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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 ' x6 ?0 S3 r. o A TRANSCEIVERS A device that receives and transmits : D3 D' n5 l6 [$ J6 l6 o$ [6 E* NTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time ' [8 _2 L/ D: E; ^, Z+ i+ u9 Q TRANSMIT To radiate RF energy 8 ]3 I' I' x/ b* c/ I$ i9 b- P1 tTRANSMITTER A device that transmits 7 ]$ n `$ h& w- Z: MTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. i0 v% e3 ?5 U4 V9 m TRANSPONDER Transmitter-Responder ) ^( K5 u, t. e TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. # v9 V. Q9 z2 h4 _/ Y TRE Type Rating Examiner i( |3 L$ b9 e+ C. c( g1 { TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 6 Y" N* C- X- y NTRI Type Rating Instructor , ?; [) c5 M1 @# X2 yTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. " j# \% k; o6 ?( y+ E0 v, `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. ; ~ @6 k {1 \9 K TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 3 c4 s$ \% j9 w TRK Track $ y& `- r4 s1 O7 J6 {; _' nTRN Terrain Referenced Navigation; . L6 Y7 ?2 Y3 a* I/ M! R: p. y$ q TRN-INS TRN with INS + v2 c, m. n. y' O8 RTRTO Type Rating Training Organization ; u- e0 K- q" T s TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; , d) M- d2 s$ L( `" Q: |TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. ( `/ {* k6 c; M0 @0 v) D, S TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. / D5 @! \" P: ]5 E, L: o TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 4 e6 h& x( u8 B9 p8 h3 y8 W TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; . n m* a/ z( T9 f% V7 l# X TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; : t: C' H0 {5 I5 a9 h+ I$ V* ?$ _) PTSC Total Time Since CORE 7 x7 A) k2 e+ x% ~+ n, Y3 Z) x9 e TSMO Time since major overhaul ) p% G0 k" o4 A, ?$ U$ j TSN Time Since New (also TTSN) . `$ A3 O s; W7 y, e0 mTSO Technical Standard Order ! w9 A! \( e5 `4 X7 {9 yTT Total Time Airframe " W! l; z$ l2 U& D& B TTG, TTS OR TTW Time to go, time to station, time to waypoint. 9 I- y" o2 x4 U: u9 |3 _) QTUBA a jamming device for Freya radar operating in the 70-200 MHz range 4 ]) S( t {+ b" iTUNE To set the operating frequency or channel for a device 1 k* E# _1 X8 }7 j; [+ U- w" [TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. . q! F0 \ e1 uTURBOJET 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 P9 k6 Y2 s$ I* S TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 6 j- f$ h' X" d; h8 g TURBULENCE 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. 0 L+ l1 k, r& T. y" T* w3 S7 \! ~/ JTWR Tower (Control Tower) ' d- f) _9 D, i, f; }" Q 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... ( U, M+ p4 P0 j# G! Y( U+ m U Airspace Euro control project Class U (unknown traffic) ( ^6 ?+ N1 L& [5 L U/S unserviceable : t) C; }( F6 y+ {/ N: p0 S U/V ADF UHF/VHF Automatic Direction Finding 9 {: y' G7 e! n0 T$ S) NUAT Universal Access Transceiver 6 p L# f4 a$ x, f; y( y# P9 @# c UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle ! O* k- L6 W2 q7 _+ N UFN Until Further Notice 3 m% Q( m0 o, a2 |+ m) u5 r# A: BUFO Unidentified Flying Object * F4 N p: c: }* P& | UUHF Ultra High Frequencies (300 MHz-30 GHz) , G! I" i/ G8 K& | W+ Y' W$ T. x UHF/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; % v. S) C6 p2 ^ T UL Ultra light, Ultra-l©ger motoris© ! x" p3 y1 e# @% Y6 ?' wULM Ultra light, Ultra-l©ger motoris© 0 o0 T3 U- C2 ]8 n$ C ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ; a2 G/ a: `+ i0 s. t# q0 i& k UMAS Unmanaged Air Space (Euro control Definition) ( o. v- d" r. o' e d0 K$ T 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... ( D- G3 |5 b; U$ RUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. - Q9 W8 c8 N* z4 \: C; G0 FUNIT 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 ... 