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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% @0 k' |5 T( eTRANSCEIVERS A device that receives and transmits 7 Z# `( `& J0 H4 n' @ TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time " H+ H) B- b$ j% ?% R& T o( RTRANSMIT To radiate RF energy / t% W6 @: [! t N2 `TRANSMITTER A device that transmits d( u1 U1 b% V' k0 S8 q% nTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. - T9 H/ E9 ~+ Z" u. k$ PTRANSPONDER Transmitter-Responder / Z4 M- z! B) B; g TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. % \/ d! S6 v9 X7 b; @) J0 H TRE Type Rating Examiner ; k A7 _6 O# N3 c+ g TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. % h9 m+ b9 f( b `* W TRI Type Rating Instructor % Z$ T V/ a0 B6 F1 C TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. * \' O3 j: [3 i- g( X; I 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 A: q1 C: \( V7 X TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... ) g3 W1 M) e, N$ l! O TRK Track 8 K D( n5 s6 q7 T& w' d, {4 [ mTRN Terrain Referenced Navigation; 6 a- B6 k/ S4 e0 I; U5 pTRN-INS TRN with INS # P" W6 y) j4 t f) g TRTO Type Rating Training Organization 5 b! n* }, B: N( O TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 7 B! ?3 V: u! S. X5 YTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. 0 R+ }4 o# E) U' K# m- iTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. # u9 d/ X" Q( k" X( HTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 9 y6 ~) B: c2 N1 i9 c4 R# b TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ; F) R+ a+ h/ J: Y1 d TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ' r) z1 q. W: z% \% V0 WTSC Total Time Since CORE ! D& s" k' Y2 E0 w! v" x. f TSMO Time since major overhaul 4 {5 B& Y5 y* N+ q' CTSN Time Since New (also TTSN) # @2 R, J. @8 X) m TSO Technical Standard Order ; F# n' E2 ]* p! ^2 Y! G, ? TT Total Time Airframe : J( b$ U* \' a- v, YTTG, TTS OR TTW Time to go, time to station, time to waypoint. : {- `8 I# w$ G& ^ TUBA a jamming device for Freya radar operating in the 70-200 MHz range 5 }$ u1 r5 n/ ~' XTUNE To set the operating frequency or channel for a device 3 U: Y* w8 o* J3 p' t TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. % K$ f6 r+ q3 v5 s* t4 |5 e3 j" iTURBOJET 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' S) M& o7 Y- K% pTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. $ q1 h6 ], T4 M$ D6 N$ \ 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. 4 k& i$ j c. k$ S5 P TWR Tower (Control Tower) 3 f: i2 Q& Z/ z8 h/ P$ X' J4 o. Q) b 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... $ T% W6 i8 ?$ N$ ~ U Airspace Euro control project Class U (unknown traffic) 2 }! s+ e n, e$ k* o+ j+ s0 q U/S unserviceable 5 y' r" K" X7 W( K6 Z$ B2 {3 V7 JU/V ADF UHF/VHF Automatic Direction Finding 7 ]1 T6 j0 c7 w UAT Universal Access Transceiver 5 w4 X, ~( y/ T1 D5 ]1 ^ UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle 9 |; l+ e# f% U/ NUFN Until Further Notice * W, }9 P' M- o+ U H6 XUFO Unidentified Flying Object " `$ Q! C& h" y |1 k- q- n5 TUHF Ultra High Frequencies (300 MHz-30 GHz) ; r \" X$ r3 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; & h' j, H; Q: f; @, ~8 @/ cUL Ultra light, Ultra-l©ger motoris© ; U; E5 c* a7 X& X& cULM Ultra light, Ultra-l©ger motoris© 5 j9 M8 p7 a0 n3 P/ g ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... / I1 P+ g* j& M; X8 v UMAS Unmanaged Air Space (Euro control Definition) # f, M1 y( u+ F3 | 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 L+ m; h n% w) |9 N3 RUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. / j9 d$ N& n% O- F6 D( p 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 ... , s6 g' g) N- PUNIT 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... . ?: ]" K2 P7 S5 V& e. g& xUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; ; \2 [/ F6 b! f4 w$ r3 H/ q+ U2 PUNIT 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... / k8 x5 n q. mUNIT 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... ! M9 i6 [( A! D7 r7 Z0 ~ 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... " v: E) f, o+ r, o0 ^& R UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. " o: a; L! ?