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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 5 Q: S/ ]* i! O" s5 Z+ @TRANSCEIVERS A device that receives and transmits # Y8 H, U4 O. z+ [- ] TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time , P! C$ E5 }0 [' TTRANSMIT To radiate RF energy + f* e3 `6 L/ U+ i7 } TRANSMITTER A device that transmits 0 n% ~0 c! u. _TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. " G+ x1 u6 `/ X( {% K! a TRANSPONDER Transmitter-Responder ) e8 l/ c* ? {; F2 V/ B% L' GTRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. ' d' a/ O7 v! L- `TRE Type Rating Examiner 9 g; X" c. v* v8 @# fTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 5 j3 R, g+ F, @/ G* \9 v% QTRI Type Rating Instructor 5 s0 S) u) n- q: [4 u, E( C! E! \! c TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. : I/ C9 o9 ]: Z6 B1 p" p" | 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. + y4 k( u: d6 ~6 r4 T6 I0 I% c2 QTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 8 l# {0 h) r- u& z, t& Q TRK Track 9 j) X: Z, h" ~( I8 e9 XTRN Terrain Referenced Navigation; 7 D! U1 `+ o5 a1 E# @( l; h# jTRN-INS TRN with INS 6 R, n& Q( v9 T- R9 d+ lTRTO Type Rating Training Organization * d# G7 m, m' O0 C9 W9 a/ f9 v; {TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; ( S" B6 f$ t" A9 ^3 G7 a8 N$ DTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. ( o: D, T* t; Q' a TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. * T5 E% n9 v, }) K: ]2 ]TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; / b5 j1 o( | L6 y( @+ [$ P6 e$ _ TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; 7 W2 }& k" j- \# l. B4 i. K TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; 6 J" E. A t& k8 B" |+ i. @- UTSC Total Time Since CORE & t$ [' O( B9 x6 O- i) [ TSMO Time since major overhaul , e9 [$ Y. }5 x3 C( \1 q! X) ~ TSN Time Since New (also TTSN) . v! g/ {1 i- R0 [) G V5 g ~TSO Technical Standard Order 7 Z# w; y2 z: e i3 C TT Total Time Airframe 4 b+ K. T& f$ X) E: }TTG, TTS OR TTW Time to go, time to station, time to waypoint. _2 z i) A2 BTUBA a jamming device for Freya radar operating in the 70-200 MHz range + t- W5 G3 H) X1 O" z3 uTUNE To set the operating frequency or channel for a device ) c$ ~+ ^0 Y" |1 @ TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ) O9 V5 q: |1 z; t# D TURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. . S% C* a( T% hTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. & ?( F5 Y3 b7 M2 Z' {- HTURBULENCE 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. # G! Q" L. V8 F, ~1 x TWR Tower (Control Tower) 1 u# g" Z2 O. B% ?8 s# cTYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... & ]% Y3 n+ W1 L4 Y1 u4 G U Airspace Euro control project Class U (unknown traffic) # J. X$ t9 a/ j U/S unserviceable 2 @1 f% s( e2 X7 r# h7 } U/V ADF UHF/VHF Automatic Direction Finding 5 Z+ [& D& X3 b" V UAT Universal Access Transceiver % `# V8 `# f6 T, ?2 c UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle 3 Y8 e8 e% ]- [1 t- b2 R UFN Until Further Notice # _7 h7 v) K6 M9 ` UFO Unidentified Flying Object 3 [, i, `" J+ ~+ w9 s% B UHF Ultra High Frequencies (300 MHz-30 GHz) 5 a" D4 n" ^: w3 G6 W 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; ' ]7 r6 o. @9 d) Z, N* n. L UL Ultra light, Ultra-l©ger motoris© 4 R0 ?" P P0 ?6 a4 v# `+ ]% ?1 oULM Ultra light, Ultra-l©ger motoris© & a h+ o- X, c5 A/ Q, I% D+ l ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 9 E1 V9 I1 r" [! c% u% ]+ t UMAS Unmanaged Air Space (Euro control Definition) ! u" W& E' i9 V: u# A 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... : {: L0 \5 b* }' N% bUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 0 q0 