1 y, }; c8 e1 I X" `; u ` O# AUNIT 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... & s7 K; L: t E UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 1 j' e- H3 K/ r% Y0 ]4 P9 ~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... + l8 A D- h' J3 r: ]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... % W& e! I8 `' X. a# C' QUNITED 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... ; R0 Q0 Y$ ?/ u9 e2 r UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. . d/ {3 ?8 v& k# XUNITS A standard quantity, such as ft or mi; Synonyms: dimension; 9 ]* @ S, g9 A1 m+ Z, o 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; , q4 w1 K+ F/ j7 U2 ]: p" d 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... ; J2 [) G; u. a* P w/ s MUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid 7 I1 j: @6 n6 S7 f URB User Relations Bureau (CFMU) $ _4 |4 k) i& L6 c- eUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon . [. S# W4 _0 @: N1 d5 f% w/ z5 u USAF US Air Force $ }2 C- H! F% g3 j$ ^0 gUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight . T' X* X+ Q& n' v5 C2 oUSG (AL) US-Gallon (3.78 Liter) : M8 |9 n+ {8 NUTC Universal Coordinated Time. ' Q# F ?, e6 D* F, ZUTM Universal Transverse Mercator ! x9 T% b7 _, H' k! Z+ i/ HV 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. % W" G5 Q9 H1 ]% ^! T! AV (Y) Speed for best rate of climb. & Z5 m0 a8 N: T; `1 R7 I' h' fV1 speed for best angle of climb. ; k* l" g$ {6 EVA Maneuvering Speed (max. structural speed allowed for full control deflection) ; x4 c2 R% |6 t* Q VAC Volts alternating current. ( X7 ? c% H9 Q( m, ? VAL Visual Approach and Landing (Chart) 1 y. c1 Y$ ]( xVAR Variation 4 M' A: }; ]6 s/ A* o) QVASI Visual Approach Slope Indicator 2 I9 w: y3 x4 L8 iVAT Value Added Tax : I r% T2 L) e5 v& ?4 c. j VB design speed for maximum gust intensity. : {! M* n3 M2 H0 ?. d! S1 t; F0 _ VC design cruising speed. ; X2 F6 T+ a0 i! h) H9 h8 H VD Max. Dive Speed (for certification only) ' {$ E0 @) c0 n& h' v% F VDB VHF Data Broadcast 5 z9 k" Y* c. j5 G( B" q9 V VDC Volts direct current. & {0 K6 d- Z0 QVDF demonstrated flight diving speed. + _9 Y( ?9 S4 E" @) V VDL VHF Data Link (-n = type n) # s. ~* ~4 D8 gVEF the speed at which the critical engine is assumed to fail during takeoff. 5 P- z/ x- l- B/ a; {+ f) o9 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... 2 O4 U) i9 I( V 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. J$ b- \3 e/ T VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; , {3 O7 |+ t8 e VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; 3 }* M, R5 L2 f/ n" A* R) { VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; " Z& h/ S$ ?0 pVENTRAL 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 ... / M; u' P: k* y7 p: IVERT SPD Vertical speed hold 2 G# D( t! ]6 _( h! _VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 3 ~4 [+ o% B$ k5 Y( D- k9 xVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; d# R! ~1 u$ n VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 6 w, u; [. m' `1 u) {: l+ U) d) OVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 9 o* x' l) [2 R+ x+ qVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; $ s2 h& m; C4 }& b- \4 oVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. " \& f7 i3 U3 X u6 R* h VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; * A2 ?1 X2 a- J8 V* h- mVF design flap speed. 