$ E4 d& WUNITS A standard quantity, such as ft or mi; Synonyms: dimension; 7 u( a7 R& L, V3 }8 J2 O( VUNIVERSAL 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; ) \6 h( [* ]1 i$ [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... + V$ q7 y3 ^& L/ J3 Z% xUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid & k& h: u9 f5 E) q( B7 T% N/ h URB User Relations Bureau (CFMU) " i# d4 S# j/ z# Q USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon ; M& }6 _7 X s' N2 r- R' C USAF US Air Force ! M& @+ ] R q USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight 3 L. D+ s) r. R) T, y* E USG (AL) US-Gallon (3.78 Liter) , c5 @. f) [; Y- pUTC Universal Coordinated Time. . {9 A* W1 {3 S( ]+ ^4 _UTM Universal Transverse Mercator ) K$ T5 p4 ~9 N$ u; u- e. b9 bV 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. % L# t* _) G, ^2 Z: ]4 I* W V (Y) Speed for best rate of climb. 3 R" S& T* C8 X" s2 j' |V1 speed for best angle of climb. ' z- m- ]2 e4 _8 ?+ r3 YVA Maneuvering Speed (max. structural speed allowed for full control deflection) 5 W' B& q; ]9 t VAC Volts alternating current. + z) B0 Q$ d, Q. qVAL Visual Approach and Landing (Chart) 1 D/ X& U3 J3 _+ K& f @; N0 G9 tVAR Variation : K1 }2 b# B5 V# Y6 r VASI Visual Approach Slope Indicator $ y/ |5 H8 o; \- B VAT Value Added Tax 7 m, @( F5 ?! Q8 V! e/ S. t VB design speed for maximum gust intensity. # Y: H& f9 N9 `) h8 N VC design cruising speed. 6 t4 B, V, [5 U- wVD Max. Dive Speed (for certification only) % k) [ A" f" O; [3 u) dVDB VHF Data Broadcast ( F0 R0 i' {. W# A7 h# S+ U, l+ N7 l VDC Volts direct current. ' _& s; ^4 b. f4 f VDF demonstrated flight diving speed. - x( _- m, ], F+ VVDL VHF Data Link (-n = type n) 5 {' H& r7 ?0 [ VEF the speed at which the critical engine is assumed to fail during takeoff. 7 \4 Z5 ?( } xVEHICLE/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... + }- S) y7 D/ Q, n$ |5 MVELOCITY 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... & q7 s) V, E* D! O% p) hVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 1 n. N, Q5 M9 [& d: _- ^8 K. gVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; , }& ~! A( @6 I3 i% L& K+ v VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; ! @9 S. u' H& }4 ?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 ... * [/ V6 {7 V5 kVERT SPD Vertical speed hold J: E. {* f$ {VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 9 z3 |7 ]: n) F/ f" m8 i) uVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; , l: L; l* g, _VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 1 F0 X, B+ r, c' w# R* i4 f VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 9 E/ ?1 }- e; d8 Q8 U9 c VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; ! c* f' c! A/ c* ]' qVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. + s2 l( A) {9 |! Q+ z VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; # m& T6 P; P/ n- R( Q5 k7 E& ? VF design flap speed. ! J* l9 n" p4 ~VFE Max. Flaps Extended Speed 1 U1 I% J+ p0 u' T" D3 _8 o! t8 \/ a) L7 C VFR Visual Flight Rules ("good" weather operations rules) , B" O; x/ c+ v, g N( Q 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... % ]1 z" w' w: @8 V6 ]7 _' x VH maximum speed in level flight with maximum continuous power. ( q# g3 w, \- t% w M0 l: u VHF Very High Frequency radio equipment. / c6 _( C0 D$ d! `% N5 aVHF 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... * D& ~; B* T( B# P" b 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... C3 E; o# r y. j9 S1 b* W. \) C CVFR Controlled VFR (still existing in some countries) / a* v2 K0 z0 L! w" a2 P/ E" _CVR Cockpit Voice Recorder ( D. ?1 _7 ^0 l4 X) {) ? CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. , y; ?