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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 & X+ Q) @6 k- ]. v+ L! K$ \6 T( R9 WTRANSCEIVERS A device that receives and transmits % n7 Y% f' _1 x* xTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 2 Y, s; H) O; N+ D3 W% k TRANSMIT To radiate RF energy ' }3 `% [2 x- z2 `" STRANSMITTER A device that transmits 4 }& N8 b& ]1 W. W( y, ]3 Z" H7 tTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. 5 [7 L6 ^. C* q: O) y2 O TRANSPONDER Transmitter-Responder ) P7 S5 k8 s. b- e" Y+ L) N8 @& e TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. # M# Y+ E- ^2 i$ ZTRE Type Rating Examiner / i7 W& O, @9 ^* X H3 @TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 7 Q) N1 ^: P2 T) {2 h; L _TRI Type Rating Instructor ! R7 v. x, p" ], T* y+ [ TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. & m% Y2 I6 f$ C' N" ?! NTRIM To adjust an aircraft`s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position. * ?/ Q4 A8 U9 ?7 H) H. b& {TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... $ |+ f9 N& `4 y" e5 ^TRK Track ; w$ Z9 { {# s( r# O TRN Terrain Referenced Navigation; * ]% O# l) o1 lTRN-INS TRN with INS M8 ~; \# ~1 d) ?TRTO Type Rating Training Organization 7 s" R. N/ u4 NTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 4 t1 I: ~+ i, R+ D+ ` TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. + |/ g+ n/ b# a3 b) M* T2 GTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 2 x3 @& K4 V7 g6 r: w# }TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; % K& Q& A+ w+ d H4 l) }4 eTRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; " o: J$ N2 }' o$ {# l9 j& h! G6 vTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; . C& r# W: n, ?$ [( LTSC Total Time Since CORE ' |7 U; |+ l1 R8 Y" wTSMO Time since major overhaul / q+ Y2 H, f# i) g$ _3 o) UTSN Time Since New (also TTSN) % M7 t J z7 x; O6 K9 D2 u, A& N1 Z TSO Technical Standard Order 6 K2 i( F" q# ]+ \4 b/ a: Y+ [TT Total Time Airframe 6 D1 b4 x4 J* | TTG, TTS OR TTW Time to go, time to station, time to waypoint. 1 O+ J( ~0 y1 y. V6 l TUBA a jamming device for Freya radar operating in the 70-200 MHz range : P+ |" P; ?5 {7 m, i TUNE To set the operating frequency or channel for a device / N: l/ ^" |2 w ` TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ) F. ^0 r* Z- G& X9 ?4 J6 I8 e( QTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. 9 j0 C5 U$ h8 G; e2 a5 U, Y TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. ' ?% R2 `; y4 l$ ?: X! k( tTURBULENCE 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. 9 \5 a+ t! A$ p& U5 N+ ?) S4 rTWR Tower (Control Tower) : d& P' T4 K7 p- g 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... & ~0 ^% A1 M# P5 m( T+ { U Airspace Euro control project Class U (unknown traffic) ; Q$ A/ U. u: k t4 | U/S unserviceable ; L, \/ L2 o5 C2 r3 }0 K% m U/V ADF UHF/VHF Automatic Direction Finding ! t9 u7 Q4 V" a" T* Y& w UAT Universal Access Transceiver + G! u2 G$ C: L7 a8 t+ F3 t# FUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle 6 t, r; x/ j4 r/ M# M- J, } UFN Until Further Notice + X+ Q* r9 k. Z; ^7 aUFO Unidentified Flying Object * `" M/ B. a' u5 n2 M* `4 F: JUHF Ultra High Frequencies (300 MHz-30 GHz) e. q I9 h+ m# 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; 2 j9 Q; E4 j y" i6 cUL Ultra light, Ultra-l©ger motoris© " H, m4 r% _! C: y1 QULM Ultra light, Ultra-l©ger motoris© ' A9 d$ i4 a2 O" cULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 4 ?1 \) w1 N1 UUMAS Unmanaged Air Space (Euro control Definition) # ]( K" G2 b2 m/ P, b1 f 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... J7 R9 ]0 z) |1 R: ~. X- a UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. " `9 c. ]! h! a3 p* u6 E& mUNIT 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 ... 