5 ^5 F- E3 v1 ?2 K2 @# ZVFE Max. Flaps Extended Speed : O" q; ~# t: ?VFR Visual Flight Rules ("good" weather operations rules) 3 g; R {( i& P3 _+ o, wVFR 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... ! U5 Z( Q1 `2 U$ ] VH maximum speed in level flight with maximum continuous power. / M6 @0 P( E* ?7 n$ N: T2 Z/ MVHF Very High Frequency radio equipment. % t% r% M7 v, p 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... : }0 {' d/ Z3 c6 x" P) r! }5 T9 tVILLAGE 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... 2 Q: `5 G8 q. _' R1 _: q2 lCVFR Controlled VFR (still existing in some countries) - e3 z( f8 P! v9 tCVR Cockpit Voice Recorder 0 s% n1 ]3 G( j/ k( ? CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 0 M3 @0 ~6 C/ k) O1 s3 x5 h7 S5 ] CYCLIC See: longitudinal cyclic, lateral cyclic; ' G6 q% V- [# [, Z$ M/ b M. P9 ~D Airspace ICAO Class D & B* d: a, a+ mD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) * T# q4 x+ Q, Z( A8 u6 l& v& [7 dVISUAL 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... # T+ A: n, o$ M1 T( k VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. ' ]) D6 m7 O# ^% h3 J) K0 F VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) $ Y K v- n/ L- r! RVLA Very Light Aircraft (Aircraft certification category) . s$ E, _- s; x% V3 HVLE Max. Landing Gear Extended Speed 1 X7 @/ G& r# [VLF Very Low Frequency radio equipment $ }* j5 R" x& Y0 K) F% oVLO Max. Landing Gear Operation Speed * O' ~- c0 R& V8 w& M- x7 i VLOF lift-off speed. - {& L7 K9 B: O! ~ cVMC Visual Meteo Conditions ("good" weather for VFR or IFR) 5 }; i0 _% A! Z, Q$ ^ VMO maximum operating limit speed. & k6 v. M& W! \& BVMU minimum unstick speed. 5 p) M* S, H) z/ B3 q1 k VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. , J; \& n1 ]5 A% A* v9 i/ k/ D VNE Never Exceed Speed 7 ]' _# {% H# iVNO Max. Structural Cruising Speed 1 ?+ }6 m+ z6 V# ]# G9 N! V: i$ jVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... $ ` E4 ~; S% w4 H3 u J' wVOR/DME Vertical Navigation (GLS) - k4 p& m: }. sVORTAC VHF Omni range; , H( ^: o+ C8 V' j r# H2 j VR Rotation Speed P% Q2 B! p" _$ s- L6 G VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ' s3 _5 z" @+ D( F5 hVS0 Stalling Speed Landing Config 3 G& ^5 C3 q3 Y5 H5 b* _$ V VS1 Stalling Speed in a specified Config. u$ q% ^+ c* b+ B, H" }, S0 Z3 Y VSSE Minimum Safe Single Engine Speed $ q: L, u& r& H- w C3 ?0 d: d0 MVTOSS takeoff safety speed for Category A rotorcraft. 2 C9 x: ~/ K: K( z d VX Best Angle of Climb Speed ( t; ?! t2 P4 F M- o8 FVXSE Best Angle of Climb Speed, 1 engine inoperative 0 }: I& U1 y0 _+ R( d1 H8 r VY Best Rate of Climb Speed 5 w8 ^. T' N8 X* OVYSE Best Rate of Climb Speed, 1 engine inoperative - X, N3 d" f3 E/ G6 n& ]WA (IAOPA) World Assembly . m2 R6 _/ t2 {, b2 m WAAS GNSS wide-area augmentation system. 7 U6 |6 C; V! c% L1 Y WANGANUI Colored flares dropped on H2S to sky mark a target : e) ~2 O, T9 C. t+ h; N6 | 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 ... ( a! O) q$ a, d8 { WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; + @! d. ~0 B8 e- l9 b! o 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; ( Y! T- o+ V% d- Z/ v& g" i' UWASHOUT 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... % f5 K9 Q3 Y' SWASSERMANN German long range radar with a range of up to 190 Km. 3 ^, l! e* _, K7 {0 q. D, R* ?WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... ' h+ Y6 D( N) R- w5 f& 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 ^1 B5 ?0 |9 K8 F, {WAYPOINT APPROACH To approach a waypoint 8 ~2 L9 t$ H0 j/ v( B# W2 H 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. / `) U/ m) G* ~5 d1 D {# mWEIGHT 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... ; |; [, Q1 O6 U* K1 z WET WINGS Method for containing fuel in wings without using rubber fuel cells. 