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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 ( _6 L& Q/ T s2 W) o* H2 w TRANSCEIVERS A device that receives and transmits 7 a" I. R; d) x! x S3 h9 tTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 5 j$ o( c. c1 A; `4 v! ]+ x. _$ eTRANSMIT To radiate RF energy 9 T2 Y: @ w7 b* c2 _ TRANSMITTER A device that transmits # o7 r' \+ D% E2 z TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. ' L c5 c4 F1 U7 W5 J7 D0 ~2 qTRANSPONDER Transmitter-Responder 5 i% M, N9 M% g+ i) VTRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. / r1 |6 m! m/ i8 X3 zTRE Type Rating Examiner 0 [2 d9 h2 l$ j/ X# ^5 d8 J' eTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 1 Q' E0 Y; M/ L5 U4 J TRI Type Rating Instructor 1 T: o* ]7 f% @$ q& E& S3 ? TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. 9 c. ~0 \; _8 D2 s1 {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. 2 c! @4 {% C1 O5 Z, sTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... % F; e' S7 J' D$ m TRK Track ' d" Z% Z% [9 o# I Z, l% w TRN Terrain Referenced Navigation; 7 L) G& s) @6 L" d/ l9 D; c+ m! _ TRN-INS TRN with INS + K# f& V' T3 Z, D( F+ P TRTO Type Rating Training Organization 0 y; A! j3 V- w xTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 6 W2 |* t: }3 w) T+ m6 jTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. 9 U8 d/ N2 i* K* C I. W! V0 |TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. ) P9 y, {; J/ a$ N4 N1 p3 xTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 0 f* p! A1 [' Y; a9 S" ] TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; * i: W" L X' `/ u TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; 2 k8 T1 J# [& b: g8 UTSC Total Time Since CORE 6 F: y1 L7 X* z% T. z TSMO Time since major overhaul / L+ }& O/ h+ C6 e! k: \+ rTSN Time Since New (also TTSN) 2 Z& z: p1 ?1 `) L: A TSO Technical Standard Order ' R+ O. i( v3 \7 G8 HTT Total Time Airframe 3 l+ C( m9 d. a) e F8 ETTG, TTS OR TTW Time to go, time to station, time to waypoint. ; r, q0 w0 K0 {) y( Z% ` TUBA a jamming device for Freya radar operating in the 70-200 MHz range # ^* n f4 t* X3 U/ { TUNE To set the operating frequency or channel for a device 0 c3 l# b; E: n1 x( F3 oTURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 0 E3 B9 }# f5 b3 M- X$ Z( L$ `4 r7 ^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. : i$ [4 E! q P3 @# U# } {- qTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 1 l( [/ O& K3 T" e! u# cTURBULENCE 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. 4 w! K* T0 ]# V+ c( i2 {7 z8 `+ ^TWR Tower (Control Tower) % d. c M: a; U$ @- J7 X" i 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 M3 ~" o2 H) T2 H) p7 JU Airspace Euro control project Class U (unknown traffic) ( v) g Q5 X( J$ K3 ?4 C# I X4 eU/S unserviceable % {( y2 e6 A% D nU/V ADF UHF/VHF Automatic Direction Finding & W1 d% L3 ^0 s$ D0 [UAT Universal Access Transceiver 3 @* `* I' _! N2 ~4 QUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle & F' h% C* o; K% t( l- h2 IUFN Until Further Notice , A" ~7 N8 x- P$ K" yUFO Unidentified Flying Object / w3 A) z; v' YUHF Ultra High Frequencies (300 MHz-30 GHz) ( k& H; W% w; R4 z9 uUHF/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; ( r6 X% ], h1 @+ y. f# Y UL Ultra light, Ultra-l©ger motoris© + ~8 c: I# l/ c& v$ t3 m7 Y' R. LULM Ultra light, Ultra-l©ger motoris© 3 V- a* N) a/ H. \ ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... + K. M/ \2 _: }3 p0 f; { UMAS Unmanaged Air Space (Euro control Definition) ; X) l |% U/ |7 W$ ? 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... " E" r! w7 C( W1 U6 P! s7 G. {% f/ hUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. . j8 p! U9 _) k, \& l' DUNIT 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 Z& b4 I7 j9 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... 