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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 % w' I: }# y: I2 t+ Y" HTRANSCEIVERS A device that receives and transmits 0 G5 P- y" L! G$ d p TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 9 l$ |7 Z( C* Z% }1 n- F TRANSMIT To radiate RF energy ( V; ?! L% V8 R& J* GTRANSMITTER A device that transmits $ R+ u& T: o, U# K4 O1 Z; g1 O2 y TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. % M! n' Y- r4 e9 Z. E9 Z; P TRANSPONDER Transmitter-Responder 4 ^* w3 z: f- q* K! m% D TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. ( G" I& I: P7 {! \TRE Type Rating Examiner 0 E j( I5 K' u6 jTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. - U; L0 x; {- X9 q8 C7 k q/ D TRI Type Rating Instructor 1 W: J5 t( m9 o3 T2 U7 @8 bTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. : V( J1 V2 f o; wTRIM To adjust an aircraft`s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position. 5 o5 }2 ^$ x# N' c+ a7 `8 R% xTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... / k9 L. T8 X. S( U" R1 X z* {- w TRK Track 7 ]- X5 t% |% C. oTRN Terrain Referenced Navigation; ) B7 R; A J E) DTRN-INS TRN with INS . f: f( M' ~" o+ O8 s+ J: p% m( Z TRTO Type Rating Training Organization 3 b$ @- [, X8 XTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; . z! `4 S0 l6 z# `TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. / z3 W/ |5 D1 i2 `TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. ; o4 U+ O' J- D TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; , A. J# X! f4 J$ y1 D- W5 d6 n TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; " G. }& k+ J: {) z: [8 Y0 i6 E6 i TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ' \, y+ b4 C) e9 {8 h' YTSC Total Time Since CORE 1 Q, D0 A/ `5 ?, Y# v/ p" W7 O& nTSMO Time since major overhaul ~3 c1 n h, R" _2 I& _' E TSN Time Since New (also TTSN) 8 \) Z% }" D# z7 g+ H( g& ?- k& W {TSO Technical Standard Order + j) [- x- o' o7 P- U6 F+ v TT Total Time Airframe & ^* o2 D* D! v" VTTG, TTS OR TTW Time to go, time to station, time to waypoint. ; r0 |% |+ |! ]5 I" Y# aTUBA a jamming device for Freya radar operating in the 70-200 MHz range $ U) H Z5 }8 q3 A' U/ I1 H" eTUNE To set the operating frequency or channel for a device . A# Z; w% N' a# W0 L9 o& j5 [TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. . u' p( q! p$ U9 STURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. / t; v) a: f0 v1 E$ S2 J7 jTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 5 g% z4 K7 i" |; o" B+ 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. ! u3 ^+ V! g. `+ `. ^TWR Tower (Control Tower) 3 F# b1 S: s+ c8 H* N( T$ W 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 E( l" F5 r& W/ F. y6 u U Airspace Euro control project Class U (unknown traffic) 8 e# y( g5 w ]1 _1 u: L% S U/S unserviceable " D5 }* |/ ` ^( ~3 L U/V ADF UHF/VHF Automatic Direction Finding ' k- L. v. } l1 d UAT Universal Access Transceiver 5 P; \. m3 M2 j* b2 X UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle " L- O5 B- L. ]" X X UFN Until Further Notice , ^, ^: B3 l) X) C UFO Unidentified Flying Object % x1 U* o' f, E6 w& z: G8 c, @4 H UHF Ultra High Frequencies (300 MHz-30 GHz) / h& f, `- \# Z( h 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; & S9 b/ U9 J* e* i; P# ]( U& G$ g UL Ultra light, Ultra-l©ger motoris© - s7 j) W! Y% @6 Q* P. E+ y- s! o% qULM Ultra light, Ultra-l©ger motoris© 7 x7 ?