7 ^& h# f p' h! n, | WGS-84 Wide Area Augmentation System 0 r4 f; L- {. T4 p& E) h WGS72 World Geodetic Survey 1972 9 f4 X E: j! s [ WGS84 World Geodetic Survey 1984 9 N1 j; }5 `) J8 u3 w6 r p2 T* {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... + z7 m1 V! q7 s# y/ E" X WHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... " J! L( s: k4 D/ l3 L; m WHEEL 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... ; V# n7 R+ d, ^$ sWHITE BOMBS Nickname for propaganda leaflets. . F, {! |" |/ MWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft : k2 f0 b5 J7 c1 g6 n 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 " T9 d. ]! y) l) ^) HWIMS System Wide Information Management ' G/ t# M2 C( X& Y8 \ WIND BEARING Symbols: B sub W; Typical Units: rad, deg; 8 }; o2 D2 x& q- R4 e. O WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 7 g, G+ I' R6 `$ c. g7 g$ h( w$ TWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars % p. Q: [/ }- c* Y5 J6 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. & n3 ^( O& I# X6 H6 S4 HWING The main lifting surface of an airplane. 3 i5 X) J1 q0 b; k* y 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... 6 W; x c4 t- O0 f 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... 4 A& E X3 ^" ` WING ROOT The centerline of the wing, where the left and right wing panels are joined. & U) B/ N \ W' P6 P 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... / @ h/ Q. s5 a e% S$ ? WIP Work in Progress 9 X5 a: m5 Y' c5 G WMO World Meteorological Organization ' ^) g# N: N$ L7 s: L% l# } Z7 _ J WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 0 z' Z( ~$ c9 A6 SWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; / h. e) J/ R3 |& T+ p3 TWOW Weight on wheels + Y$ N- q/ O) Q8 T5 l1 oWP Waypoint & B$ _% v& G, J2 I, f9 Q3 S8 D WPT Waypoint : U9 C, k* j: l$ g! W# T* V WRAP TEST A test to send data to a device having it sent back unaltered 5 o& o5 R, e! V6 LWWII Waypoint 3 {% l2 B1 L- u% d, T$ E5 [ WX Weather }# m0 n3 V9 M/ [ WYPT Waypoint $ c8 m4 y f2 i; v2 y( BWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. + |2 q' U% y& J. V X-BAND Frequency range in which most general aviation weather radars operate. * R2 t" S* ?/ \" U X-BEAMS German radio beams used to guide their bombers to the target 7 V. J# E! J% f' r0 e XPDR Transponder. Radar-enhancement/data link box for ATC purposes. ' m B3 I m2 | B XPOND Transponder 8 n: y+ F" S8 o9 c XTK Cross track; cross track error. ( s0 [. ~$ K9 {& [0 {* S XTKD Cross track deviation 8 W; Y k8 F7 v/ s3 UXTKR Cross track deviation rate " W3 a- b6 ^$ l0 P. ~) P RXYZ 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... ) Z1 Q" q' m) e* G: i Y-BEAMS German radio beams used to guide their bombers to the target ) H6 b, {+ k$ n" c5 Q5 g0 C w Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. 7 I! @0 S# M: E1 ]8 h } 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 - _) e' t! o; M3 u& | YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 9 V% C4 p p9 o. I 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. 1 }. o7 m; ?9 C, V. S, H+ 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 ... # x4 Q! t; h! |# t) u8 y0 p3 J. gZ Infra-red identification equipment ) W+ ?: {9 l( Z3 Z* f0 bZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... 6 E, }' r, U; w; ]- zZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. " E9 } @; Y% i: F. NZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; + v1 P: _- \; W1 B/ u! GZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft * E9 E5 ~( _- p6 N2 c$ m0 U" j% k% ? ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 0 m: C6 ~4 i1 }. t% z f; YZOC Zone of confusion 7 v# T# q$ R% q, e' f7 y, T& \ ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; , Q" [* x3 |: C) G) }! q+ ~ ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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