l5 L: u' \8 X, XUNIT 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 ... ; `2 `* R- Z: s0 X* {/ ~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... ( Q& B* z, b5 U* F% }1 d aUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; " U1 |( {3 R/ M- b7 G3 n 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... . a& E; R/ u4 B1 F 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... $ v9 l5 p1 p0 S* _/ K4 Y 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... " T! V* e' Z" |% L: [ UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. ; _; C* i' }% |1 [ UNITS A standard quantity, such as ft or mi; Synonyms: dimension; ' `# S/ Z6 }7 K4 F, L2 q' X. R9 T 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; ; E. ?% T0 z( G$ k9 q, G9 m! b4 SUPDATE 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... ! T( y2 c) X' ]8 T2 ] UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid ; w% z! H+ c( ]2 n URB User Relations Bureau (CFMU) : c8 o) d6 G5 Z" Q% L USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon : A% y& b3 `: v3 {4 m" h8 [ USAF US Air Force / B* Q5 I! R* X8 P- p USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight * o/ O# l+ g4 k* S/ L9 J9 cUSG (AL) US-Gallon (3.78 Liter) : Q H. Z) Q- z% Y# x: d- n UTC Universal Coordinated Time. $ y' |0 \& e" n" CUTM Universal Transverse Mercator / G( y5 z1 ^$ i, A7 p) 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. 9 A9 X# b5 J4 JV (Y) Speed for best rate of climb. * ^7 D: E' N! SV1 speed for best angle of climb. 0 u' L0 r6 g+ J' S VA Maneuvering Speed (max. structural speed allowed for full control deflection) * u) p: `# q L: P3 _ VAC Volts alternating current. 3 i) A1 k* @+ p' @ VAL Visual Approach and Landing (Chart) 5 \9 f1 [! u w; {8 N9 ^( j VAR Variation / {; E# E- ~9 H. w" K VASI Visual Approach Slope Indicator 7 O; i+ O0 {% W' v; U8 H) z5 MVAT Value Added Tax 3 K' i) Y% ~2 k G: [VB design speed for maximum gust intensity. % J# P8 ]& ] _ VC design cruising speed. ( G6 G% P3 e) W: W' f, U7 _) l VD Max. Dive Speed (for certification only) ' p8 k: L* b& T S/ t8 l# X6 { VDB VHF Data Broadcast % Y. N+ z2 Y3 u6 L; k3 FVDC Volts direct current. # Q4 Z- R' E J VDF demonstrated flight diving speed. ( e8 N# Z9 {7 v" E* i VDL VHF Data Link (-n = type n) 1 U& r- T9 K5 ^3 O3 aVEF the speed at which the critical engine is assumed to fail during takeoff. , w/ f. _% c! G- R9 |1 ?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... ; K5 ]. E- q* _& Z& ?$ 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... . m, [$ V3 g7 D7 _0 w2 yVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 7 e: l! F$ X2 l. `. Y VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; % F" G# H" _5 a) ~6 m* o8 d S" lVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; ( W8 q" F8 B: H 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 ... 9 ?) l, Z" U( F1 YVERT SPD Vertical speed hold . E. C l3 R: k- K; EVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; & F. j$ z9 D: S1 ] VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; + ?: B, ?6 ~; [. e. E VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; / |& l/ g) T. s! n VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 1 X; C! M+ h `3 H* @ VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; / A8 r; k# y+ t3 \9 h9 J# W VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. Q6 E5 R% P T, ~0 ~6 i VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ) ^) N) R6 z% g0 ^VF design flap speed. 