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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 @; f0 b, ?+ d' H; x TRANSCEIVERS A device that receives and transmits / @* y' _. W f9 U TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time $ `2 P; Q! Y3 STRANSMIT To radiate RF energy ( t$ E8 u6 |' |- j0 ]TRANSMITTER A device that transmits ; F5 C& e; I9 x: j6 CTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. ) V8 y) B( ~2 K& N, Y TRANSPONDER Transmitter-Responder % |' u# I/ Q) X+ Q* W TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. : Z2 d* O" V" q( ]* ~& P& G5 X" y TRE Type Rating Examiner + J" |* ]2 `" D1 A4 D TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 1 Q4 U7 v( H( n% _TRI Type Rating Instructor : m8 k$ x0 f8 R# i TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. " O; f, e: k* | u6 q' A3 N 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 g% r: b& h+ d% j TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... M/ s. } O1 J' ?- fTRK Track ; z) s% ^4 @' z; P3 X7 c, m) b' JTRN Terrain Referenced Navigation; 5 O* U0 G6 A5 M" @9 e- ` TRN-INS TRN with INS & |+ ^: p( C( E: a" ATRTO Type Rating Training Organization 3 O) S1 s# {, j1 t" `& s9 |' CTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; ; a8 l* m) \& a: m p0 q1 y/ n% xTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. _& Z) j& _/ z+ D; i1 s& FTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 1 I6 V* V) [. K6 } TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 5 V# ] x4 k- M- g TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ; s% m' b* {+ X" L2 |TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; / S ]1 @6 H' z$ V- l0 g TSC Total Time Since CORE ! m& r# n( @! K% n" J# @) B) b: o TSMO Time since major overhaul . i- L5 l! o4 u+ o" ~% e: WTSN Time Since New (also TTSN) $ K/ u' [. V% l' u" A* l/ }TSO Technical Standard Order 3 V/ n5 M9 U1 b' K9 O, ATT Total Time Airframe # X h! q+ m! X; t TTG, TTS OR TTW Time to go, time to station, time to waypoint. - ]+ o. x5 H) M) b. p: m" w T TUBA a jamming device for Freya radar operating in the 70-200 MHz range ) X }! D; Z% b( y+ e s! \! r$ HTUNE To set the operating frequency or channel for a device ! q1 }7 o! M ~9 d+ {+ J' a) nTURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ) b. @7 T; Z4 z- D4 yTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. + _. _, G+ i# c6 d% o! J$ ^/ D' VTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. / `9 a f1 @& N9 ~% X9 nTURBULENCE 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. 1 k$ A/ j/ z7 UTWR Tower (Control Tower) 3 O7 w, U2 G$ A" N) uTYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... / {( i6 k* n+ v- S2 e; bU Airspace Euro control project Class U (unknown traffic) 5 O7 ]3 m+ \1 R- C, _ s8 A U/S unserviceable 7 K, [6 S3 D _3 {7 N: g! _ U/V ADF UHF/VHF Automatic Direction Finding : O9 T1 t9 V7 U: B3 i# {0 G+ SUAT Universal Access Transceiver : w. `* r5 ^4 y- I" n1 ?& K UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle + h3 R* t2 G# t UFN Until Further Notice ( U" K) n6 L, U3 b% Y& S1 j a7 p YUFO Unidentified Flying Object $ ^- T O+ P+ L" z# r2 l1 M UHF Ultra High Frequencies (300 MHz-30 GHz) 1 e3 Z# T) v$ R5 Z 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; % C- M/ H# y: E7 K- r0 X4 d U6 aUL Ultra light, Ultra-l©ger motoris© ; E9 a: [" ]5 u4 l5 p) a A4 EULM Ultra light, Ultra-l©ger motoris© - O# _1 t; f- WULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ' ]: o) `$ [8 k' d0 h* V- u, Q UMAS Unmanaged Air Space (Euro control Definition) / N! F; @/ H2 _$ o; p% o. wUNDER 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... , M3 J) }# ^- e UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. / f3 U. r( a! F/ |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 ... / @3 a% n& k8 T% y; Y/ zUNIT 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... 