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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 - |! f' V. r* d, s* B TRANSCEIVERS A device that receives and transmits 0 G/ l1 D" f& J& D; tTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time $ _2 ]- K* a+ H5 Q# n2 WTRANSMIT To radiate RF energy " _0 ]/ e2 F% J, rTRANSMITTER A device that transmits . x( I' n" ]) J5 R4 @4 @TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. 4 ?+ ^! |4 P1 q$ _TRANSPONDER Transmitter-Responder " t5 p! i% ^8 Z1 e* E TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. : R8 t: c& p" |6 D; N TRE Type Rating Examiner 8 h1 A5 m% g3 A TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 9 M1 g" E. Y6 P! f J" S TRI Type Rating Instructor ) \; [! h) U( f d' \& i9 | TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. 2 V8 A0 [) P9 L4 QTRIM To adjust an aircraft`s trim tabs and thereby relieve the pressure required on the controls to keep the nose in the desired position. : @8 n' ~( c" i5 y. D TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 6 l+ k4 j- f- `7 N' ?% t TRK Track ! {6 o/ p- K3 k; a0 ~0 `. I9 E2 x TRN Terrain Referenced Navigation; / M& K u0 j, P* E% U' y) ~ TRN-INS TRN with INS . F- q* c9 w+ V+ c! y4 sTRTO Type Rating Training Organization 2 @& ]/ c6 ^' f: i% _ TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 8 J; U2 u o' F5 W, W2 j4 E' mTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. ) g# n; t, W& OTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. ( x1 Y# }, M: s1 Y/ q TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; " f2 `7 O( k) n9 t+ m3 i [ TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; : j. Z9 ]4 O9 N2 e6 M1 z* U) k TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; : y' i4 I, D4 ?3 JTSC Total Time Since CORE $ P7 u2 Q9 Y3 r) qTSMO Time since major overhaul ) { k- P, t- ]' [* v% r& W, d TSN Time Since New (also TTSN) E9 j. E& Z a! g2 ]/ ?* L- QTSO Technical Standard Order $ g: [ l& {6 l. `' o: m TT Total Time Airframe # r4 J$ v, T8 U5 f5 g' i* | TTG, TTS OR TTW Time to go, time to station, time to waypoint. 8 m9 B: K7 X l; \ TUBA a jamming device for Freya radar operating in the 70-200 MHz range 8 w. a' F0 V z- Q- t% J6 r" W8 } TUNE To set the operating frequency or channel for a device ) w# e! w- ~0 [ TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. . u$ C; l& t7 \( O6 U; C, KTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. - D# t" z% h( e8 g+ l" k+ }+ F* ~TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. / l4 f+ U; k1 x8 s! f2 F! e, X 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. ; g1 {0 h' N, o5 MTWR Tower (Control Tower) - e7 z) ~- Z" f+ G# g, r; yTYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... / D$ j# s, ^: D# }; uU Airspace Euro control project Class U (unknown traffic) * P( {! ^+ q* u' W9 n; {U/S unserviceable " R6 G0 p5 k0 h U/V ADF UHF/VHF Automatic Direction Finding ) e( j1 C- c n; _UAT Universal Access Transceiver 0 m( A. G5 N: \+ |# {9 CUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle " `9 }) ]5 ^$ ?; iUFN Until Further Notice ' O2 ~ ~$ D4 X/ D UFO Unidentified Flying Object 5 X" e( e# y& L7 Q7 w1 F6 Y UHF Ultra High Frequencies (300 MHz-30 GHz) 9 e; R% @' }) o" p B' Q 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; + X2 e# `( A8 ^: s; RUL Ultra light, Ultra-l©ger motoris© ! S- z# \+ Z4 z& O: j7 s: Z& p ULM Ultra light, Ultra-l©ger motoris© $ n: D; M! s B/ g) Y K ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... $ i) x c2 M; i! z# s" TUMAS Unmanaged Air Space (Euro control Definition) 8 l& }$ X4 @ n% I# Z' |8 Q+ W8 l 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... 