2 e' v8 M9 | y. y% I( P$ V) r9 K( k# aVFE Max. Flaps Extended Speed 8 j0 C2 v. o( I# \0 r) z6 @ VFR Visual Flight Rules ("good" weather operations rules) 0 y: M5 n; S aVFR 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... ! e/ [+ x9 c% \# WVH maximum speed in level flight with maximum continuous power. ; i" ^6 r9 M% M0 w VHF Very High Frequency radio equipment. # y* N: Q* W* b0 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... ( K) r* t1 j0 f& m0 j 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... % g) f4 X: `% K' N1 @( ^* jCVFR Controlled VFR (still existing in some countries) 0 }; \3 ~! e3 D7 Y5 |7 o CVR Cockpit Voice Recorder 9 T F; W) b1 R1 [5 WCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. $ V3 v. U" Q; @/ UCYCLIC See: longitudinal cyclic, lateral cyclic; 7 C/ f s. S0 r! M& C8 [ D Airspace ICAO Class D - L* ^9 }' V2 ?D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) . p% k( Y& c" O; E& j# d7 I! r/ s 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... 1 n1 b n( b/ |7 y7 `) R VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 3 V" [" u8 |: MVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 5 M0 E" e& l1 [& {" N) S( a( T. V" [ VLA Very Light Aircraft (Aircraft certification category) 5 G6 H4 _+ {! P$ s9 F5 k VLE Max. Landing Gear Extended Speed " ~1 L$ x! w4 L; V VLF Very Low Frequency radio equipment 1 } G* U# y3 z6 D: {5 W: Q8 Y VLO Max. Landing Gear Operation Speed & Z4 m* L& K: ] VLOF lift-off speed. $ W1 f% h2 U5 e- H VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 2 O( G# i% Q0 @2 r3 Y0 L VMO maximum operating limit speed. ! i' ?! r' u0 ~9 x9 T) P5 Z# qVMU minimum unstick speed. 7 h1 A/ R s% `! C: v9 ?VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. + h, w3 `8 T8 H3 l% L VNE Never Exceed Speed * S% D' U& s8 U6 sVNO Max. Structural Cruising Speed + U+ ]* W( [+ FVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... ; F, Z, I' M6 F; P2 @8 d% tVOR/DME Vertical Navigation (GLS) m, d: ]3 e- p VORTAC VHF Omni range; 8 K- W. o% `! c5 ? VR Rotation Speed - r* Z3 S+ Y% _4 @8 j! Z y% ?% SVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ) ~1 M! C w8 o- b; U+ TVS0 Stalling Speed Landing Config 3 r2 Z* u1 X: ]) r+ R. B6 h' eVS1 Stalling Speed in a specified Config. 5 ^: W% B2 w; A* NVSSE Minimum Safe Single Engine Speed 2 A9 A- T* l Q) eVTOSS takeoff safety speed for Category A rotorcraft. 9 _" `& D/ s9 O3 c& K3 y- XVX Best Angle of Climb Speed ) @* v X( K& Q. P1 w0 G VXSE Best Angle of Climb Speed, 1 engine inoperative ' O5 I' j' u+ r( \/ N; l VY Best Rate of Climb Speed 8 M! A& Z p( k( D6 [( W) nVYSE Best Rate of Climb Speed, 1 engine inoperative : h$ }2 u* r/ y- H WA (IAOPA) World Assembly * u. o7 u- Z1 l% ?3 O! {8 ]; r2 ` WAAS GNSS wide-area augmentation system. $ z; l4 [- P) p) c8 z' ~) c- FWANGANUI Colored flares dropped on H2S to sky mark a target 7 F6 h1 ]0 { j- v4 p, a! iWARNING 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 S: J' k; w7 y Y WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 6 P. N; M5 X+ L/ `2 V 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; 6 O4 C L7 p( C2 \ Q4 l% c0 p Q9 j2 b7 ZWASHOUT 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- G! w8 {) g4 B* w0 x% J+ }0 eWASSERMANN German long range radar with a range of up to 190 Km. 3 f) B6 i) S. z0 ?3 O) ]WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 8 {. x, \) J/ l: o 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... ! x) l4 w% E* \& d2 t5 EWAYPOINT APPROACH To approach a waypoint 4 Y0 K7 @3 `9 X0 { 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. ! E& \" U, k! N9 u( _1 [, {2 lWEIGHT 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... 4 z0 D# S* r5 M& XWET WINGS Method for containing fuel in wings without using rubber fuel cells. ' R) n. Y0 L# I* M# s8 P. v/ D. k5 pWGS-84 Wide Area Augmentation System : Q4 y% j8 o& Z6 D# f- D WGS72 World Geodetic Survey 1972 % X& N* x$ }: M6 A) l, z! @8 k WGS84 World Geodetic Survey 1984 ! g" M/ a& w5 O& q( _0 w3 n) F. GWHEEL 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... 