/ _5 K- Z, B R CYCLIC See: longitudinal cyclic, lateral cyclic; 8 F+ M+ k0 V% P2 }' |9 B' ID Airspace ICAO Class D ; j1 V* j9 V( s/ kD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 0 o( n4 P2 D! w2 Y3 N 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... , v% \. b& I* \VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 8 t7 s, p1 c3 Y, v+ ~VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) & R7 t6 B/ ^# \ VLA Very Light Aircraft (Aircraft certification category) ( t- F* B4 W8 j5 x+ s7 Q; h: m% _VLE Max. Landing Gear Extended Speed & S- j; x' H& z" \7 BVLF Very Low Frequency radio equipment 6 S8 ^1 \7 r+ `/ @% p1 v+ z' v VLO Max. Landing Gear Operation Speed * e" x, e9 Q( C8 U VLOF lift-off speed. 5 p9 i; O) X2 x; p VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 4 i( R" N) c- J4 |VMO maximum operating limit speed. 3 A" B" z7 T( W J) ?* VVMU minimum unstick speed. 0 s3 D( P) A" n8 n- P5 fVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 0 n3 M( \3 f. a0 n VNE Never Exceed Speed 7 B6 i7 p6 L/ O7 w% P' i' eVNO Max. Structural Cruising Speed ; g; R% Q# C' P+ j, [! NVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... & ^3 m, G8 I: K3 T$ DVOR/DME Vertical Navigation (GLS) 4 _5 S1 E; }' B+ hVORTAC VHF Omni range; / U& ] t* N9 K/ J VR Rotation Speed 7 D' _* ?8 y9 S! O$ {VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. - v7 X- S8 M/ W2 p5 M VS0 Stalling Speed Landing Config " j8 E$ i; t( \1 f; f7 r" U' @ VS1 Stalling Speed in a specified Config. * {1 g& p4 l( H) b P0 v: H VSSE Minimum Safe Single Engine Speed ) G/ L G2 X ?# JVTOSS takeoff safety speed for Category A rotorcraft. * @) o% Z j9 j; ^3 j+ wVX Best Angle of Climb Speed . ?1 x" l- |7 j( D! Q( kVXSE Best Angle of Climb Speed, 1 engine inoperative 3 {) V5 d% Z/ z7 U: L7 o4 F% {+ t# Y VY Best Rate of Climb Speed 3 g, A( `' m+ wVYSE Best Rate of Climb Speed, 1 engine inoperative ! b# X" W+ f. vWA (IAOPA) World Assembly & F0 M! ?' O0 L* e. V3 r WAAS GNSS wide-area augmentation system. 8 Y- k1 r% b$ o& Y WANGANUI Colored flares dropped on H2S to sky mark a target 7 s R4 T2 E& Q0 J4 z0 g5 R+ nWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... 7 Z$ D4 ~) O. G5 \) ?0 F/ O" ? WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 6 W9 }7 K& m& `) }. e) ~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; ! R0 w9 I# S4 W+ y" R) k- U. GWASHOUT 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... 5 C0 f. ~- ]5 ~* t- ` WASSERMANN German long range radar with a range of up to 190 Km. 4 R5 W. v3 d5 A1 S0 M2 G' ] WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 2 v# A8 j4 J' S% M! mWAYPOINT (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... 2 K( s* B0 H$ W: O; \% ^. O# Y WAYPOINT APPROACH To approach a waypoint / D- R$ c# G2 E" N/ QWCA 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. , L. W" Q p* W6 Z4 ] c( _ 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... . K) n4 R4 {! m3 k WET WINGS Method for containing fuel in wings without using rubber fuel cells. # R0 E0 p0 z2 r! f9 N0 i WGS-84 Wide Area Augmentation System 0 y8 [5 X7 b8 P5 D( Y& R: Z& K- M WGS72 World Geodetic Survey 1972 * V8 h! t" ^' @+ F WGS84 World Geodetic Survey 1984 . u: E6 y8 v0 r0 q 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... 