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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 / H% ~) z: c5 z- [" z7 \% u! B TRANSCEIVERS A device that receives and transmits ( j7 C. g$ P0 r+ y" X0 \TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 0 v) x, j. i6 e; xTRANSMIT To radiate RF energy ( ?2 u7 q2 P* Q3 y% F; ]2 f TRANSMITTER A device that transmits 6 E- Q0 Y( n% q0 s+ L8 R TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. . \9 P* b$ }/ s }% [( P' E. I) lTRANSPONDER Transmitter-Responder : B1 W& M6 S1 a( R# e6 e TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. + U: k( s' }% o3 cTRE Type Rating Examiner ; j" k3 ]& c: g/ B: {) VTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. ! x a2 y, M1 s# K/ B& K, ^8 KTRI Type Rating Instructor , I# A) v O, v7 B, X! J r3 ^* @ TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. ; B; V O5 c; [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. $ V1 m8 H. G7 z- ], a TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 3 }# `: r( A6 c! C# M TRK Track 5 e/ `. `4 T$ N4 m1 F2 J o5 Y: ~ TRN Terrain Referenced Navigation; / {6 E9 _$ I+ J TRN-INS TRN with INS * I( B9 i& T/ h% ~! FTRTO Type Rating Training Organization & C8 M, x. Y, v7 R' ]TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; % S. \ k! s0 h3 A' S- F6 {8 r TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. ) o8 I% A% h7 ?% ~! r9 rTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. : S) d5 U0 E) d6 u3 a+ W TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 3 D3 c0 v3 |3 S# p- STRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ' y- v% t9 m8 `5 VTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; : s- m1 y$ P& _TSC Total Time Since CORE 1 f4 [% E9 t+ E; DTSMO Time since major overhaul $ |# j- P# P/ J0 q6 [6 V5 ^TSN Time Since New (also TTSN) 5 l( z) C% l* @) h TSO Technical Standard Order . h' ~% f4 m) [ TT Total Time Airframe / R7 ^5 k+ A6 L+ a% v) G1 OTTG, TTS OR TTW Time to go, time to station, time to waypoint. - H8 C% x( f3 K; k" Q- W- MTUBA a jamming device for Freya radar operating in the 70-200 MHz range 2 `" F. ?0 a) e7 i/ T* e( m, UTUNE To set the operating frequency or channel for a device $ d! v8 Y7 v4 B& QTURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 9 @4 {8 F! \$ W8 J/ X( |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. 2 u0 M$ x; E" ?; ~ TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. ) L4 q4 z" Z; \/ g2 z! k 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. & q$ U/ c( w# |! d' ^0 h QTWR Tower (Control Tower) 0 t: n$ Y9 d: O* O* K/ s$ l0 Q; iTYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... s8 N( E7 W8 Q6 t8 p0 p- e: sU Airspace Euro control project Class U (unknown traffic) 6 }* O5 O0 R2 I4 |/ d6 yU/S unserviceable 4 v% b& v/ ^) m- F0 z! J$ t U/V ADF UHF/VHF Automatic Direction Finding 3 J2 E7 o+ |4 ?. @ UAT Universal Access Transceiver . p2 A, ^/ @8 s0 [$ zUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle ' [' f; z2 n1 J5 BUFN Until Further Notice & Y* H4 K( p1 _* Q% h" nUFO Unidentified Flying Object / I: z7 M2 M4 W8 c @4 t8 B UHF Ultra High Frequencies (300 MHz-30 GHz) 3 J" y( L* h* r( I: t8 HUHF/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; . M2 \; Q" O2 J3 n UL Ultra light, Ultra-l©ger motoris© : B' A8 a. Y( [7 N" s5 tULM Ultra light, Ultra-l©ger motoris© " m' m) E& e8 QULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ' q. u" {6 j J" \% PUMAS Unmanaged Air Space (Euro control Definition) . q: ` W1 Y- d; A8 ~9 sUNDER 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... / t6 d' e- d0 Q2 J0 U3 t" aUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 5 p4 j/ Z6 J6 n& Q2 Z* o8 [ 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 ... h. L4 A0 D+ F" D& L9 ]( nUNIT 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... * v9 e: {1 J5 h3 e1 I+ XUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 1 A& }& t* D. q* p 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... 