& k/ D( \2 ]) a7 VULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... " ~9 Q/ t5 I2 F( W+ t5 UUMAS Unmanaged Air Space (Euro control Definition) [" V e# K9 @9 R# Z; W" D2 e' fUNDER 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... ) S/ \" g" q- c& m UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. , A1 Q( F) `: v 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 ... / k4 z* s$ e4 x1 F: M8 d 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... - n. W) [# r' l' n* T7 F3 FUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; & r/ p$ f( ?# H& g 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... 0 ?; Q \% Y- \- 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... & a2 w& Q4 I2 K: DUNITED 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... + h/ t& R0 q" r' V UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 2 _7 L l. R5 \( j! r: ~4 sUNITS A standard quantity, such as ft or mi; Synonyms: dimension; 2 @. f; E& a8 ?: [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; 5 a2 x. |8 M8 X0 Q& ]8 ~) a4 DUPDATE 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... : ~: X0 `& o# J$ R( K& FUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid ( `5 p4 F3 m4 ~: Q4 }: @URB User Relations Bureau (CFMU) 9 h6 [; `+ I& G4 e$ T USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 3 C, U5 f( Z6 f4 j+ A USAF US Air Force $ S" E, k9 K# z7 M- m; A* [# EUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight " x8 x7 F& q6 xUSG (AL) US-Gallon (3.78 Liter) ' d% `3 O) a6 G8 X$ q UTC Universal Coordinated Time. 4 Y3 R, j; c0 P1 A1 K UTM Universal Transverse Mercator * Z( c( C U; N/ D( Z( rV 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. 3 i4 D5 U& {* h, h% d7 z' {2 ^0 ^ V (Y) Speed for best rate of climb. ; ~6 L5 V1 M6 I- b( Z+ f V1 speed for best angle of climb. 2 ?0 P2 ?; _# E' H4 u5 ]VA Maneuvering Speed (max. structural speed allowed for full control deflection) ! m: j* y4 m) `/ T, b6 R' xVAC Volts alternating current. 2 _! Q1 ^) Y E6 i3 O' c! `; VVAL Visual Approach and Landing (Chart) 6 X1 D% t! \, s+ x; H VAR Variation h: l+ U' l; {1 C% D" m% C VASI Visual Approach Slope Indicator ; o) h6 B6 n0 s! X' J6 [VAT Value Added Tax $ D* w7 O+ H2 j- w VB design speed for maximum gust intensity. 9 I3 n( ]7 N$ o9 }/ X4 p; V0 N VC design cruising speed. 8 e1 |: f+ ]1 I p) n: CVD Max. Dive Speed (for certification only) % d6 E# d0 @* {VDB VHF Data Broadcast ! P$ Z) V" z, _; H1 QVDC Volts direct current. 0 p1 G' k( ~2 |VDF demonstrated flight diving speed. : U% \* s* ^0 _, b8 P8 R VDL VHF Data Link (-n = type n) ' }4 j6 r9 G* P9 z' i. K9 uVEF the speed at which the critical engine is assumed to fail during takeoff. Z: V6 a9 }" z6 K7 A 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... . U$ U* ?& o+ b& 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... ' k6 i% \$ ^1 |! m: y: Y- S+ G% Z2 s$ {VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; ' n" w! V' M% v) N7 ?! |7 d VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ! M: N5 ^+ D: Q! l# P VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; ! O' v$ e2 {% S0 J5 k 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 ... / o) M+ e. w) eVERT SPD Vertical speed hold 8 \0 |" a) R; M3 OVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; , A+ m/ g! x. c( t8 E5 u VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; 6 b. V) F* G9 `! d# v7 p2 J0 k+ d VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 1 D: g. Q) G7 m9 `5 D 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 j( u; f/ x5 B j/ fVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; : G- Q! m9 J/ O& G, u1 CVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. c0 b* b& o/ a* W# M' s1 b6 ]) Z VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; / f% o6 I! k" i% [ VF design flap speed. : z. h% C. K4 P9 b: GVFE Max. Flaps Extended Speed ; E8 b9 L1 E& n VFR Visual Flight Rules ("good" weather operations rules) ) l$ d1 U @ z. R O0 L4 I* p# XVFR 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... # M4 n x# X; d! r* X1 dVH maximum speed in level flight with maximum continuous power. ( u3 {$ Y: m$ b VHF Very High Frequency radio equipment. , n" c& l0 v+ B) ]" y. ]1 s 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... 