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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 7 J0 m6 Y" ] H5 r U" {4 UTRANSCEIVERS A device that receives and transmits , O; b* Q9 H6 [/ \ TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 4 o( W7 L' X5 m2 _, v0 dTRANSMIT To radiate RF energy ! Y. L, o6 a: c* H+ E% n4 E. x. ] TRANSMITTER A device that transmits 7 N$ ~6 h: a" k9 c; A2 oTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. 4 V$ p4 o8 K+ k) e9 w% tTRANSPONDER Transmitter-Responder - h/ |% Z% M6 c. ~% d1 k: R, ?' DTRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. & n# L* J3 U0 f+ K3 ~TRE Type Rating Examiner 9 Q1 _; I; q/ D; c2 uTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. $ E/ V' i7 ]1 r! ~ T9 n5 S TRI Type Rating Instructor 4 [. e8 a0 |+ x: r1 h0 Z* s2 u1 aTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. , C+ f g& r9 NTRIM To adjust an aircraft`s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position. # X% Z) X' d" K4 v7 D/ V% VTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... + L8 n Z1 U; [1 n TRK Track 9 |5 c3 F5 U2 Z& i. qTRN Terrain Referenced Navigation; / [6 z4 O9 j' yTRN-INS TRN with INS ' d( }* v# c. ?* j7 T) Y TRTO Type Rating Training Organization / C' s0 ?4 E0 N! ITRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; % [! m; M& u& \TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. 6 R: J) q1 M9 x, T ?* YTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. - p# A5 R, F; Z; i$ c TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; , [: Q% ]9 R' t. ~- A- {7 H1 ` TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ) A, |! |2 J) K3 r& s2 FTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ; j6 K, `, U8 u' S) K: l4 D% U" J TSC Total Time Since CORE ) J* O1 U# ~# i. U* M TSMO Time since major overhaul + w7 ?* V! X3 P8 i1 B6 w7 WTSN Time Since New (also TTSN) 1 t9 }" ?5 w/ S3 ]' a TSO Technical Standard Order : L$ y- Q( l+ | W2 f TT Total Time Airframe . C, M2 I$ C. q: iTTG, TTS OR TTW Time to go, time to station, time to waypoint. # t8 ]9 O% u6 m# i8 k TUBA a jamming device for Freya radar operating in the 70-200 MHz range ! c! d, M, `) NTUNE To set the operating frequency or channel for a device 4 k9 _7 {/ z" E# } TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 7 K7 v0 w- O i FTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. # `% Y# |- G) ~1 a TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 9 {" u+ \, Z5 P: ?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. 7 {# A6 }# U8 U- F- S* c0 iTWR Tower (Control Tower) : [& h2 B5 d \0 N" G 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... " O0 n( O7 F# |( ~5 o7 u7 `$ ^ U Airspace Euro control project Class U (unknown traffic) ' p7 ~/ i8 p4 b) G2 `U/S unserviceable * u; q# ]! F* ]$ J6 n U/V ADF UHF/VHF Automatic Direction Finding 0 i5 N- ^ Q) W: L0 dUAT Universal Access Transceiver ' R8 b) L# ]) d" a! Q3 h! CUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle . O8 W$ |- i6 H+ e+ S- A UFN Until Further Notice 6 b, L1 Z! E6 ~7 M5 Z; I* ? UFO Unidentified Flying Object 5 ~% x5 K+ Q2 j. x( A3 N5 [5 I8 _* ZUHF Ultra High Frequencies (300 MHz-30 GHz) - D9 b% b9 m# E5 j 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; 6 c4 c' \! v. b( M I' \/ zUL Ultra light, Ultra-l©ger motoris© C" i! v& L5 T2 F1 s* uULM Ultra light, Ultra-l©ger motoris© ; X& K7 @3 t* n: `( I5 B ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... . x9 ?( N) r* v3 n' YUMAS Unmanaged Air Space (Euro control Definition) * }5 f3 [; p* O9 }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... ; q Q5 Y0 V! K9 h3 h4 F1 H5 o' c UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. ' [- t" y W" O0 q: vUNIT 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 ... & X6 F: o L) Q4 e$ v+ h" LUNIT 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... ' b/ q, i0 s3 @$ n F% i: P! F$ O4 ? UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 5 H; y. Z4 ?