2 l' Z* d- \! T4 L8 w 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... 4 U( u0 b$ Y' R# s( s: R8 AUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 3 l/ w; D/ O7 C2 XUNIT 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... 2 v# H) | h) ^( b: F 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... " L: C- w0 I0 ?2 vUNITED 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... % I) ^5 |' z7 Q6 S# T9 p UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. & i$ P) m7 l% S0 l4 Y6 O- T UNITS A standard quantity, such as ft or mi; Synonyms: dimension; $ l" d" U( y% t: `3 R$ 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; , x/ `1 z1 _8 ^7 q7 D1 k7 V% W8 w$ ZUPDATE 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... 9 T4 }& p) w8 V! [, o+ A4 hUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid $ ]: L4 ^4 u$ u( w/ \, `8 b URB User Relations Bureau (CFMU) & F7 j% z& n" Y1 I( B. N$ R& C5 A8 V USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon : z* r- F L( w# m0 | USAF US Air Force + {3 b g7 u" S' C: ]; | USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight , J; a8 s& C+ K: [3 U% VUSG (AL) US-Gallon (3.78 Liter) i) v. D% L2 O' }3 K% cUTC Universal Coordinated Time. ! P" ]: k/ N) q! X UTM Universal Transverse Mercator - w- N, j$ ?7 `* ~& ~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. ! |4 i8 Y# a3 S+ `9 `; iV (Y) Speed for best rate of climb. 8 {, P' s% J o+ r% t$ F* [. \ V1 speed for best angle of climb. 3 D& L( ?. O; b9 g9 M9 JVA Maneuvering Speed (max. structural speed allowed for full control deflection) ! G- r& D, @4 v2 H' S( }% P* d7 V8 XVAC Volts alternating current. 1 `) b# g7 f9 u. W. E' M# s VAL Visual Approach and Landing (Chart) , w+ d) ?% I2 ~- {3 K4 r6 G. k VAR Variation / C8 c; Y/ q/ A+ h" Y VASI Visual Approach Slope Indicator ! @; X8 j' c( \( a) }5 NVAT Value Added Tax $ l M' X$ ~1 q8 _6 M VB design speed for maximum gust intensity. ! a1 ?$ ?1 f, |' KVC design cruising speed. , a; ~& w: r+ O* M# Q, ?/ BVD Max. Dive Speed (for certification only) $ l% N! Q2 _5 n VDB VHF Data Broadcast 9 c1 y% }3 I0 j VDC Volts direct current. ( E; D: [0 @8 o& p1 BVDF demonstrated flight diving speed. : A k3 H9 l+ hVDL VHF Data Link (-n = type n) # f7 z7 V* P5 z, _, ?* l! o* ?0 L* u$ PVEF the speed at which the critical engine is assumed to fail during takeoff. ; \5 R! i+ r l" ?" {( ?4 D* ^3 lVEHICLE/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... 6 Z/ U; d5 i. H |5 \3 X 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... ; V" R# n# R" _ x& }VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 4 Y$ U2 I4 p9 R$ K VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; - c" j$ Q, e: D) X2 ~8 ]$ r6 n VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 8 u& Q/ N, G' r3 U8 ]$ g- k VENTRAL 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 ... ; I2 p/ E0 z9 m, Y, }) |. jVERT SPD Vertical speed hold 6 f C/ {# v C VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 6 L* `* G9 x2 ^, V8 l2 [VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; ( a: T- ]0 x! bVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; . l9 O" _, y% v4 A2 d# B VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... |2 }5 z& u5 t8 t* P VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 2 G" C5 E# `! |9 p5 o a+ eVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. # `) F# O. W% k% ~0 N& ? VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ! k8 d& ]/ s2 M7 {( b/ Z, ~# S VF design flap speed. ( D9 {- G" R0 C' l/ t y9 z j VFE Max. Flaps Extended Speed 3 ^0 H; H$ a7 Q; zVFR Visual Flight Rules ("good" weather operations rules) I" x# i0 h; }0 z+ y6 X, vVFR 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... 