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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 4 \2 z! }) ^# z5 L. y, V2 QTRANSCEIVERS A device that receives and transmits 2 }4 K e3 b! \ TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 1 G3 I( P( F- rTRANSMIT To radiate RF energy # y) h" g' n1 ~0 f( z! v5 X TRANSMITTER A device that transmits 1 k1 T1 W0 O) m; @$ X TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. * w. k7 o8 q4 }3 ?4 ^: KTRANSPONDER Transmitter-Responder 2 s( b, u0 v$ [4 \4 N# A TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 2 g! U, \2 Z* N% ^ TRE Type Rating Examiner v( s0 m6 q' J5 F& F" FTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 8 N0 J6 c+ ]$ ?# V1 |" a' F4 N5 R" A TRI Type Rating Instructor % ` f! t: p2 q# |) y TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. ( v k% q- G7 a 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. 0 W" [: R4 t$ b8 D8 r) V3 UTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 7 O5 p/ s4 {: @+ r$ M( e TRK Track ' O& y% A# c3 g1 F& N. O- [ TRN Terrain Referenced Navigation; & m6 M6 x$ s' a6 f/ J; x TRN-INS TRN with INS 6 R% ^; s! X, U" j" U. q3 XTRTO Type Rating Training Organization B5 Q' Y6 Q: d% O$ T, I" pTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; + Y0 x: M5 w [+ K4 b. a7 Q1 x TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. / q! L: M7 I" i2 l0 t TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. # ~6 N, h; b3 T' UTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; $ B1 i: x$ k+ ?9 p" r2 BTRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ( N1 s5 _$ ~/ Z e% e( JTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ' b# w0 |+ O0 a( a/ m TSC Total Time Since CORE # O+ V. m9 ?4 [: [TSMO Time since major overhaul ! A: M M8 M' i" @ TSN Time Since New (also TTSN) 3 g" n- _9 b# l) F0 T TSO Technical Standard Order & e: J3 R! q# t( X0 }& D/ xTT Total Time Airframe ( I& o E0 T5 I& i, \TTG, TTS OR TTW Time to go, time to station, time to waypoint. / _4 [& f% h0 P. w* J3 x TUBA a jamming device for Freya radar operating in the 70-200 MHz range . Q$ @# i4 I& U. v" ^# j) ^TUNE To set the operating frequency or channel for a device $ N: E& l$ ]& R* Q9 X; A1 `% L TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ; E \) ~, _# ^! k* m- _( V 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. ' p7 U! s% O4 W7 U( y- p TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. $ h3 t3 U" q" P$ i3 f% VTURBULENCE 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. / b6 h y0 l6 @8 k3 \' V" A: o3 y TWR Tower (Control Tower) # r0 F0 P6 I! x$ H' p+ \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... 9 ~ \5 T+ h( L- z8 T' I U Airspace Euro control project Class U (unknown traffic) % W y/ R2 f @! iU/S unserviceable & `# v* w* p3 C U/V ADF UHF/VHF Automatic Direction Finding 9 w1 P1 L* ]$ X9 a9 q$ oUAT Universal Access Transceiver $ _* l- d& H9 O. Q# ^7 O( G1 y/ t UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle . w4 }6 _& O* ]# NUFN Until Further Notice # V& j* _# h, G7 ~( i% {4 t UFO Unidentified Flying Object - e" R6 h. ]0 d% a2 R, I( Y4 |2 \8 QUHF Ultra High Frequencies (300 MHz-30 GHz) 8 Z0 p ~4 \* DUHF/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; 1 \9 q" _$ `; ?5 b9 `2 aUL Ultra light, Ultra-l©ger motoris© % y# |0 Y T0 P; k3 d ULM Ultra light, Ultra-l©ger motoris© 7 [. B2 b$ R; cULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ) J# `0 [- L. U; a0 H1 U; `2 ^% g, ?9 j UMAS Unmanaged Air Space (Euro control Definition) ! ^4 _, l) L: e( P 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... 9 @: L7 L5 Y# y) ?# gUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 6 b/ F# G K3 N$ J( Y3 ], T UNIT 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 ... - W( ^. }1 k2 R$ \3 V2 p 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 z' q/ ]) a9 Z" t! } UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 2 n: C8 R0 _) qUNIT 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... 5 B* |$ J6 ?& y' r1 x3 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... ! Y8 t4 r- d- S1 _7 ` u7 MUNITED 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... # K; P. F5 d( U UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. ' w9 u) e4 O2 W; n UNITS A standard quantity, such as ft or mi; Synonyms: dimension; 4 B" ^9 j3 @8 }, u1 e) f9 eUNIVERSAL 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; ' b$ Y; Q, }0 E. MUPDATE 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... . C n7 z# |* T0 E8 v. d9 e$ ? UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid 4 V% x2 y3 X2 V& ^8 Y URB User Relations Bureau (CFMU) * w. K7 j) h3 |6 j& J8 l& M1 P USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 5 b3 I2 e7 T/ i/ F! }! B p# E5 @6 LUSAF US Air Force $ p6 ~( E0 F& R5 m USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight 4 b/ [3 I, X8 VUSG (AL) US-Gallon (3.78 Liter) * N0 [$ q7 L% H6 O- G1 uUTC Universal Coordinated Time. 1 ]2 x" h5 \& ]& p UTM Universal Transverse Mercator % m# ^/ b) G& V3 P1 A, p& e1 f 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. 9 c# D* v3 v/ o) K6 L8 R V (Y) Speed for best rate of climb. ! |+ D2 K- H8 C' Y7 U/ l# AV1 speed for best angle of climb. ; w2 \$ L8 L2 P5 N" a* |8 iVA Maneuvering Speed (max. structural speed allowed for full control deflection) / x- t; p, [4 A8 [5 h8 @2 u VAC Volts alternating current. ) [4 B1 b- X, Y7 K9 S7 d VAL Visual Approach and Landing (Chart) & ]$ k% x; Y5 L; y8 F, x. E" h VAR Variation + S7 S7 ]0 g$ JVASI Visual Approach Slope Indicator + S$ U$ g2 l6 k9 l! AVAT Value Added Tax + n: H8 ^- n0 U4 } VB design speed for maximum gust intensity. 6 L, H7 B+ f) X1 Y' K {VC design cruising speed. 1 B7 d& k& R' s) Q! J6 Q VD Max. Dive Speed (for certification only) 3 X$ I) J* }( e! m1 ~6 oVDB VHF Data Broadcast , ]& j/ b* F z- ~. S" L VDC Volts direct current. 9 o8 D: y- M) [5 y, A; a VDF demonstrated flight diving speed. ! D! }: O( U2 ?$ y* z G$ qVDL VHF Data Link (-n = type n) 9 J1 ?8 V6 m! \ VEF the speed at which the critical engine is assumed to fail during takeoff. & o' ^/ O. `6 A" z( W1 ] 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... 4 }$ ]+ C) x3 k2 _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 [( [0 n# U+ j) v- A% oVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; + }8 M7 F% B; {! `' \/ G% ^' j VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; : K5 F' X& X/ b4 q F# p7 zVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; . c9 b& f+ R& i 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 ... 5 U, z+ p2 _" ^! I$ ~# [, IVERT SPD Vertical speed hold ) U8 z3 T$ p+ `2 Z VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 7 O9 R3 F6 \& J | VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; . k, B1 E; j" d+ _/ H" JVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; . M |6 ~& l; X( G% x' ]VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 6 @" U5 l% K+ B) c( n$ j: M) F9 LVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 3 w7 Z- q: ^; a8 b- _; k/ Q8 V: U VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. + H. e: v/ ^: X0 D3 D0 xVERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; * c! y" I9 L5 ?. g b/ ]' J VF design flap speed. ! U3 u* q9 q- zVFE Max. Flaps Extended Speed . a7 f6 U$ z' F8 qVFR Visual Flight Rules ("good" weather operations rules) 5 d8 {* T2 p, q. D) z% I+ | 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... ! a# k% {3 M( Y. k0 x. PVH maximum speed in level flight with maximum continuous power. ( H) m) o4 m: G. }VHF Very High Frequency radio equipment. 