j$ X, O2 H USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight " T- B1 _" Z, `0 W3 _* o USG (AL) US-Gallon (3.78 Liter) 7 E5 M5 h' n) ^UTC Universal Coordinated Time. % ]8 u! R: h/ e& _, g6 b UTM Universal Transverse Mercator 5 v1 u. M, J* J 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. 5 w# F" u: _/ }" }6 j2 AV (Y) Speed for best rate of climb. # t& ?( Q0 s; H6 v/ k( L N V1 speed for best angle of climb. ) u/ P3 V# g4 \' o# MVA Maneuvering Speed (max. structural speed allowed for full control deflection) . M- x/ j8 e' k( J$ M* O VAC Volts alternating current. , U: V: C$ n9 e2 q' d VAL Visual Approach and Landing (Chart) 8 i5 V3 u* f( d" W VAR Variation ; W- \- m+ H. h VASI Visual Approach Slope Indicator ' }8 Y% D4 D0 I" ~9 B5 j VAT Value Added Tax : b; W+ ]: U( ?0 `8 v7 R) dVB design speed for maximum gust intensity. ) y4 K+ S' i) j8 T VC design cruising speed. ; s/ e6 @+ Y" ~' B1 X" E3 P$ tVD Max. Dive Speed (for certification only) 7 h3 I' l' a( H. C( ^0 N: N VDB VHF Data Broadcast 0 R. ?0 j9 { } n) x& c3 sVDC Volts direct current. 1 ?5 Q7 {% c& }1 s; _8 b VDF demonstrated flight diving speed. 7 T6 A, z8 |% h+ k! R1 V VDL VHF Data Link (-n = type n) 7 ~9 a/ j% }$ P$ w, L3 R+ V VEF the speed at which the critical engine is assumed to fail during takeoff. _! a3 h3 ?, q. N% M0 [+ u 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: S3 V' z& h: C, e/ d/ @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... % K) Q8 S- c+ M$ W. d VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 1 ^" ~6 a" T1 G2 N+ T0 wVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; # n( ~5 t4 e: s6 A! G0 lVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; $ O4 |0 g9 d' @4 t: B- Q+ L$ y# N6 ZVENTRAL 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 ... , f1 E" ?4 f3 C8 L" m9 Y& jVERT SPD Vertical speed hold ) \. {8 F. ?$ k5 B0 v i5 U }VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; ) A6 l8 W5 D0 x9 Z4 ~VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; $ g' m: D* w i# v+ `7 v9 sVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; ; i$ L4 N! W% @6 h$ cVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... % C+ c" `5 r6 q, H$ @$ tVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 7 r; Q1 A- b! m( A0 e( n8 P VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. $ U9 e7 d* X! d VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ; c3 q/ X6 P- K4 e, E1 W VF design flap speed. : B. @9 K' Q# ~- E VFE Max. Flaps Extended Speed . ^$ M4 z/ G3 X4 J! wVFR Visual Flight Rules ("good" weather operations rules) 6 |6 Y! |, s, ?# y7 V! l( EVFR 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... ! A: U7 u3 D; f" B1 y f VH maximum speed in level flight with maximum continuous power. 2 o( v; p/ E4 _& n! ? r1 D VHF Very High Frequency radio equipment. - ?4 `8 Y/ M) v3 U, }5 Q 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... - y, U( r u4 u& g+ hVILLAGE 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... / V$ D' v% h! I* I0 D# YCVFR Controlled VFR (still existing in some countries) 4 l- d- S$ O* j& \ z& sCVR Cockpit Voice Recorder 4 ^$ M8 [* `( j' o* q9 v) _ CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. % L, S1 Z/ W) Y3 a# BCYCLIC See: longitudinal cyclic, lateral cyclic; ( Y6 t% h( \6 n3 I6 Q& UD Airspace ICAO Class D 4 D0 Y% ?% ^! R7 s! y& ? D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 1 u1 K( p6 Y/ t. ^2 X$ ?7 V# G6 n5 u VISUAL 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... 8 D- ?' {) a$ P2 aVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. ! m+ o; p9 }+ n$ z0 r0 UVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) / L8 a {! u$ Q. x/ TVLA Very Light Aircraft (Aircraft certification category) 6 F. B+ `* p' U6 d/ BVLE Max. Landing Gear Extended Speed # i9 w1 Y0 U d6 o+ `+ h$ q+ [* S, U VLF Very Low Frequency radio equipment 5 T$ J D. y0 [1 ]+ q. J VLO Max. Landing Gear Operation Speed 5 C8 ]. y+ |- Y VLOF lift-off speed. : }& g1 z6 F: y2 {; c! X# L) [( D1 U VMC Visual Meteo Conditions ("good" weather for VFR or IFR) / ^2 I6 s9 h1 |VMO maximum operating limit speed. 4 s' P" q) Z Y/ b- IVMU minimum unstick speed. 6 C6 i1 Z: L% a) A2 P6 o) C VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. # N' m- E9 m) l! }0 v" o$ E VNE Never Exceed Speed ) ^! X7 A/ {: H+ x. B VNO Max. Structural Cruising Speed 8 j- L9 i1 H |. E$ O, T( ] VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... - R" e @* P* d. A$ h VOR/DME Vertical Navigation (GLS) ! x) f9 S1 o/ L' n VORTAC VHF Omni range; ' ?: f# b ^4 i VR Rotation Speed h2 S* Y( M2 X VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ' a- M) y, Q A4 p* J# m2 k6 R( U VS0 Stalling Speed Landing Config ' @" P3 b+ T. P9 @6 N VS1 Stalling Speed in a specified Config. 