1 {+ A2 f) U3 E3 U VH maximum speed in level flight with maximum continuous power. ' I' E `" r3 b% h VHF Very High Frequency radio equipment. 6 S1 }4 `3 M3 ]1 { 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... $ _! i6 M' [, A" R) `9 t 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... ) j7 {1 c1 V/ ^5 N. R% sCVFR Controlled VFR (still existing in some countries) , m+ r; I* ^; z1 P) i CVR Cockpit Voice Recorder $ r. q% K+ a. |CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. ; J x2 L, W9 Y1 o% FCYCLIC See: longitudinal cyclic, lateral cyclic; 1 _' A. [& F4 ^! f7 w D Airspace ICAO Class D $ F z0 }* W& H: b# q* _' q2 ]1 S D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) + O2 w; g0 {* i. L. YVISUAL 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... 6 V7 E+ X- @7 V) I7 b, KVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 8 R4 o& o$ }: i+ K- v VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) , P* C; L5 H) @% I! j! k VLA Very Light Aircraft (Aircraft certification category) 4 B2 Q" k% Y% { VLE Max. Landing Gear Extended Speed ! }+ i, S$ S, V# ^( ~ VLF Very Low Frequency radio equipment % A: Q# O& I# V* P" DVLO Max. Landing Gear Operation Speed " X. v8 a7 C% V; s1 g. @+ F; sVLOF lift-off speed. ; R. Z: i2 `! o+ ]/ ?, X( MVMC Visual Meteo Conditions ("good" weather for VFR or IFR) $ p, s6 `+ t! E9 b VMO maximum operating limit speed. ( g# ?0 p0 r, G" B0 tVMU minimum unstick speed. , M+ X# z5 L. I# \" j" w( g VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. . Q1 `" ^' O, t; h. CVNE Never Exceed Speed + O) _- X, a6 D M$ V3 S, g6 X VNO Max. Structural Cruising Speed & }9 s4 x4 A) N" E VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... / S9 {8 o6 o# ] Q8 BVOR/DME Vertical Navigation (GLS) & _* h3 o0 t; K: BVORTAC VHF Omni range; % q. g, h( g: O( Y$ e/ |VR Rotation Speed 4 }; ~, }6 j v6 H5 qVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 4 G( y9 u) _( P0 p& M L2 x% BVS0 Stalling Speed Landing Config ! d# p1 Q. n0 u4 f! K! f& F# _VS1 Stalling Speed in a specified Config. 2 d4 e9 w. D0 L) r$ m1 |) kVSSE Minimum Safe Single Engine Speed % x) R( y P: r8 T VTOSS takeoff safety speed for Category A rotorcraft. 6 s2 J- H/ T3 CVX Best Angle of Climb Speed & V- ?3 m# L' V+ P( p$ ?. m; J vVXSE Best Angle of Climb Speed, 1 engine inoperative % G2 C+ F' [! d% [- f0 LVY Best Rate of Climb Speed 9 f' F1 e! o% a; }3 NVYSE Best Rate of Climb Speed, 1 engine inoperative ; E0 ?! |' J9 g8 \, O WA (IAOPA) World Assembly # ]3 n @' a& f5 iWAAS GNSS wide-area augmentation system. ) Q9 T7 n8 y& r) c7 a WANGANUI Colored flares dropped on H2S to sky mark a target - N |( l' R( q# o 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 ... 1 s! d5 K0 y" t W/ T WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ; M, l9 t# w$ Q) ]9 W 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; % e3 U6 j, h) ]) X1 }7 ~7 CWASHOUT 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... ! c" V' E5 B5 `4 s: }+ d" R8 G, G, aWASSERMANN German long range radar with a range of up to 190 Km. 1 G2 L4 y: t5 wWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 8 D. s+ M% m" h6 ~$ R. k1 FWAYPOINT (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... 7 v) H4 h: {4 C- ~WAYPOINT APPROACH To approach a waypoint 3 a L- J7 [6 ^4 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. % G" B& @& |* h' `4 Y8 H4 p$ XWEIGHT 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... ( G# C. q) P' T6 y& CWET WINGS Method for containing fuel in wings without using rubber fuel cells. : N; X" f9 S; j+ Z) k WGS-84 Wide Area Augmentation System h2 b- I! D" oWGS72 World Geodetic Survey 1972 & b+ h Q1 U7 f4 a" u, pWGS84 World Geodetic Survey 1984 ( _$ n( p2 h5 T2 k. U/ i+ F 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... - ^" S# z% E& R( oWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... * F/ L2 ?' m. BWHEEL 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... 