+ D, D: e3 H: p- y 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... 6 N0 G: _. w& \- l 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... + {: T( C7 f7 m: X$ M: } n6 zUNITED 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... : P. f- D, P2 @5 ^; i! IUNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 4 C$ n7 i" ]3 a' N2 DUNITS A standard quantity, such as ft or mi; Synonyms: dimension; / \$ _, ]( f. R, `) w2 rUNIVERSAL 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; : ~/ Q. g! K ^& P( AUPDATE 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... 7 C8 O7 b& O: o2 ~ v! a) e UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid & R9 k O% }6 C/ N, C: P+ A8 AURB User Relations Bureau (CFMU) * `- q7 F- U/ q. A7 YUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 3 k/ t/ v6 Q, v USAF US Air Force ( s2 a* f' t% e# H5 [USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight ! {$ C: m+ v0 w; Y5 e$ \# |USG (AL) US-Gallon (3.78 Liter) & a9 J4 E7 A, z: x8 s6 x UTC Universal Coordinated Time. : u |9 z0 i' T2 \UTM Universal Transverse Mercator ' X. D. }4 `& ~! b# 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. 1 M0 b1 ]* l8 E! x" _! RV (Y) Speed for best rate of climb. + }. J1 @6 k2 h0 ^1 Z( S( u8 Z V1 speed for best angle of climb. ; [1 Q0 c1 B. [ K0 p" ~. @1 S VA Maneuvering Speed (max. structural speed allowed for full control deflection) 4 ^7 K' D$ j" G/ R' e9 `6 I8 m" gVAC Volts alternating current. 9 e3 `% i; D2 b& ` B% RVAL Visual Approach and Landing (Chart) 8 e" b+ C7 O. @; M: a VAR Variation 5 p7 @) `& H$ u& MVASI Visual Approach Slope Indicator ) I- u" D3 w3 _6 t! z7 I2 k7 C VAT Value Added Tax 8 T+ l: y0 `. N( ^5 b. V i% A VB design speed for maximum gust intensity. b7 ~- Z- T0 p VC design cruising speed. 4 F9 s9 `- D* @, z- D6 x VD Max. Dive Speed (for certification only) 2 \2 G7 Q! m3 ]VDB VHF Data Broadcast ' x7 k- t. n _ K2 o+ m# b VDC Volts direct current. + `: N# o9 M. m& G VDF demonstrated flight diving speed. # f) D/ t7 X' g8 U+ w* m/ Q VDL VHF Data Link (-n = type n) 7 M* q4 E6 c- Z _7 Q* ~& i0 h VEF the speed at which the critical engine is assumed to fail during takeoff. , f, W0 ^" y3 I& i; r _* ? EVEHICLE/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... 5 R% E8 I1 H+ {% F. C( Y 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... 3 `6 C9 z% j7 b" C! xVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 1 k3 N) M( {" p; W: W% S: JVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ' G6 o% j0 O9 ]/ a& B9 }1 i( {0 IVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; . } t1 c4 W% U8 ?7 bVENTRAL 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 ... " C2 f5 L, C, I r. t' a. M VERT SPD Vertical speed hold # f: T9 R J9 p5 W8 i VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 0 N( Z$ r, W0 W4 k0 M% v- h* h3 M VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; - J# K2 P* a, ^7 w8 @: G2 OVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; ( j) r4 E$ h( ~! k4 b VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... " e3 o1 d9 j% Z: f6 ~7 Z& \2 \ VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 0 {! H7 j& W6 d7 v8 n. u VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 0 i( c3 C# N/ F7 y$ L$ p' _* i VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ! g) m- e$ Y5 S VF design flap speed. % J/ R# w! k0 WVFE Max. Flaps Extended Speed 1 q9 ?; g, `& o( yVFR Visual Flight Rules ("good" weather operations rules) 0 B# ^/ J0 E0 n, v* b* eVFR 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... : c5 s% Z* s+ }3 H/ P VH maximum speed in level flight with maximum continuous power. / s7 Z+ k, l7 C! X* Y* a! k; A: s VHF Very High Frequency radio equipment. - r5 }2 [9 ]6 i; `+ w V8 D" D" uVHF 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... - ~$ R% w1 {$ f$ T& Z; o: D. Y 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... 