8 N2 q% J: d( D) x+ Y+ L! Z 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... 0 _$ J& U7 {$ B& V, ?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... 9 a5 C: N; S4 F- i# @3 dWHITE BOMBS Nickname for propaganda leaflets. 3 J6 T8 ?& w) R( r; Y0 M+ s WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 9 \, z6 h$ u9 v2 l6 cWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror 5 Y7 H$ T3 p4 v3 p( c! HWIMS System Wide Information Management ( `: u$ i$ x4 o! TWIND BEARING Symbols: B sub W; Typical Units: rad, deg; c: G* N5 p' C+ I# N$ V3 ?1 C WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ( ]1 U+ R7 `* ^! v3 OWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars # |* b: S2 {3 i! ^4 I3 o4 q: dWINDSOCK 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. # k2 q2 p/ [4 Y WING The main lifting surface of an airplane. # o0 Y& q1 I6 i; q/ X4 x: [ 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... ! Q# i: Q! S8 a5 o4 p9 @8 N 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... & I$ A# ~2 P+ S! w [1 f" R WING ROOT The centerline of the wing, where the left and right wing panels are joined. / P; L6 W$ c3 G% `2 TWINGLET 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 U5 I+ Y$ u8 Q! JWIP Work in Progress V( W5 Q. J: s" ~( f3 k, p WMO World Meteorological Organization 7 E: S( E1 T' z WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; : g: A* P6 M' x: y: ` WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; . G% r2 O3 p: VWOW Weight on wheels - ?& W( `8 f7 o# E' G) j WP Waypoint ; e a1 F. m2 c' S* E' w8 F3 [7 u WPT Waypoint * o( O Q" l1 a; XWRAP TEST A test to send data to a device having it sent back unaltered 7 a) c: u# N9 g- h, L$ U' m WWII Waypoint " M& \7 @, G2 b: K* `% d! E" EWX Weather + m% u" n5 m1 a, \4 H4 M WYPT Waypoint , Y( G6 H% T6 b8 }6 W" D* L WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 2 F) o I r$ |2 A X-BAND Frequency range in which most general aviation weather radars operate. 6 h3 [. O% j# w w% iX-BEAMS German radio beams used to guide their bombers to the target / H8 u9 x- d/ {' q RXPDR Transponder. Radar-enhancement/data link box for ATC purposes. , |# h0 o" \, H$ jXPOND Transponder b! T- ~# L+ r8 K' q; c# i XTK Cross track; cross track error. ! f) h* G/ l' }6 B8 MXTKD Cross track deviation # l! ~9 o! b5 T' }) x3 m' O XTKR Cross track deviation rate $ {) W* ]4 d4 P6 j7 G 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... 8 X, S5 c0 A$ T+ }( Y/ uY-BEAMS German radio beams used to guide their bombers to the target " S9 q" d! b" l- m! Y0 \8 vY-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. ; M9 {, c* ~. B9 _; ]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 ; a: A" O5 X l# j) u- \2 w" e( l YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 4 n+ g `' ^' e, kYAW 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. ; n4 n! H; J2 L6 o! n YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... - m* B. `' Z7 r Z Infra-red identification equipment 7 K$ W/ `+ |+ y' m% {( U& ^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... [' D* J9 {' P0 H Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. : r: O; |! G2 ^0 k( I$ S: ? Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 6 ~$ }$ w( D) } ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft + r! g' h4 L' d- r" n' r! j ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 5 y7 [" g# ]& k4 IZOC Zone of confusion # \% A0 O5 }; EZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; # d3 e+ s5 Z' [( i- u) U3 fZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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