0 q. h5 U ^9 R! L/ IUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; " _3 B2 R- ^4 R& H, x4 |5 @ 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... ( T9 K t: R7 ]% r6 ~" {/ t' fUNIT 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... 6 t8 A! N/ V) H2 O L$ o' F 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... ! k) b; N! N* i* t% } UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. * @6 ^5 O, S. k$ x( @4 fUNITS A standard quantity, such as ft or mi; Synonyms: dimension; + k2 q) ~7 i% Q9 K: P4 |9 }+ AUNIVERSAL 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; 1 x: V! I* |, C8 @6 h/ i6 G- U 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... ( D+ [: I; \, Y" a8 E" z4 } UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid & z* A0 U5 |& ^) Q* f6 UURB User Relations Bureau (CFMU) 0 p8 G! Z/ k$ f; m+ Q- tUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon ; M/ e7 Y1 o' `( K2 C! P USAF US Air Force , O; F* Y5 k. g7 w, XUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight * q. U- |0 |/ p7 [% A! }2 I5 Y' m+ UUSG (AL) US-Gallon (3.78 Liter) 1 I0 M: O" G b* A( {UTC Universal Coordinated Time. . `; W$ ^3 M0 F6 F1 R: B4 @UTM Universal Transverse Mercator 4 ?5 l$ l' e j3 y: {9 b* A) L% s' q; U- e, ZV 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. , x4 i8 i9 [7 A$ `* I8 S9 v! D V (Y) Speed for best rate of climb. ! o: g: E7 i! q( n- H9 KV1 speed for best angle of climb. ; y4 ]0 |: j* Z+ \ oVA Maneuvering Speed (max. structural speed allowed for full control deflection) 8 ?" S0 b8 u, V' b7 gVAC Volts alternating current. ~5 p3 z9 Q( ?% L( Y; D' V VAL Visual Approach and Landing (Chart) 3 ~" I5 K* q7 C$ ~3 X# n) v: V# _2 NVAR Variation & r0 D% ?: m6 a! B% [3 n VASI Visual Approach Slope Indicator 1 \" n5 z" O7 Q7 g( XVAT Value Added Tax " S+ K1 {0 ?( O- V z% R VB design speed for maximum gust intensity. ( S8 B& R @% _. z6 \( G+ a VC design cruising speed. q4 ]! z- Y' E! V8 A; A" r+ yVD Max. Dive Speed (for certification only) ) m! H6 `3 m7 n( R$ q( p4 Y VDB VHF Data Broadcast ; R# U- t' `) iVDC Volts direct current. + a' a4 W* f+ z) @# n VDF demonstrated flight diving speed. 2 O. i: l- R) Y- M# LVDL VHF Data Link (-n = type n) + D1 H, E7 c, _) D7 d7 wVEF the speed at which the critical engine is assumed to fail during takeoff. : s1 u8 b- Y& k0 G J) PVEHICLE/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 \0 Y$ R/ a0 d- b2 [! D6 X. ]& t 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... 0 {2 c/ m$ f3 A r VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; * y5 z4 Z% g. yVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; - P6 Z& L4 P L, Y" w1 _ VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; - k& |7 P& R3 F& b. SVENTRAL 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 ... : i& U2 D$ _! O" Z, ` VERT SPD Vertical speed hold 7 i/ V. O& b6 h3 S; U4 U- p VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; & c3 I" a/ _2 D5 R8 r1 i/ c3 YVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; $ P. i F1 c! u$ g. O/ n1 T' WVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 8 j1 U1 S4 {5 F. MVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... $ I0 }- @, m# g/ lVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 4 M& i- ?4 x3 U/ B; s: wVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. + x C" Q& M; W& w, e, v- i! Y9 WVERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ) \& p) V+ P9 ?" j' l VF design flap speed. ! n) s0 E1 r$ M( B% l8 yVFE Max. Flaps Extended Speed + d1 L: ?