7 f& W0 p% Z; g& } 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... & a6 M" B3 P( M" [$ t 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... 6 V* q: t. V& C1 N UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 9 X5 k2 Z- Y* J+ ]0 O% r, K) { UNITS A standard quantity, such as ft or mi; Synonyms: dimension; 3 G! w( x( |8 j 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; ( q2 T+ A# O4 R) t4 m, gUPDATE 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... ' q' X. J+ l& IUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid $ ~4 S8 u. Y. A- J5 Z URB User Relations Bureau (CFMU) " g, L: |6 B9 K r/ {USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon ) k9 R9 U' \, z r/ u$ y! L USAF US Air Force / X8 L/ l i+ g- UUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight , _' J" r3 m6 X USG (AL) US-Gallon (3.78 Liter) F: g9 F* s0 i o% J$ I/ { UTC Universal Coordinated Time. + f: Z* R3 x3 ]! sUTM Universal Transverse Mercator # F0 I& E9 \2 L ]4 ^ V 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. / e0 w/ n* K" b' e kV (Y) Speed for best rate of climb. 7 N) L' |$ \4 d/ @ r, ~8 a- zV1 speed for best angle of climb. # G# F8 j" G6 R% u2 b VA Maneuvering Speed (max. structural speed allowed for full control deflection) 9 A% h* X5 U4 o+ Q- J+ ZVAC Volts alternating current. $ M3 T: |0 Y1 p4 k# B3 oVAL Visual Approach and Landing (Chart) : D) b/ X: f3 z, `# B; yVAR Variation 5 k# a$ x) K* |/ `6 mVASI Visual Approach Slope Indicator $ v* n5 A- F% S1 b" w; s/ L VAT Value Added Tax ; R8 C" c( v, L% H+ u7 W) y) HVB design speed for maximum gust intensity. 3 }. P+ V7 L1 w; KVC design cruising speed. , E; S3 X9 A8 `. o$ XVD Max. Dive Speed (for certification only) . `, H' N6 o# t6 I! v) [3 GVDB VHF Data Broadcast ) n4 I. {6 k2 d7 N5 OVDC Volts direct current. ; J( a" v" x3 a* Y2 ] Q9 f+ OVDF demonstrated flight diving speed. ) _7 L- E8 l& d; d5 t VDL VHF Data Link (-n = type n) + h4 z3 Y* r( j, D# z" b7 @VEF the speed at which the critical engine is assumed to fail during takeoff. $ z5 ~, L- H Y- U& @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... : _7 D" t# `6 X/ f3 K0 d 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... , K" E, {7 p( ~VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 9 | f( {) n$ o S' B2 W8 { VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ' d+ U' L8 a# L5 o VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 9 I/ c0 L5 h( Q/ i7 l" i2 UVENTRAL 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 ... ! Y' z. B. p$ P4 ^$ V* W( g) DVERT SPD Vertical speed hold : ]/ O; b3 b5 \. Q6 fVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; ! Z6 a' {( X1 |' ~: v$ GVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; 9 J. n1 {/ V! ^ d& o) B9 y VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 3 {$ C5 @3 N" s) K" m; XVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 4 X9 l; \- g4 }VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; , f% m' j7 n2 n, v" p: l; Q4 B VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 4 W* o! b4 {2 B VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; # l7 @5 O, n/ z6 ~9 |VF design flap speed. ) _6 w' c" Q, r$ j* aVFE Max. Flaps Extended Speed # {. y% T& n) Y: v" s3 KVFR Visual Flight Rules ("good" weather operations rules) / P5 C1 M7 m7 N8 p) r, Q% @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... ; \" m: n/ w0 s0 Z( Z6 ~- | VH maximum speed in level flight with maximum continuous power. / C1 I2 [% `; y4 L! d$ { VHF Very High Frequency radio equipment. 