1 X2 |# Y, p" t& JWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... + C: o, f! c2 \7 K 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... ( e" {4 @! A/ g, m* {0 Z WHITE BOMBS Nickname for propaganda leaflets. + ^3 C/ ~2 u: ~8 L% Y! [ WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft $ J# }% G8 \9 S# u) t" F% 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 9 [4 s0 p6 C/ Z0 B2 z4 tWIMS System Wide Information Management 9 \+ k4 J. Z% [5 M$ \- i WIND BEARING Symbols: B sub W; Typical Units: rad, deg; ) A/ {7 k7 T" o$ R WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ) r" S9 X$ d' j# t' a4 p. \WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars - b/ h6 [; F! w H+ b# y( _* ] PWINDSOCK 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. # c. Q. d" D! U! { WING The main lifting surface of an airplane. 8 u# c! Z j5 S: G. dWING 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... 5 Z5 h2 O9 Z, hWING 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... * I. X6 K3 f3 S0 C WING ROOT The centerline of the wing, where the left and right wing panels are joined. - J4 `, i6 J. C' e; h, v: s5 u0 } 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... - o# p& ?' I: _2 VWIP Work in Progress % Y# ~1 L( [* z5 LWMO World Meteorological Organization : F& X, _' h9 @5 u' sWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; ! B+ c) V1 _% f" K7 C. YWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 3 h7 `% x/ j# N8 f2 A! `8 I3 U WOW Weight on wheels . p/ c# E, ]! J5 G WP Waypoint 2 h) L/ s6 }( [ WPT Waypoint , J& D+ H) q, ]+ `" V WRAP TEST A test to send data to a device having it sent back unaltered 1 W' ?6 w+ A2 U2 g WWII Waypoint 9 |0 |* A% R) L. SWX Weather 8 B2 q7 ?1 B6 @. E, I( R* c( zWYPT Waypoint ) q0 t' E: }8 @0 }& z: ^, @" e2 \ WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 9 d. B; W( Q, T# t X-BAND Frequency range in which most general aviation weather radars operate. , S/ w: l) d2 Q- O3 Y% V% y X-BEAMS German radio beams used to guide their bombers to the target + @# z" t& c; ]6 T3 RXPDR Transponder. Radar-enhancement/data link box for ATC purposes. 7 P) u9 Y+ s q, J7 _7 C9 O6 TXPOND Transponder % j" S( b7 h) q) q! w ?XTK Cross track; cross track error. $ H3 _$ y7 |6 T( b/ e2 v. C! GXTKD Cross track deviation 7 d; _: q3 ]0 H1 a XTKR Cross track deviation rate 9 ^ t" ~7 ^8 k; \* G2 _/ \: 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... $ y, v3 k7 p* W, Q' V0 SY-BEAMS German radio beams used to guide their bombers to the target - I) D$ v9 v+ h" a5 }0 S: a2 {. u& r* h: W Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. + l b2 i2 a+ Z: A- `7 J 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 3 w: p) N" U* g3 Y. z1 _YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 8 [9 L6 P1 M3 R/ K% B) Y1 a$ WYAW 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. - W4 k8 l( w% N* F" _YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 5 F# F* ^. @( t+ h2 A6 _4 a Z Infra-red identification equipment + D9 X7 I$ j1 K5 |' w/ K: I- }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... 5 H/ G. M1 O! g! }9 b, DZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. 2 a, g$ \ M, z" |; g8 |9 }: [0 LZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; # k+ J, D2 n; T1 f9 b' pZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft + [: Q" D1 g) x9 r ?& r9 Q$ IZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters ' P. g8 u& k/ H7 ?( J; u' D ZOC Zone of confusion % D" b4 r( v7 M+ i0 r- b* \5 H ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; + {/ U" T* H- Z% `; u$ h" x5 y0 F- KZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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