+ m4 ] J0 J P VFR Visual Flight Rules ("good" weather operations rules) 9 p7 f6 a% e4 Q# B. m6 SVFR 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( i. h- F$ B5 G$ ?- oVH maximum speed in level flight with maximum continuous power. 7 S, j9 d" q3 m, _0 r8 W, x% GVHF Very High Frequency radio equipment. $ q8 h2 o4 s* |6 N3 j4 R% ? 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 A* \$ z5 v& z: S: AVILLAGE 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... 1 b/ {3 Q- t. _8 { CVFR Controlled VFR (still existing in some countries) 5 m! ?8 b/ y0 _2 r7 R/ aCVR Cockpit Voice Recorder / X- s* X0 g& x( b6 m Y/ {CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 6 N W6 Z8 s$ {, M( j5 I' NCYCLIC See: longitudinal cyclic, lateral cyclic; / v3 d3 X. J! H- f. \D Airspace ICAO Class D 0 p6 h7 \2 S; N* wD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) # X" k7 K& z5 V$ k 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... & f9 m( L, m2 u9 zVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 6 v& V/ u- J! ~0 V$ F VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) - o, l8 o! ^! @0 ?VLA Very Light Aircraft (Aircraft certification category) ; H1 O+ w9 x! v8 I% R7 x9 B. w* i/ [VLE Max. Landing Gear Extended Speed - l+ f5 P; `( x VLF Very Low Frequency radio equipment 7 `$ J4 u `' j: ?VLO Max. Landing Gear Operation Speed " _" @/ X8 g: x+ s' `& u VLOF lift-off speed. # l+ c& Q* [/ u VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 7 z8 ?0 t7 l! b+ D) ?8 g VMO maximum operating limit speed. ! P+ Y& F+ f: P" S5 p VMU minimum unstick speed. . H W& T! J* g! B. nVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. ) f3 B! E6 K( y3 TVNE Never Exceed Speed " ?- r1 R }7 w) Y {) ?VNO Max. Structural Cruising Speed ) ?; ?4 Z( u, L* B( W# Z VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... " }$ O$ y# X O; a* aVOR/DME Vertical Navigation (GLS) 7 X. }& J7 v" c; q w( F8 e( OVORTAC VHF Omni range; ! b$ O h2 z+ e VR Rotation Speed / }8 Y0 z% L, N2 h& yVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. + v. g$ I( R' e: |8 V: w VS0 Stalling Speed Landing Config * j/ c- k" N9 e1 W/ v1 [% UVS1 Stalling Speed in a specified Config. u7 ^% k7 z. p, }4 W$ J9 G, p VSSE Minimum Safe Single Engine Speed , J6 M" k; D2 B0 l. f, {5 o VTOSS takeoff safety speed for Category A rotorcraft. 9 v7 i& a) J" [ VX Best Angle of Climb Speed 5 e7 u( O! f/ SVXSE Best Angle of Climb Speed, 1 engine inoperative 2 w* Q+ Q! _* x. k+ }VY Best Rate of Climb Speed ' p1 ]9 [. {/ i' _9 y& WVYSE Best Rate of Climb Speed, 1 engine inoperative : ~, `$ U2 W( W5 o9 W9 _ WA (IAOPA) World Assembly 4 b Z% ~0 q1 C5 i( }8 H6 J) T WAAS GNSS wide-area augmentation system. . }8 z" T$ ~$ [) J: n- I WANGANUI Colored flares dropped on H2S to sky mark a target ' Z; A. o! s, d( ^- 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 ... , ? F' }0 {. i' o1 Z: MWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; + ]- G3 G: o! m8 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; 0 ]! H; J/ x# K$ B; C WASHOUT 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... % i5 |/ u+ F3 m1 @WASSERMANN German long range radar with a range of up to 190 Km. 5 o# L" O4 T' n WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... $ w" q( Q) i9 H 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... 3 }8 G8 t0 }2 ]9 E WAYPOINT APPROACH To approach a waypoint 9 n1 o" H" {9 Z- Y 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. / X6 f1 u& ~" O4 AWEIGHT 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... ' k8 N. z( D: q5 i WET WINGS Method for containing fuel in wings without using rubber fuel cells. : ~1 t: p9 k+ m" R WGS-84 Wide Area Augmentation System 0 u! e- T+ H" u4 h9 E& |WGS72 World Geodetic Survey 1972 , h2 V; C8 q7 z) v6 _. L" N, R, OWGS84 World Geodetic Survey 1984 4 Q2 T3 ~, ]. n; o+ 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... 