5 A# _9 |6 n- T UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. . S# D. l. s; R0 T* y0 c) @ 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 ... & s! a, X. r* v& s XUNIT 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... : u7 ]& R& t) K/ E1 s9 A" l2 }: X UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 8 H+ K: m( ]) Q8 zUNIT 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... # j8 ?2 I8 v, E 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... . ^5 y; o6 H. |4 c2 e3 G: ]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... 4 Y+ K% u/ U7 W- z- Q UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 4 t2 q6 a1 Z1 q3 V/ z( F UNITS A standard quantity, such as ft or mi; Synonyms: dimension; ; a. c- P# T D7 \$ C0 LUNIVERSAL 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; 9 m3 R0 f) R5 g' `+ W9 G- 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... ( z' L5 ?" F' v1 Q3 w% O! |0 K UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid % z/ J3 n& |: \/ E1 F1 K2 m URB User Relations Bureau (CFMU) 7 Q+ p- T- Z% T6 H& J D USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon ; E! t1 D y3 n3 D USAF US Air Force 1 [9 i8 {" L" ^6 L5 }# v2 OUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight . u- j. H' O+ P) A6 g; o0 X$ | USG (AL) US-Gallon (3.78 Liter) # c7 }( V1 `7 b. z" y% h, g1 i4 DUTC Universal Coordinated Time. - Y+ ^( N; j6 n- P' [0 _! \UTM Universal Transverse Mercator ; S. g8 j& c8 V1 S+ yV 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. : x J% e1 N: P: M3 U V (Y) Speed for best rate of climb. : x% l1 ~+ i% \3 w4 X3 y7 |1 P9 QV1 speed for best angle of climb. + R& ?% A5 O! I5 h1 uVA Maneuvering Speed (max. structural speed allowed for full control deflection) " i8 c, D7 C8 T' |# t1 F VAC Volts alternating current. 0 M$ F& e& K( n1 C VAL Visual Approach and Landing (Chart) % I9 A, G( ~: ~, v4 J! R T' fVAR Variation ' @) h3 [& E7 u1 t( nVASI Visual Approach Slope Indicator 0 b5 B) J( B( R1 n7 M( ]VAT Value Added Tax & v5 U, D8 M, c9 g0 g6 I& @* l4 cVB design speed for maximum gust intensity. - r0 ~# C# H4 _+ r* l9 w. P VC design cruising speed. / P4 W+ d2 I( Z1 H& ZVD Max. Dive Speed (for certification only) 0 ^' V% V! z# n VDB VHF Data Broadcast 2 F# i* ?0 i" C- c8 y9 \' mVDC Volts direct current. - W2 j2 k( }/ g. d1 D4 ] VDF demonstrated flight diving speed. 7 I; I- h* v W0 o VDL VHF Data Link (-n = type n) ' N4 c6 N& g0 }0 q8 M VEF the speed at which the critical engine is assumed to fail during takeoff. ; b9 j9 ]- ]4 x. Q$ g3 @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... 8 A+ _ d. l q 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... ! a0 y% F8 u4 E0 Q& i7 o/ U$ B0 v4 cVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; , V T) S9 [4 Z: u. T5 j VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; . z4 [* h6 P8 U" P4 i5 [7 l' D VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; # r' w, e' E! F. F* U0 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 ... / S- q5 o% T# z5 A7 `5 \VERT SPD Vertical speed hold 9 y: c6 k$ R& {; q, l+ D$ I- rVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; ) b4 N+ v' _% A" I' _8 S: ]# X+ FVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; 2 g/ |5 r9 t* B VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; & E% o+ o% s( k' wVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... R1 Z" A t, h( ?" X% JVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; $ }# {/ i' x. o( H6 ^3 MVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 9 Z4 g) V" G) @ VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; 0 F% k+ X; q3 W) p/ K2 x VF design flap speed. 8 ^8 \4 i4 e( F' [5 r1 _ VFE Max. Flaps Extended Speed 0 ?7 L8 a( D/ R5 c* K VFR Visual Flight Rules ("good" weather operations rules) ! b9 |% l" ]: c6 H, y( D$ Z 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... ' N0 j. W% Q0 ?VH maximum speed in level flight with maximum continuous power. 