3 c$ P2 X3 O3 t; _0 U2 wWHITE BOMBS Nickname for propaganda leaflets. & d+ O) ]6 A1 Q, J* K7 Y( x- y% R# e% _$ `WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft & c% a z- q7 O! ?1 C) _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 8 e$ e$ r, @* M% r8 o WIMS System Wide Information Management 4 {' s- g4 I& R+ H9 B9 i WIND BEARING Symbols: B sub W; Typical Units: rad, deg; * {- L1 l! a& A* h: s: _) B" s WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; # q2 m1 }$ s- v1 p( E6 [. G) O3 N WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars ; x" L9 R) x7 B: M% W* c; R 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. % T7 x# w# Q3 m [+ m$ v# D; AWING The main lifting surface of an airplane. 6 E: X4 ~) j. r; w 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... & u) {, b+ F! r, V: \1 {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... " `* m+ [$ y4 ]) @$ S { WING ROOT The centerline of the wing, where the left and right wing panels are joined. $ p( q+ [) ^1 \; _7 n 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... - K) T& R+ I NWIP Work in Progress 9 |2 z( A# e( L6 _: X* g3 m( ^& I, hWMO World Meteorological Organization 0 n2 a( f+ Y9 P8 G$ rWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; $ H, n7 }7 Y) I6 z WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; & `, I- X2 G+ m% G WOW Weight on wheels ) d6 U+ |' r) r: J7 MWP Waypoint % ?- n2 `4 d+ \5 p/ P( g, rWPT Waypoint $ {! \7 A$ t. AWRAP TEST A test to send data to a device having it sent back unaltered : o3 U; M7 q3 R% rWWII Waypoint : B- M! C# e/ _4 P# g4 h WX Weather : b3 a$ L" f8 J" g WYPT Waypoint + m2 l5 `9 [( d- q. i" [1 n WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. ( u, Y9 R" `, u X-BAND Frequency range in which most general aviation weather radars operate. ) w W) v$ V$ q0 \9 l/ b; }% ?; j4 D, @ X-BEAMS German radio beams used to guide their bombers to the target + `# `% F8 N* y6 \$ {+ R XPDR Transponder. Radar-enhancement/data link box for ATC purposes. & x$ p$ f$ ~3 y+ D% R7 hXPOND Transponder 8 T, v7 [7 j' S0 d- _, BXTK Cross track; cross track error. & c9 H# n. l8 v' |# A5 [4 n" tXTKD Cross track deviation 8 c# K0 g9 j* TXTKR Cross track deviation rate 1 E, x8 Z# r/ Y( F 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... 8 \' t1 S6 M5 J+ M$ gY-BEAMS German radio beams used to guide their bombers to the target / c& q" U; ?# f! I% Z( Q( k! Z1 LY-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. # o3 }3 D9 S, e5 [* g' k$ }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 $ m; ]# D* R/ _. U% P/ e6 lYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. # F3 V& d8 o& o9 m- d3 ~ K: L 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. . `5 b' A8 A: C' S YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... & l$ o9 i+ K$ M# l( BZ Infra-red identification equipment . W$ @" c( z) g8 h' W0 U 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... 8 T1 e8 v( d, X' j$ v/ JZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. ( ?- E/ \( K, M/ O Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; ( \# R( n2 ?" } ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft / r* A7 A% r# H6 _5 _$ F4 E" z4 WZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters , P& \4 J* V4 b ZOC Zone of confusion + t& U% x5 c2 k4 Q" H% y8 H BZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 4 F% Y; O y3 X% \: U" ]ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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