0 N9 m$ I( r% M1 y$ \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... . V6 o1 {" R6 p, q' M% K8 @/ F 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... ( I/ R8 L( q# o _ CVFR Controlled VFR (still existing in some countries) & u& K/ q, p z& t2 j! N CVR Cockpit Voice Recorder 6 f- s5 D. H# h* f" m# zCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. ( x4 F" c) Z7 A8 t5 G( w. u. TCYCLIC See: longitudinal cyclic, lateral cyclic; . y4 S# X( A& o* d D Airspace ICAO Class D 1 F, w% {* b+ B h# @. qD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) ( y* S2 o9 i! T1 k8 c- |, eVISUAL 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! q& G) P/ {' p8 H- ?' d8 r/ AVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 5 P& Q3 Q6 W3 |' H6 x0 t& ^( u- |# GVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) . T7 i; K6 l2 Y: c( y& g- w& lVLA Very Light Aircraft (Aircraft certification category) * G; a& u0 D8 XVLE Max. Landing Gear Extended Speed W! q; E" c/ i2 l ~8 l: D VLF Very Low Frequency radio equipment @/ c/ ^0 W1 n. ^+ P VLO Max. Landing Gear Operation Speed ) I, |1 M& T9 O. y* [ VLOF lift-off speed. & Q, A& }- B; u8 P VMC Visual Meteo Conditions ("good" weather for VFR or IFR) . y2 w6 M- F; G3 M, R! t' TVMO maximum operating limit speed. ' @! } @/ [# k: \+ p: Q8 c$ T( p VMU minimum unstick speed. - ~$ o; ~. w7 c+ o' s/ d, YVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. & C4 @5 A: E% Z1 fVNE Never Exceed Speed # u+ d0 E0 r8 @/ j @& u VNO Max. Structural Cruising Speed 4 Z) o' V6 g* n6 A; ^5 s! g VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 2 B& t, Z: ]0 WVOR/DME Vertical Navigation (GLS) ) e, q( ?8 F- r# z4 g VORTAC VHF Omni range; 3 I9 V/ R1 Q/ f q VR Rotation Speed , e3 E" g* v1 z; R' P* m: x6 _2 V VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ; }5 c; E' T/ L& u# }5 v; Z VS0 Stalling Speed Landing Config ( J- d3 G2 f6 ? VS1 Stalling Speed in a specified Config. 3 b+ m- b2 A- \3 H. D I1 J VSSE Minimum Safe Single Engine Speed . K. U6 O5 r! n+ ?, O6 }& B VTOSS takeoff safety speed for Category A rotorcraft. # w8 }2 {/ ?7 B/ ]6 n! t% I VX Best Angle of Climb Speed P3 w/ ?+ K, l# x" i VXSE Best Angle of Climb Speed, 1 engine inoperative z. u6 S+ G4 _ VY Best Rate of Climb Speed ) D/ C! E7 ^7 X. J& x0 d- OVYSE Best Rate of Climb Speed, 1 engine inoperative ; `/ e8 h" w) K- u1 R- n7 p* vWA (IAOPA) World Assembly 9 E E6 g! p: E0 c# lWAAS GNSS wide-area augmentation system. " W0 g: ?" q e6 D4 J; ?) Q! DWANGANUI Colored flares dropped on H2S to sky mark a target / \' F7 k( Q. ^! S 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 ... / L: x+ v3 C1 K WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; & m X2 A% I( e$ j& t3 h0 DWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; 5 K6 h% R9 R+ wWASHOUT 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... / n8 S' F7 m1 R: ?$ l! b1 E/ PWASSERMANN German long range radar with a range of up to 190 Km. ! x" \. e2 i' `7 u5 U/ g7 kWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... * ^. V0 `4 g3 z5 d: pWAYPOINT (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... 0 q% y% v, A2 @+ pWAYPOINT APPROACH To approach a waypoint ; p+ `8 e; _% ?7 H. f: t+ fWCA 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. # C, y# l' J# c' J* n& E$ } 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... . \; x3 d! \( T) a- z) h/ nWET WINGS Method for containing fuel in wings without using rubber fuel cells. & I. w, n `4 V5 b WGS-84 Wide Area Augmentation System / W! K: Q6 b' i' M3 ^" A/ h WGS72 World Geodetic Survey 1972 5 b! C3 ? ]$ J* V$ z% IWGS84 World Geodetic Survey 1984 # P0 c) W4 e$ _, DWHEEL 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... # e! i" T3 z% e, R: y* hWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... 