3 f, O( m, j3 Q: J! K _8 W, T1 b VHF Very High Frequency radio equipment. : c% p5 z& m% V 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... # B4 }; C+ `9 j' W 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... 7 F' Z6 r6 Z2 m" h9 h- I' gCVFR Controlled VFR (still existing in some countries) 5 r9 y- ~" g$ m% _ M @CVR Cockpit Voice Recorder ( Q- s: a5 Z F) \+ E* M* w: MCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. " i5 ~8 G' U0 n, mCYCLIC See: longitudinal cyclic, lateral cyclic; " V* x, {- @9 z$ C. A D Airspace ICAO Class D & @* Q$ o3 e) [" ?. @( i* X6 G& XD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 8 r G s: k6 I9 O( j 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... / B- c( R+ r& u) AVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. - Y# S* o7 d+ q0 o, q: JVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) # o$ |' M" O" I0 c% W VLA Very Light Aircraft (Aircraft certification category) ; {6 {) z; ?, jVLE Max. Landing Gear Extended Speed - V, w. r/ q4 z3 p, n VLF Very Low Frequency radio equipment : _1 o. p* Z1 J VLO Max. Landing Gear Operation Speed . `/ e9 S0 i* |$ eVLOF lift-off speed. - x$ d+ E, b* k, s6 ` VMC Visual Meteo Conditions ("good" weather for VFR or IFR) ! M- L: Z* Q7 b0 F& r1 G$ }# mVMO maximum operating limit speed. ( p( [/ C; V; @9 {* T; e VMU minimum unstick speed. , f- N9 s# Q9 P% g6 f VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. + c0 `- @$ ]2 v) m VNE Never Exceed Speed ) P8 I. w3 v1 E2 L VNO Max. Structural Cruising Speed 2 Y% H; R, m* j VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 8 Y+ T+ Y z( bVOR/DME Vertical Navigation (GLS) 0 e8 |+ g& I$ x1 U" |VORTAC VHF Omni range; & {1 M0 n$ c. R8 p. b. j. s VR Rotation Speed & w) o2 x1 p1 L5 P/ | VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. - v' ^& d [& v8 Y, ~5 h7 d/ p VS0 Stalling Speed Landing Config # s* f0 {, }+ i/ ?) c VS1 Stalling Speed in a specified Config. . D# P/ v6 Z/ I) B! g( c4 Q; EVSSE Minimum Safe Single Engine Speed 6 c) ^( n6 [/ N* j0 U* rVTOSS takeoff safety speed for Category A rotorcraft. $ ^3 @6 T9 Y1 w- [/ c/ n9 S VX Best Angle of Climb Speed % A y2 \* Y& ?$ F" i+ p( rVXSE Best Angle of Climb Speed, 1 engine inoperative - ?# L( J- p% ^. A/ }VY Best Rate of Climb Speed " V1 R' B4 G: T) d2 RVYSE Best Rate of Climb Speed, 1 engine inoperative " w8 I% Y# s) E1 x, M1 Q" EWA (IAOPA) World Assembly 0 O' z! w/ Z% y WAAS GNSS wide-area augmentation system. - { c, D# b$ RWANGANUI Colored flares dropped on H2S to sky mark a target $ t3 H- a8 k# _7 w 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 ... / ^3 R; W7 x; F4 ZWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ! W% j4 g% _# E4 e$ HWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; % o# e% }' @8 v8 S. f% DWASHOUT 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... 4 A) P( c5 | W* {, ?7 [& \% [& _ WASSERMANN German long range radar with a range of up to 190 Km. 1 w$ F# H# y3 O/ x3 c; Q4 ? WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 5 b6 c& n$ W2 G, 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... 5 O- H! c" I: J# | u3 T- u# p, U WAYPOINT APPROACH To approach a waypoint : N- R3 k2 e0 `3 p7 uWCA 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. - I1 E9 K! ?, J" g7 r/ z1 x( eWEIGHT 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... 2 i( n9 o3 n, p& i4 u2 D" S WET WINGS Method for containing fuel in wings without using rubber fuel cells. 3 |! C# Q9 X8 }& j% R+ E/ X WGS-84 Wide Area Augmentation System * c0 E7 n1 x+ Z$ \# ~; e1 Y( `WGS72 World Geodetic Survey 1972 6 E5 H# R; I7 X. `8 C WGS84 World Geodetic Survey 1984 5 N0 j. `. ]6 `& i4 NWHEEL 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... % r: R, T+ U U" H" ^" f2 { 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... 