5 d/ {1 k: X/ n& P3 F7 U UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 8 V7 b+ H1 X2 a$ l7 f, YUNIT 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... " f% W/ q0 F1 r* w& \4 e' S 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... , A( @6 |, ~$ ]& w 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... 5 R( [' t) d' r% LUNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 7 \1 t- X: z- ]! cUNITS A standard quantity, such as ft or mi; Synonyms: dimension; 2 e! E/ y/ ~9 w3 f8 ~ 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, A/ e' n- h. w" e4 z0 Z7 d8 Z 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... 6 @% i7 w! A' G/ P! K UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid " y9 c9 n$ e D* F( \ URB User Relations Bureau (CFMU) / g0 c) [2 G( G9 b% X( \8 jUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon $ W! b: |* m( N( lUSAF US Air Force 1 H G1 O( ]) ?- V/ T4 d5 o USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight / I) U: d& v1 Z3 Q j% @USG (AL) US-Gallon (3.78 Liter) $ h2 y4 B% i" O# k4 ~! Z# t UTC Universal Coordinated Time. : ]' ]7 E: }, O5 H$ CUTM Universal Transverse Mercator ! T/ x5 M d, v% V: d5 a2 VV 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. * f9 k2 V$ ?2 y7 Z! { V (Y) Speed for best rate of climb. : ]# Q8 I) l/ Y V1 speed for best angle of climb. 4 h% H. _( c9 n2 c6 @/ B$ G; q4 EVA Maneuvering Speed (max. structural speed allowed for full control deflection) % X8 ~( I0 Z& ?; {, V VAC Volts alternating current. $ D4 E: k" Z' c+ ?+ gVAL Visual Approach and Landing (Chart) & m+ R9 B$ B# h& o) o VAR Variation / k& B' t7 n. q* d% z* oVASI Visual Approach Slope Indicator ! G6 y. a' ?, ~ VAT Value Added Tax 9 A* P& }# @# U3 Y# m& `% HVB design speed for maximum gust intensity. ; Y0 R) I, x" V3 t VC design cruising speed. ) T" n5 C0 ]; h$ [VD Max. Dive Speed (for certification only) : v. Z: s: X3 kVDB VHF Data Broadcast 9 q7 r, y5 O/ g; p VDC Volts direct current. 0 C6 \6 x9 w9 s# O6 c( M) N) [ VDF demonstrated flight diving speed. # Z1 o- u( M' L# ^VDL VHF Data Link (-n = type n) . E* w6 [; U6 E% E: `VEF the speed at which the critical engine is assumed to fail during takeoff. w9 X( t6 B, HVEHICLE/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... * M% Q- {2 W" R6 vVELOCITY 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... 0 m3 _9 p4 X/ |7 t7 M) ^' U V VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; $ Q) U I0 U9 N" K' v5 ZVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ) p* y0 ]) u H: f* I VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; " E6 _" T2 }% ~& |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 ... 4 R3 Q" F* u* t! P/ d' G$ s VERT SPD Vertical speed hold # B" q$ b% v+ ^0 c, Y VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; ' g2 n+ V1 [* K, N, S8 k3 b% p VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; 2 Y( ]5 A+ S$ a/ w VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 6 ^1 S4 n' K( P; a2 I* m6 \ VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... ) C- g2 s! A9 b0 r3 `$ qVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 9 |' E* @* D5 L2 Y9 M, X9 L VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. , w: o6 F; {) r3 _- W( r VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ) u m& k4 T9 W' e VF design flap speed. 5 j" h8 \( X+ L, I" U) MVFE Max. Flaps Extended Speed ! B8 v, A/ J9 `6 ^ VFR Visual Flight Rules ("good" weather operations rules) & A' C9 }+ u7 B5 ? 