9 f* w7 ]# o3 _3 G 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... 3 k: P1 V9 B n' r ?( j CVFR Controlled VFR (still existing in some countries) % Q! l7 T8 c2 V! E CVR Cockpit Voice Recorder ) S, a( G5 E, l( M/ dCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. W/ F, }4 Z% E- d$ } CYCLIC See: longitudinal cyclic, lateral cyclic; 5 z1 j9 P! q/ A% U- tD Airspace ICAO Class D 7 K& ~! l, B6 { D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 1 l6 r6 F7 G8 }' z7 ~% e 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... # n \( L6 S* U! IVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. - o$ J z4 L& s" c. CVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 1 ? D! |7 t" r% q) j9 GVLA Very Light Aircraft (Aircraft certification category) 2 ~! O U" n; j. @5 a2 B$ O% vVLE Max. Landing Gear Extended Speed 6 [+ u. J! E+ }5 P/ TVLF Very Low Frequency radio equipment ; M3 N T- N* OVLO Max. Landing Gear Operation Speed * D0 i# |2 \4 ~! n; P8 L VLOF lift-off speed. % E' t" K% I- s! T7 o0 g2 x+ c VMC Visual Meteo Conditions ("good" weather for VFR or IFR) & ?0 h; o2 ~( \, V; g! F VMO maximum operating limit speed. 8 L: ^ N1 f. C3 Z$ ^# LVMU minimum unstick speed. $ c2 h# B, r0 j$ Z VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 5 t U/ A+ [, y& i+ T8 G8 UVNE Never Exceed Speed & ^3 A @! l, U; v# M P* ]VNO Max. Structural Cruising Speed , ^! d0 N( V) s/ }/ S VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... ! [' @6 S$ e7 O* J# @4 pVOR/DME Vertical Navigation (GLS) ; h7 K: _; B9 O0 o0 A) W VORTAC VHF Omni range; - w' z# F+ D& l. D# m, KVR Rotation Speed 2 H# e2 ]( h/ `% P8 D, i2 E0 M& eVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 3 t8 S$ `2 k u+ C0 kVS0 Stalling Speed Landing Config ; Q7 b9 x" B) p. J, C. UVS1 Stalling Speed in a specified Config. ( Q( c, ~6 a8 j" I/ \5 N VSSE Minimum Safe Single Engine Speed 2 B! V# D' W$ s- {# R1 f5 ~ VTOSS takeoff safety speed for Category A rotorcraft. $ z* }% Q' Z$ I- u8 I! e VX Best Angle of Climb Speed 6 V' u1 P7 m- `) e9 tVXSE Best Angle of Climb Speed, 1 engine inoperative ) D& L9 U4 d8 V# `0 M VY Best Rate of Climb Speed $ S4 Z/ i3 D7 ]) ?2 lVYSE Best Rate of Climb Speed, 1 engine inoperative . Z1 U$ Y9 n/ `3 |( @: c- F/ V% dWA (IAOPA) World Assembly 4 n* t; W: ? kWAAS GNSS wide-area augmentation system. : v) u8 c0 u G. k9 D& h4 g; _2 _( Q WANGANUI Colored flares dropped on H2S to sky mark a target + N* \& R- ^0 m# L! yWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... $ G( d/ S3 V! I1 ^' _+ M" R9 x. kWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 8 J/ M* ]2 ^" A' P. O* Q6 b+ r1 tWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; ' Y' D- {5 f2 e 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... ) H' a4 P) L5 u, pWASSERMANN German long range radar with a range of up to 190 Km. ) [, N {7 f9 y0 z9 KWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... ' T/ [- L& B( N6 t: [ F" X) e+ 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... # @( Y; p- B; W: }4 l$ }/ |7 X WAYPOINT APPROACH To approach a waypoint 3 G2 Y- i) N9 S0 ?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. 2 e- p& P; F7 A" yWEIGHT 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... 0 m( @; F( I% i5 C1 b' x& {8 r' x/ pWET WINGS Method for containing fuel in wings without using rubber fuel cells. $ z" k. x4 D* `: u2 }& Y, |" {$ Q WGS-84 Wide Area Augmentation System * u' C7 p8 Q5 z! hWGS72 World Geodetic Survey 1972 : a( t! f$ h4 ZWGS84 World Geodetic Survey 1984 ; R/ }! }9 k0 | 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... 