0 D6 t }) |- g" ]9 \6 o* vWHEEL 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... + S, V6 e4 [ P6 Q. n" z0 k" [WHITE BOMBS Nickname for propaganda leaflets. * E' M: |% O8 N! K, L) zWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft % r6 N% |6 u: \3 lWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror / [" y1 M2 e' A8 b( `& T WIMS System Wide Information Management 3 r& J2 m4 }4 V9 h6 S2 C WIND BEARING Symbols: B sub W; Typical Units: rad, deg; - @& a; l" m2 t9 @! W4 r) t WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ) |5 e' e D! `4 s8 mWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 4 j7 |- q' D+ z! b, HWINDSOCK 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. 4 x% G4 M+ ]; x! F3 n) e. sWING The main lifting surface of an airplane. + B3 V6 u8 I4 X, M 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... ' q+ g1 w6 `7 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... , F* J, r$ }( W5 {. k" n6 u/ W NWING ROOT The centerline of the wing, where the left and right wing panels are joined. ; Z3 Z I! U F% e$ F 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... 4 O3 G& t( [5 {/ C8 r7 Z6 ^. vWIP Work in Progress & @5 @# ^" o q# TWMO World Meteorological Organization 7 P* ^% j* P' k( m2 G" l2 Y WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; " b, u$ U. a: o1 O# A" FWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 2 f! o z+ }7 P' L7 M- t2 M WOW Weight on wheels 8 ^) u3 P5 A" a" ~WP Waypoint , \ P2 Y8 q8 s6 m: XWPT Waypoint ; w6 G2 |! |( R WRAP TEST A test to send data to a device having it sent back unaltered / z' d1 ?( [# ^0 L$ t" U4 u' S WWII Waypoint ) E/ ^1 f8 }: j7 p0 X [3 O4 {0 {WX Weather / K. A0 a; f$ H* E3 qWYPT Waypoint 7 }: N) y% u9 K% mWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 1 W4 u# q, G- N C7 I9 z1 pX-BAND Frequency range in which most general aviation weather radars operate. # `+ Q* n8 o; p; B( I" P# o9 yX-BEAMS German radio beams used to guide their bombers to the target . W/ _& q7 a2 i: K4 @" Y+ B0 X% h XPDR Transponder. Radar-enhancement/data link box for ATC purposes. : N7 [* O3 z" R, O, J1 g XPOND Transponder $ x) M6 L6 d3 s9 C1 N& }" t) r" [ XTK Cross track; cross track error. " q ]5 P7 K) nXTKD Cross track deviation 4 `4 b8 ^% m {$ e% T3 j# J* G# O1 L9 x XTKR Cross track deviation rate . }$ S) _' X. g9 `; u' UXYZ 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... 5 `5 Z' @# |- p/ ~3 J4 R Y-BEAMS German radio beams used to guide their bombers to the target / ]: z; j6 M2 g4 \& W Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. $ i+ o" ]& \( F) SY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 + F; \4 _" }! P6 h* C0 w% V YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. $ }9 k# X# G1 m9 _8 d 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. ' @- @/ d: R% KYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... & y4 z' a6 D! g @: l. V Z Infra-red identification equipment ; Z3 k5 O' u' t( H6 g8 j& iZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... $ n8 Q( T. C" t& J1 V Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. 7 @% ]3 P' i5 K& Q: B' DZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 0 a3 T# _5 Q( q/ F: BZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 3 h4 v- i6 [7 s ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 8 l+ l, I$ Z) Z; e; h3 gZOC Zone of confusion - Z& t2 F) H* qZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; ) g6 C3 {$ _$ a2 k ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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