1 F1 j" B! p1 J: L0 r. Z CVFR Controlled VFR (still existing in some countries) " \6 ^1 H7 I6 ^) ~CVR Cockpit Voice Recorder ' U* o4 c+ O! y# RCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 4 x: Q' V1 @, G. @8 i CYCLIC See: longitudinal cyclic, lateral cyclic; . T- I C3 P+ P- v: T. PD Airspace ICAO Class D ) N/ D5 Q2 }9 MD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) . }- Y% y. H, Q0 x( P |: _ 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... ( j$ V$ j- P0 v2 [$ y$ `- qVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. / X0 I# {6 Q2 `' w VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 7 @8 E& R0 k* S9 {: h8 A+ y5 h VLA Very Light Aircraft (Aircraft certification category) ' f: P3 R6 S# S" PVLE Max. Landing Gear Extended Speed ( ?. R8 T; f( E6 w% @VLF Very Low Frequency radio equipment 4 X0 U* X! P& L! x2 p5 YVLO Max. Landing Gear Operation Speed % E! G# b5 W- H1 H/ d VLOF lift-off speed. 5 o2 M8 ^& B2 G5 U! UVMC Visual Meteo Conditions ("good" weather for VFR or IFR) $ f3 j& m6 U- x1 L# u+ M9 P) M7 M VMO maximum operating limit speed. & l6 o2 `8 E% f" gVMU minimum unstick speed. 1 o) \3 B+ }3 fVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. " t) u! c: @+ y% h, D" O VNE Never Exceed Speed 3 ?7 a0 r6 m$ }% [VNO Max. Structural Cruising Speed ; z' M, Y$ K. M3 G VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... ' A" q h8 u: k# H VOR/DME Vertical Navigation (GLS) . d K, Q3 O6 F; X; _+ p1 B( ZVORTAC VHF Omni range; * J6 Z! u! F7 s8 r) I+ [6 JVR Rotation Speed ! o" t9 Z6 d, [. y9 G( mVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. : k2 y- O+ J. XVS0 Stalling Speed Landing Config ) ^. n% m& }9 RVS1 Stalling Speed in a specified Config. & p3 r; t. u1 u# j+ ^& S1 U VSSE Minimum Safe Single Engine Speed / B. O N: t+ jVTOSS takeoff safety speed for Category A rotorcraft. & G$ I2 e/ O/ v5 w8 x6 {VX Best Angle of Climb Speed # G$ E9 D- T% U9 B2 U+ F VXSE Best Angle of Climb Speed, 1 engine inoperative 7 |9 F7 E- M) d. z4 Y: m8 a VY Best Rate of Climb Speed 2 I1 }6 k, z0 K1 _# _ VYSE Best Rate of Climb Speed, 1 engine inoperative " f/ V6 f( M0 G6 s& i WA (IAOPA) World Assembly 3 f, g. |1 R0 L, u( S8 w8 yWAAS GNSS wide-area augmentation system. $ q; u" V( \- i( |/ b WANGANUI Colored flares dropped on H2S to sky mark a target - q3 ?. i2 I6 }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 ... 6 ^9 Y2 U7 i* h2 P# ^( E WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 8 M$ c/ L. w. C* J# c% e2 r% gWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; / h: l/ D! ?# t- Y( o9 a5 iWASHOUT 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... ) U* L* y, k. K$ h( TWASSERMANN German long range radar with a range of up to 190 Km. 6 n. W6 V2 L( S9 Y WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 0 B. U( j* Q5 T0 JWAYPOINT (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 o" u+ E1 j' r( a WAYPOINT APPROACH To approach a waypoint + Q# r% Y( j. Q* ^/ R( RWCA 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. 