2 u6 [9 X( q" l8 e8 SWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... 6 j- P5 }% u; z* S- k% a7 K6 nWHEEL 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... , r8 D) S' X! h: O7 C, [3 eWHITE BOMBS Nickname for propaganda leaflets. % _; l3 d1 O* vWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft * ?# i2 C! G i 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 _2 G3 K5 o/ ~9 bWIMS System Wide Information Management 0 k7 j9 q- @: q; U WIND BEARING Symbols: B sub W; Typical Units: rad, deg; * W! }1 J. a9 _7 S WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 3 Y. z4 {* Y1 N, b8 l0 Q. }% M3 H2 EWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 5 W$ S: _, D' [, }2 \- E* j ~ 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. 6 e8 ?8 f6 N5 i) u. G7 {' } WING The main lifting surface of an airplane. 5 Q6 T# n" Q, X4 x; u: 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... 9 r- v; S8 q7 _ 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... & ^3 A! S+ ?8 R$ I WING ROOT The centerline of the wing, where the left and right wing panels are joined. $ Y/ G" I5 M/ L a' O/ }' L 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... & y3 D# D% [+ Z' e S3 NWIP Work in Progress - X. z) R8 U& c8 r WMO World Meteorological Organization 6 T& L5 h' [4 M, z JWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; ; w1 n' O& i$ { x: V YWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; " E+ Z! d2 }# k3 tWOW Weight on wheels * c0 r) O& Q% m; R0 nWP Waypoint 1 |4 W- g& L( ~6 cWPT Waypoint " g& K8 y, v5 e$ m% g4 S. P6 A WRAP TEST A test to send data to a device having it sent back unaltered f0 B5 o* k+ Z" CWWII Waypoint 9 t5 b6 f+ w' O2 m WX Weather / R( f2 g: I. {8 e WYPT Waypoint ' l% P. s( R' ^# i1 n5 L9 t WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. * N$ y6 ?7 P* S, C; R* Q X-BAND Frequency range in which most general aviation weather radars operate. * q) j1 o5 c8 P2 @$ g4 G# I$ QX-BEAMS German radio beams used to guide their bombers to the target . y! T* H3 G$ O) q% c& ^ XPDR Transponder. Radar-enhancement/data link box for ATC purposes. . V. o2 Z1 |: t2 f) a1 ` XPOND Transponder 4 Q& _! A2 f6 {" X XTK Cross track; cross track error. ; M j: |$ }) q8 zXTKD Cross track deviation % [! g3 ]0 b4 zXTKR Cross track deviation rate " L1 x. K' e' R0 BXYZ 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... ! Y2 V3 p0 @$ p. s- Q9 CY-BEAMS German radio beams used to guide their bombers to the target " T1 i/ Q- f) X$ m7 {Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. * }* q4 Z; C/ B' a9 I) y" 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 3 U" [/ W4 Y% [: g; W9 K- pYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 3 P, ]) y" p# _* @ 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. ; k& P( C7 J; I1 h8 bYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 3 k. q& z9 ~; P& ]Z Infra-red identification equipment 3 n& R8 q- u2 PZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... 2 b0 _. G# k8 w, Z Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. 8 `5 D1 O4 y0 V' C8 SZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; $ U) n4 U7 m+ P5 ~ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 3 { ?0 l% \* X7 C+ l1 |5 HZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters ( u" W: o. {- J- L* Z9 ZZOC Zone of confusion & D# Y* p c0 a: T8 DZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; . _! e2 I9 A5 x3 W- xZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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