5 Z- C: i% P4 X3 Y5 \8 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... " a0 J% T( z; q. `" N 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... # N5 ~0 h, G4 J2 H3 D, M3 g! J- XWHITE BOMBS Nickname for propaganda leaflets. 3 V$ s$ k: e. T5 uWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft / S) S1 s, t* ~- R9 W: E 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 - l+ |: m+ g. ~* i% M4 \& p! vWIMS System Wide Information Management ! h1 n- n2 M) S# nWIND BEARING Symbols: B sub W; Typical Units: rad, deg; 0 D, M1 D7 o+ U- JWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; * P' I$ }3 l7 G) ~. p! Y. P WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 7 E) y* f+ R' T3 f3 Q- l. p 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. 5 p' G7 \- C4 q- X+ u J% X5 @5 i5 MWING The main lifting surface of an airplane. ! k. A1 M1 W) ^/ {1 p8 ]2 G 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 o! V( h4 t3 C9 e 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... / r/ x) t- U0 f) T9 U WING ROOT The centerline of the wing, where the left and right wing panels are joined. " D% V8 ~6 \2 O8 z& s$ RWINGLET 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% f# V5 G# z F WIP Work in Progress 5 n4 [2 X9 B. [ WMO World Meteorological Organization 4 P6 `, |- I& Y- g5 j: a" Q WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; : ?1 S9 B/ M0 N" D WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; ; l; y' r, C. l1 N5 U9 |) z: wWOW Weight on wheels ( R5 S$ r- g5 Y$ d" m( i/ ?WP Waypoint . C) v9 C: [" W: L0 O. [WPT Waypoint % ? X$ s" p" B0 l, j" X WRAP TEST A test to send data to a device having it sent back unaltered * ]1 |, E/ l3 ?8 T+ Z7 E WWII Waypoint * H8 |8 X" u4 |0 Y& ZWX Weather ) I. ^' S+ e( y5 E+ M! N1 V: |WYPT Waypoint # B0 ]& w9 r; F8 s( U" } WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 0 q" w' U6 s9 T' J/ D% U' P' G1 \ X-BAND Frequency range in which most general aviation weather radars operate. 6 w5 V& C) O% v& K9 f' AX-BEAMS German radio beams used to guide their bombers to the target 3 n! M! Y3 x' J6 ~0 KXPDR Transponder. Radar-enhancement/data link box for ATC purposes. ' l3 g8 q3 A1 d+ \XPOND Transponder * u; `! o2 e9 A3 x, B XTK Cross track; cross track error. % w$ s. y1 C' t: ^2 XXTKD Cross track deviation 2 A/ R7 O+ ?8 W& X6 h XTKR Cross track deviation rate 5 J. X9 K& J- p1 S* |2 \, q8 m8 DXYZ 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... $ Z/ b% x4 U* Z* v# A0 b2 rY-BEAMS German radio beams used to guide their bombers to the target . k# l1 T: \# J) c: ^9 }! C: n4 ]Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. $ \/ p8 j( X& c _- E& e 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- p" S. T% r) i5 ?! ~ YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. * \/ T1 \8 k7 PYAW 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. {! B1 K4 Y9 a/ z% F( DYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... + }- U; C) |) R" q7 J) v C& [Z Infra-red identification equipment / v; _6 S3 L+ d& B 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... 3 a& E5 f- k: NZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. , l7 b0 W) Q3 x" f/ Z/ z5 y, u Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 4 K, A: }0 |9 j' b4 U3 pZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 8 Z" h) E( j& P |, u ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters ' G7 }7 w* w q' B# e5 ]ZOC Zone of confusion ( ~" Y9 U. W% TZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; % q j# v% {7 B" ?' ^ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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