1 u, G+ M* L( ]/ A9 p7 dWEIGHT 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... " b/ _2 L0 B6 c4 h/ z7 U* hWET WINGS Method for containing fuel in wings without using rubber fuel cells. / z4 L% r: T4 b3 J0 l WGS-84 Wide Area Augmentation System * J. ~, q- H* _' e2 SWGS72 World Geodetic Survey 1972 ! `+ o8 _" x1 W8 w; [* k. @WGS84 World Geodetic Survey 1984 % S* D8 ]% i3 w+ mWHEEL 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... . Q* L6 K1 L9 O6 P. n# G0 i 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... % i1 e8 }6 |- 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... ~' E7 ]: J0 B! G2 ~# c. r/ RWHITE BOMBS Nickname for propaganda leaflets. ' _- e& @% e; F, R0 QWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 9 O( k& x) D2 I8 O. p2 M( ?/ X! x' k% V 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 1 w! |7 m' h& a! S" E WIMS System Wide Information Management ' m8 {+ U2 I$ z! P- M WIND BEARING Symbols: B sub W; Typical Units: rad, deg; 3 i# j1 ?' S g9 \: I7 W7 _WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ) T: R i0 A0 B WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 5 @* h3 E6 z1 G! N 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. 9 ^7 a2 q+ S( o) {3 r) y/ z( ZWING The main lifting surface of an airplane. & X4 Z3 h) ?3 T6 u 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... r. {) I$ S, M 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... ; W* Q1 h. }, i! Z WING ROOT The centerline of the wing, where the left and right wing panels are joined. / g( l' _( R2 R4 vWINGLET 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... 3 h" k" n+ g. }8 S2 g/ J WIP Work in Progress ) v9 p/ j) ~! Z' g) @ WMO World Meteorological Organization ; y& L: a5 X) ]) L4 W! a3 rWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 6 b; S& y/ j& P2 h7 v WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 8 z4 I0 m( [( _0 y6 k3 [: l6 u WOW Weight on wheels " Z/ E+ e/ x. I$ I. KWP Waypoint M( Q. s9 g6 n$ q) r$ n/ Y WPT Waypoint : @6 K& G* j* i, Z+ c WRAP TEST A test to send data to a device having it sent back unaltered Z2 p# M/ M8 n/ n' P WWII Waypoint 6 l: V5 A3 w% { WX Weather 4 U5 P5 X$ \. q; Y0 K WYPT Waypoint ) w Q$ a9 L2 VWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 8 l2 P1 S8 t& S( L9 f$ j X-BAND Frequency range in which most general aviation weather radars operate. 0 e. p q, K% y- }! X( @X-BEAMS German radio beams used to guide their bombers to the target & X! {; y/ o- K. B. c/ a. A/ i XPDR Transponder. Radar-enhancement/data link box for ATC purposes. 9 K1 {$ G9 x+ Q XPOND Transponder - H* u1 ?4 n5 P4 q9 y0 R XTK Cross track; cross track error. 5 ]0 B$ J9 P& W; s: f XTKD Cross track deviation ( H. C+ O8 S0 E n; O, ~ XTKR Cross track deviation rate + `9 t; m/ r4 e- k$ \ 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... ; Q2 [4 `& ?9 |Y-BEAMS German radio beams used to guide their bombers to the target ) F: O/ Q" E$ {$ z1 X Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. 2 Z! L& v5 o/ z9 M5 M0 s 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 1 L7 ~2 T% s( X& k, d YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. : a( l$ X; H6 x% V 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 H" r+ N% ?# d( h# {YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 1 e$ Q: Y% J2 k! m3 N Z Infra-red identification equipment : ~, k, w5 z8 b* L 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... 0 w" }; y) }6 E iZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. 9 i: j: ?; g; i# g0 C3 t. P Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; T' T1 r9 L% U: H ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft , [- @1 W! |, p& H( B' e8 C# \, OZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters % m- F- o" Y; q( m- k; n ZOC Zone of confusion ) T$ ~: ^' ~) H- Q$ ~7 b eZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 0 H( o6 w; A0 {; q v9 @ FZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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