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... + c& c! z0 j5 F% G* w- U; O; x5 e5 W8 K VH maximum speed in level flight with maximum continuous power. % H0 w i$ u: h* c6 NVHF Very High Frequency radio equipment. ( p% ]# s- j+ X9 ~; \$ J9 ] 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... + c' | e) Q3 G! G" V, w J, p 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... 2 e3 w% {7 K( T CVFR Controlled VFR (still existing in some countries) $ A+ X& ^; x/ E# yCVR Cockpit Voice Recorder ( ~6 R; K9 F3 j4 [% j4 T/ F( \ CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. ! b2 P7 ~+ Y9 |! e4 S% f5 p! m( lCYCLIC See: longitudinal cyclic, lateral cyclic; % @ \5 K; m" s/ b# o% Z \6 O2 V" A& o5 rD Airspace ICAO Class D . Q8 f0 F5 d, h' Q, ~D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 5 L: O; _2 X# r; m" { 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... 0 S; @$ i& L/ n& d( O' UVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 4 q' O' z/ [8 ~- Y% Q. D- i0 [VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) ) D0 P) s5 z# S" zVLA Very Light Aircraft (Aircraft certification category) $ `. F8 F' l: N. dVLE Max. Landing Gear Extended Speed 6 u9 a& e$ T5 z# j, N VLF Very Low Frequency radio equipment 1 w& Q) H! p _3 r$ K0 _ VLO Max. Landing Gear Operation Speed ) d- m! w/ l$ v% A9 O$ H VLOF lift-off speed. " S. r! K& b) ^ VMC Visual Meteo Conditions ("good" weather for VFR or IFR) * L- [0 L% K4 b' B; @" K' V2 BVMO maximum operating limit speed. % Q( U2 [) n1 } VMU minimum unstick speed. ; u7 Q* R: R5 e! AVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. " M b: ^% m: J& S$ A VNE Never Exceed Speed / C q) a# ~+ A) t5 u. O VNO Max. Structural Cruising Speed 4 O( e6 P! o3 C: J# i% p- w VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... Z2 ~ F7 Y t, D9 |' c VOR/DME Vertical Navigation (GLS) 1 @* ~9 b) x+ P" o5 K" X+ CVORTAC VHF Omni range; # T& Z2 ?" ~ l: \) h/ z! n7 h; h& _" j0 ?VR Rotation Speed x6 S+ e. ]1 Z) GVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. % U+ ~3 g' m6 _- n' X: r W VS0 Stalling Speed Landing Config 7 a# x, l1 Q$ |; J; L! ^ VS1 Stalling Speed in a specified Config. 5 e+ F: [( J/ p! I. V sVSSE Minimum Safe Single Engine Speed , z( \6 w; D7 r% a$ Z8 E3 w VTOSS takeoff safety speed for Category A rotorcraft. * e8 V H6 Z- L4 L! kVX Best Angle of Climb Speed . _7 N/ }" v8 G6 w2 J* T7 j/ V+ YVXSE Best Angle of Climb Speed, 1 engine inoperative . }+ J. a, `+ ]5 {/ I5 J) n3 ?0 ^VY Best Rate of Climb Speed ' b/ U/ [" r9 {. H) ^VYSE Best Rate of Climb Speed, 1 engine inoperative ' D' [0 P/ J. A: b2 l: ? WA (IAOPA) World Assembly 6 a/ T! h+ m, |6 P }, eWAAS GNSS wide-area augmentation system. , S+ x: Q9 t, k/ D7 G9 B9 B WANGANUI Colored flares dropped on H2S to sky mark a target * R% @5 ?+ w$ A, z5 sWARNING 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 f& G5 X- w2 S" S# W/ H0 Y& y" D& p6 W WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ! J: f1 A7 `- nWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; & a; h$ T5 o, 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... 8 e8 |) ?2 M/ D' R0 _ WASSERMANN German long range radar with a range of up to 190 Km. + @! m/ w2 u* @8 D" P WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... ! L& i u; d, B3 N" p 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... " c# ]& u, J1 E5 S2 u; K5 x# IWAYPOINT APPROACH To approach a waypoint ' J+ z+ S5 N1 A: J+ ] 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. ' Y$ B; A0 R' a0 H, ]; J8 J& RWEIGHT 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... ( x4 E4 O- U/ \8 i: O, w. a WET WINGS Method for containing fuel in wings without using rubber fuel cells. 3 z4 ~2 z5 U+ G/ F1 w& XWGS-84 Wide Area Augmentation System 1 ]$ R S0 C: s! T7 TWGS72 World Geodetic Survey 1972 # E" h! s& I* m. I) T) O( S WGS84 World Geodetic Survey 1984 4 [7 Z6 Q6 z. W$ u2 C( FWHEEL 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... 