6 e3 Q6 p; R3 t, }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... % o/ A! H+ {& y! FVILLAGE 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 T5 |, `7 p* P4 |( d: Y" k" xCVFR Controlled VFR (still existing in some countries) 3 j0 ?' m {6 H1 _2 F CVR Cockpit Voice Recorder ' p+ W% c1 B1 b4 c. OCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. % F& j' D+ M- d CYCLIC See: longitudinal cyclic, lateral cyclic; 3 l, P2 Z" `$ ?- uD Airspace ICAO Class D 1 _" g, I7 R' K- {& Q/ H D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 7 @0 K+ t+ g7 ~; ]( q8 ^ 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... ( E! p" Q8 w8 _* w0 [& i- KVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 3 D; g. k9 j7 r/ b4 |VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) ) h& `' g7 D! N VLA Very Light Aircraft (Aircraft certification category) 9 B W( y& }" ^- R, C, c* C3 } VLE Max. Landing Gear Extended Speed & `2 }9 q0 f$ e1 R VLF Very Low Frequency radio equipment ) i- q' N" J) {. h VLO Max. Landing Gear Operation Speed 3 O6 H' h$ V2 Z) |7 q5 m* ZVLOF lift-off speed. , }! y% b8 C4 T( v5 e* }" b+ T( J VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 6 {2 X' B" p3 u3 Y5 Z4 F: Q4 M! xVMO maximum operating limit speed. % v5 P' ^$ I B0 y3 `$ ~5 \& a VMU minimum unstick speed. $ Q6 }: s' F; L9 D( K1 A xVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 3 t$ r8 M5 r9 ?( H' y" @. T VNE Never Exceed Speed 5 |5 m, ^$ @$ m- y+ ^$ jVNO Max. Structural Cruising Speed + t2 ^( p1 j, [2 O( xVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 6 S% p# r3 }5 N/ b7 F VOR/DME Vertical Navigation (GLS) + E* `& A @$ R( T: L; h VORTAC VHF Omni range; 6 {; E9 ]; A8 d3 j1 S$ kVR Rotation Speed 2 e. J2 c h* Y* C/ xVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. # W, P1 Z7 |# jVS0 Stalling Speed Landing Config $ b& S2 j$ M% t( b0 H. B. m VS1 Stalling Speed in a specified Config. , S6 [& d' `7 M6 i' j VSSE Minimum Safe Single Engine Speed ; q4 f \% h; @( G; sVTOSS takeoff safety speed for Category A rotorcraft. 4 ~: Z1 m2 X8 Z VX Best Angle of Climb Speed , y5 u* q9 ` h: G2 F1 _ VXSE Best Angle of Climb Speed, 1 engine inoperative : S; A( Y5 E! t6 I9 \VY Best Rate of Climb Speed ) B- s& m9 y" `' V3 V g: A# B VYSE Best Rate of Climb Speed, 1 engine inoperative . Z4 ?( O7 H# z/ F1 T5 k5 OWA (IAOPA) World Assembly 6 @7 h6 i- u Z. a) h- k5 _ WAAS GNSS wide-area augmentation system. . h% ?, O) ^# s4 R: rWANGANUI Colored flares dropped on H2S to sky mark a target . E5 j6 h7 j1 jWARNING 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 _% M& o3 h. O0 ?# M5 ?1 nWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ; A& ^8 I" U/ b7 m" q# ] 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; 7 |5 b/ U5 N+ kWASHOUT 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... # E. U& r/ E5 m" b, ^8 l WASSERMANN German long range radar with a range of up to 190 Km. 4 j3 P T3 ^7 Y! w* R WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... ; F" ]/ m8 X: C; z- `7 {% vWAYPOINT (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... 2 j3 I* Z+ `& `WAYPOINT APPROACH To approach a waypoint + V) v, S% q, Z/ g' Y4 ?: N2 C 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. % i$ w" m' ]+ `- Y8 G WEIGHT 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... # N) u" q2 n% M& P6 b5 ?! c4 G4 I4 Z WET WINGS Method for containing fuel in wings without using rubber fuel cells. 8 K1 M$ M7 N3 k; m/ h5 `WGS-84 Wide Area Augmentation System $ U C3 X+ ^8 a3 V" H% ZWGS72 World Geodetic Survey 1972 7 v. W) w# d2 h% y- D7 S) aWGS84 World Geodetic Survey 1984 # a% ]/ ~+ y* K, g+ {% h3 U 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... ( c3 h, j6 g7 Z( V+ LWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... & K3 ?