1 s ~- k5 {6 @( S$ A @( ?8 n1 m+ QVSSE Minimum Safe Single Engine Speed % o2 v; U9 d( B' AVTOSS takeoff safety speed for Category A rotorcraft. + e0 t3 @1 c. `$ Y3 _, i) {9 @ VX Best Angle of Climb Speed * }- q( x, {* AVXSE Best Angle of Climb Speed, 1 engine inoperative 5 I. E* h( K, F* dVY Best Rate of Climb Speed 0 ]; b/ {+ j4 W9 V, g VYSE Best Rate of Climb Speed, 1 engine inoperative % M8 h; U- J9 F4 D4 V; QWA (IAOPA) World Assembly 3 C) G, q7 v" P; E, m; XWAAS GNSS wide-area augmentation system. # q' E9 n, V( L( c/ zWANGANUI Colored flares dropped on H2S to sky mark a target C, W) l& C5 B) C1 \& ]4 | WARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... : ]: y) J8 N6 l' ~5 T WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ( Q0 L9 Y& c9 u( }& l* M 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; " T, r6 e& x' g5 }7 q 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... , b" S. f$ U5 W) ^WASSERMANN German long range radar with a range of up to 190 Km. - O+ {+ @6 k% Q) l- r; n; \; |+ ~ WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 7 l$ b5 `$ x7 w" _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... 8 P( h" j8 w; l' ~: B0 ^ V6 J WAYPOINT APPROACH To approach a waypoint ! e6 F. y" Z5 x0 C, d; L* cWCA 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. 8 V7 \* A& Z6 g: Y% U) B, X+ p* e9 \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... & F7 p- c& E2 \ d/ p! _$ MWET WINGS Method for containing fuel in wings without using rubber fuel cells. 7 |: M: r/ J9 X* c WGS-84 Wide Area Augmentation System . m+ Q) I1 Z2 V$ Y, AWGS72 World Geodetic Survey 1972 % w; v8 Z/ r5 y" b, ]' L% k) UWGS84 World Geodetic Survey 1984 7 r1 _( \. E' A4 e- v 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... 8 Z9 v1 _" X7 b DWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... " O. s9 {) p- y0 F% tWHEEL 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 s9 s6 r" ^4 y5 qWHITE BOMBS Nickname for propaganda leaflets. + F) j! J7 H- v WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 6 R; z+ H1 U/ y4 `" G3 Y WIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror + l+ e9 R1 C# b6 ?( MWIMS System Wide Information Management 1 |1 o2 }( p' u2 c, WWIND BEARING Symbols: B sub W; Typical Units: rad, deg; & t( b" `6 K3 `) \3 HWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; " f/ Z$ p2 ], W6 u7 S9 A WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars - c; Q$ j# a% m1 Z! U 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. , v* m8 b0 ?1 x, |* E WING The main lifting surface of an airplane. $ J( K& R+ A/ G* _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... " q5 M1 Q1 p6 D/ ]( W- PWING 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... ( h; c! R% o/ T' H WING ROOT The centerline of the wing, where the left and right wing panels are joined. 1 ]- N2 b7 b j, ` j0 [4 t9 i, N; hWINGLET 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... ! K0 V" p! ~+ j6 Q( pWIP Work in Progress 6 Y: @/ i$ S' q6 O WMO World Meteorological Organization 1 {# A" ]! i' p) vWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; . b6 p+ n1 u( w+ {+ J/ k( D WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 1 T4 }& l4 u. T4 y7 ~; f* rWOW Weight on wheels 9 f" S; B r7 o3 y WP Waypoint # D/ n0 Z5 T5 _ WPT Waypoint / o6 G3 B1 z: e$ A9 g& O% zWRAP TEST A test to send data to a device having it sent back unaltered 3 b7 J3 ~4 `* @- g# D9 IWWII Waypoint 6 K& R) Y; x6 s6 Y) L, o1 ]: aWX Weather : k+ }. y+ M# f2 O9 t2 sWYPT Waypoint 0 g7 X0 K: t( @ WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. % E# I( L$ w# g) R4 g% E! Y6 S' J X-BAND Frequency range in which most general aviation weather radars operate. 5 P. t$ c! M2 b) m& \ X-BEAMS German radio beams used to guide their bombers to the target ) {7 l# E4 e2 u( }+ W/ e6 cXPDR Transponder. Radar-enhancement/data link box for ATC purposes. ' }; G: N8 R! ~4 F! n2 L2 G6 K& ]0 iXPOND Transponder . e- T" s# [; O6 v- y XTK Cross track; cross track error. 1 a/ r2 u0 V5 ^, l$ w" ?XTKD Cross track deviation 0 b" ~0 I5 q! U9 A/ T XTKR Cross track deviation rate 5 s; n. e I/ }5 R$ {* Z( A# B5 ~ XYZ 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... 2 F1 t: C: j/ D0 H Y-BEAMS German radio beams used to guide their bombers to the target 5 d: h) F+ L$ ]( Q& D8 q+ B Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. ' `0 N' L, R6 @) @. z0 p, M9 KY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 # q, I0 R4 Z Q9 X YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. % W9 e; y2 i4 ^1 nYAW 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. " x$ [ y9 [: `+ ZYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... n/ X# C" r1 f6 N Z Infra-red identification equipment * c& ^/ k; N: L& \$ Z" S2 [/ QZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... / B+ q% m1 t# V* v* @: i1 y1 P1 e Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. " ~3 U% z* k7 u. g9 S. DZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 5 C+ H4 R) V: `7 e7 z& a6 Z. ^% f; fZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 5 `; t/ c$ Z' U ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters $ b& r/ C7 H/ Q4 V ZOC Zone of confusion 8 o7 |* Y2 U# u7 Z1 d ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; # L$ } R* r) F5 }! i/ X ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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