5 W! o% F/ U/ W$ f) g# _9 E5 J2 rWHEEL 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... % l: K3 I* k5 v0 I7 X WHITE BOMBS Nickname for propaganda leaflets. 9 X9 `2 O; y" yWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 3 ~7 x q" j& |0 \4 [5 Y 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 3 a t) A8 l" w, f6 @) | WIMS System Wide Information Management " C7 C$ C% @, a. g9 B3 y! qWIND BEARING Symbols: B sub W; Typical Units: rad, deg; . @+ U e4 p1 G$ f2 W. v" dWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ( r# b/ ^/ D& M4 {" q2 a WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars # x S/ R8 K6 L, c i3 ?0 s( B8 y+ vWINDSOCK 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. $ ?" C4 p0 ?& S A( b WING The main lifting surface of an airplane. " m1 f4 }4 a9 f7 rWING 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... - ^" c) M* K& F9 WWING 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... $ A7 k C) M3 e. Q# z- m! iWING ROOT The centerline of the wing, where the left and right wing panels are joined. 3 b% b8 S1 m6 k. Q, LWINGLET 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... ! B" _- |4 ~, M' X WIP Work in Progress k9 G2 o" K1 FWMO World Meteorological Organization ; l9 S5 U2 m7 L3 rWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 7 ?, V, k! u8 J* ^WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; & W; e. ^- E U2 M) c/ K. F WOW Weight on wheels D! H" x& C7 `8 F+ H9 FWP Waypoint & M# p ]% l2 `5 E; z* m! v+ J/ b/ W WPT Waypoint 3 a- h8 G" s# J# j( O WRAP TEST A test to send data to a device having it sent back unaltered " e3 Q: X4 D7 B" T, R$ @ hWWII Waypoint 5 g8 k) m# ]! i J- v! C) c7 ~WX Weather * F# e0 ]) z. l5 l2 |4 ~ WYPT Waypoint " Z( M/ M E* h' z& i( { H7 @ WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. ! l. b6 ?) y5 n5 C9 `, z5 `X-BAND Frequency range in which most general aviation weather radars operate. 3 c8 B7 b+ D' H" a" y: |, E: A- G X-BEAMS German radio beams used to guide their bombers to the target 7 j! f% V* p4 I9 o2 Z4 ] XPDR Transponder. Radar-enhancement/data link box for ATC purposes. 6 a. B2 @, w$ [3 _+ K5 \XPOND Transponder ) N/ C6 |8 k7 T2 U" t& SXTK Cross track; cross track error. ' t# C- d8 p: e, T( F) yXTKD Cross track deviation / m# V& y9 Q. m/ ]: SXTKR Cross track deviation rate D2 ]+ j; G- G* S: Y+ m% ~ 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... 9 I# B( \2 O0 f1 t8 ` Y-BEAMS German radio beams used to guide their bombers to the target " k# t& x7 D( e) ` Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. / z. B6 Z6 {2 L% [5 p# m+ \, v3 c% Q 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 ) T0 [: v; s( P' E8 A& Z YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 1 W! L3 s, c+ M9 N( N' g9 HYAW 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. " M% h! M z. L, R 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 U# i9 F4 [6 M. G; mZ Infra-red identification equipment % G3 u5 e7 u7 y 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... 8 _. U# n& s% C/ `" i Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. . b2 _# p# a+ E I Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; ) j& Q! [5 d2 T ^7 r% v ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft $ Z! E3 q' F9 m2 S ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters ( h- T. c7 r+ s1 P' t1 r ZOC Zone of confusion 7 I# a: V0 E6 T5 i7 {3 y ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; ' f2 w$ b3 C q# T: |' r, A5 u ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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