& u& s5 u/ y/ I* wWHEEL 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... * B1 c @& \; `! s! NWHITE BOMBS Nickname for propaganda leaflets. 3 y6 H( M7 B# w, H+ {3 Z7 l. \WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 0 o/ O( ^* u5 q; j. tWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror ) k4 [+ Y# h. ?WIMS System Wide Information Management . |- ~3 a4 i# Z5 J) t: yWIND BEARING Symbols: B sub W; Typical Units: rad, deg; " u- v! X, m& f% Z' xWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; ( Z- i' ]) X5 c WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars - @" W Z N4 K 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. 1 l8 {6 l' ]! U/ C) H+ @4 G- ^ WING The main lifting surface of an airplane. " Z: j' S0 X" D6 b/ l* G- q 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... 1 W( A6 A. t! q0 C' y$ g9 ?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... 8 C: a- A# p6 _9 o% q WING ROOT The centerline of the wing, where the left and right wing panels are joined. % M$ m4 G; Y' W; J- 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... " g+ g$ |& I; o. R7 ~5 T# \; T WIP Work in Progress ! ~9 g! [, ?$ q& _8 S5 C- AWMO World Meteorological Organization / D2 j7 d; z% |) W: D$ PWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; ' D! k6 u% o; [2 C- m% n+ `WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; / V. y$ y, t; a# e: T/ BWOW Weight on wheels 2 b5 `# \7 J H! |1 g! ]: f WP Waypoint $ ] }* F/ e4 N5 B' F) tWPT Waypoint 2 y3 K+ Y9 _0 {% |4 H WRAP TEST A test to send data to a device having it sent back unaltered ; e$ E; `, J ?# A& CWWII Waypoint 9 i( i* G& s, v% Q$ f R' c, Z* O' j2 T WX Weather , w, o7 W+ G2 V" v0 L0 pWYPT Waypoint . A% t8 w3 h& o: H& I8 ]WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 5 b$ e7 ~/ O. I) w$ Z: k X-BAND Frequency range in which most general aviation weather radars operate. * h* ] y+ @* @) R/ nX-BEAMS German radio beams used to guide their bombers to the target . u2 }- k# E* B4 C7 ^3 L$ p2 aXPDR Transponder. Radar-enhancement/data link box for ATC purposes. " G9 O8 G6 _% j9 s0 F2 [ XPOND Transponder ! ]$ J$ n% N: V# \5 Z- i5 v XTK Cross track; cross track error. 0 `4 a: f7 W' e- H XTKD Cross track deviation " J2 L1 M6 l9 b0 N$ GXTKR Cross track deviation rate - J. m' O( y5 Q3 ] 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... ( P" y9 a) |/ P" K4 E# d Y-BEAMS German radio beams used to guide their bombers to the target $ O* V, f6 {4 ?0 L# H6 G( F Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. : ]2 v' G5 I/ S( n: A JY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 " s5 ?! P; X5 T( aYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 8 O9 d6 Q0 @1 C3 I5 ~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. ! G0 g& g% G1 ]8 R$ f YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... & W+ q6 V- K/ r9 Q7 PZ Infra-red identification equipment - c7 T0 R% k, [0 G' N# [2 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... 6 W' l6 V: Q: g, U& h6 qZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. 9 S3 E3 D3 E4 X9 `! r0 k 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: _, O1 E) I ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 7 @3 V- P7 _( H* o0 w+ W, Z* fZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters $ S+ C% ]: N# H, f0 k. g. {! w8 a' MZOC Zone of confusion |: g' x$ C; C4 m* ?. B1 {# rZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 3 M y) E: ]. v4 L# J5 ^! PZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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