2 m# f! D" }3 y/ W* m 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... % X% C, Q2 O+ [3 V+ C 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... : a" \: @2 e. ]! k" i. r1 c WHITE BOMBS Nickname for propaganda leaflets. 5 q/ m% ^4 t* S0 O& ZWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft ) r4 `- u4 W0 D6 ?2 j JWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror ! [4 {+ g+ I2 {4 z8 S0 J! ~8 CWIMS System Wide Information Management : m$ f) F) V, ?) T# v. Z. U% z1 HWIND BEARING Symbols: B sub W; Typical Units: rad, deg; ; \4 z- B0 G/ @% nWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 2 F' [3 D3 d1 y4 p AWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars - ?3 I8 y C {3 m$ I, zWINDSOCK 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. 9 D" ^% j) {9 E/ m P8 n* eWING The main lifting surface of an airplane. ; G& r$ `; d8 _ 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... 2 |/ D" k3 N3 f1 K7 OWING 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 l& r% y5 I0 [% M WING ROOT The centerline of the wing, where the left and right wing panels are joined. 4 L% ?3 V- ~; n9 P7 O& @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... ; ^" Q6 \& G* I3 U IWIP Work in Progress + o& `: H- d$ c! e5 N. S WMO World Meteorological Organization 4 ]' O8 w3 }. n2 k- vWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 0 i; A! P s4 M8 N: B7 H9 l- Y. }$ lWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 8 q7 [$ }2 }; P( C4 ? WOW Weight on wheels / w" h! y& j% j* j$ d5 fWP Waypoint 1 t5 X) p. ?& P) o- E+ |/ c WPT Waypoint 5 L: V* n9 j9 V( L( e$ i6 p WRAP TEST A test to send data to a device having it sent back unaltered 9 b1 ?$ I3 r' n5 ^: \( YWWII Waypoint " u+ p* \' m$ F/ h# H( aWX Weather 8 {1 m9 _, U+ K1 aWYPT Waypoint ) @2 P0 j7 c( l% W# j4 ]; s# IWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 7 G- W. [; p, I4 j8 F, C9 Z- aX-BAND Frequency range in which most general aviation weather radars operate. 6 U+ k# x: X9 ~9 Y0 d' P X-BEAMS German radio beams used to guide their bombers to the target . T) _ L% e' `& iXPDR Transponder. Radar-enhancement/data link box for ATC purposes. 6 o+ N8 I9 F4 `# u6 UXPOND Transponder 1 Q; s2 D5 n" `! b) L* e% t XTK Cross track; cross track error. ' k& s+ ~- k6 e- O8 h XTKD Cross track deviation ) C6 a; ]6 J# x2 ? XTKR Cross track deviation rate / v& x2 c: M# l" z$ v2 ?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... 1 m; `; K. G- ^4 R$ s$ S Y-BEAMS German radio beams used to guide their bombers to the target - X9 n4 { @3 \ Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. , E) C5 ~6 e: U) V$ u5 h& q% L1 L* x4 wY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 9 ^1 X0 S. ] N A% V* m, h YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. # K: R( i1 j" H- S3 ]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 y3 o$ m% a. _5 |% j) D2 Z% }2 L YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 0 b+ Y! N5 W/ rZ Infra-red identification equipment ; o2 P4 y) l4 _( j# {& L8 Y7 E) d9 e( C 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... / m( A3 J# H4 f. `! j& NZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. 3 [. n5 J5 q6 y# j Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 3 V5 x: C" L: j) G4 s9 H, @ ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft / ~" x4 [8 {- k, E( g7 [" k ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 4 n1 @* k) C1 R+ t; ?; Y( GZOC Zone of confusion ) U6 } n- H. h: H$ o4 P+ WZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; - w3 X3 o1 x" R G* p ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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