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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 & v% Y5 g' o! m! A- h% ]0 x# @TRANSCEIVERS A device that receives and transmits + o& y+ n w8 j) t0 N' ITRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 8 A( W5 _2 t. O: _3 B# Z TRANSMIT To radiate RF energy $ O1 Z! }7 A" x5 STRANSMITTER A device that transmits 1 F! _; i" I0 a. ]( O2 L/ N- E+ y TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. . E( l& e( O9 J$ w TRANSPONDER Transmitter-Responder , T% ]: I* F" J, S TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 4 E/ c5 B: y, Z. b1 }8 \ TRE Type Rating Examiner 9 o. w, D/ {5 G* h; R TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. , Y. ]* d: u. z) ]TRI Type Rating Instructor : B, E* N& g: rTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. W3 K. L% [8 j, ^( D7 U/ B( p7 p8 s4 g 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. : o7 u+ `% M, A6 P TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... $ q! G! l: m" B# ] TRK Track ) @) U0 I. `7 hTRN Terrain Referenced Navigation; / ^0 ]3 r2 T/ W- V' e5 B1 i' _ X TRN-INS TRN with INS 3 M" `9 @) q+ e' W0 G' Q4 H# h TRTO Type Rating Training Organization # ^" W" j! m5 c: ~TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; . R5 t! O/ m. yTRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. 8 R+ Y- r/ A3 j6 X$ i5 j TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 8 G) V P7 W- W$ `6 L TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; ]; v& o, |3 W$ C% [1 z$ w TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; + |+ ]8 S$ H3 ~$ g# O- eTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ( Y& F" ~, ^0 _9 m& t4 W TSC Total Time Since CORE ( R8 P* `2 E; ^. |2 O) `1 O" S TSMO Time since major overhaul 7 z! ~# p" S# J! K6 S5 M( bTSN Time Since New (also TTSN) , |( w; R* |4 o% N2 f2 FTSO Technical Standard Order ( A$ z: i! B) g. Q/ r) u/ J9 XTT Total Time Airframe 2 ]. z6 |% e! ~9 a% M& A TTG, TTS OR TTW Time to go, time to station, time to waypoint. " u: S1 S5 c& |9 iTUBA a jamming device for Freya radar operating in the 70-200 MHz range 3 W9 `0 K- s+ G2 U+ ~7 L+ V* iTUNE To set the operating frequency or channel for a device % Q; ~$ F( O: q, E. s! p* l) D TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 7 R8 C6 L! n! w% }; I vTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. $ b, x F$ h, z: G1 y+ |, T TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. * |: g3 J# l/ M t# M8 |# Z- zTURBULENCE 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. * e5 H( J& B3 P- I* m0 R TWR Tower (Control Tower) , L/ ^. e% N8 Q6 ?" d4 K$ G* I 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... ) u. P/ _( v5 Q! s# b U Airspace Euro control project Class U (unknown traffic) : e/ I1 X" k+ y/ ~U/S unserviceable 4 ~, i6 f4 I$ N8 H9 B* ` U/V ADF UHF/VHF Automatic Direction Finding ! E5 [3 ^+ s/ J. z5 e6 a UAT Universal Access Transceiver 6 \, R, N" S8 n. M UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle + [ h) V" w+ Q% w0 ^' F7 |* \7 _ UFN Until Further Notice 5 H) M% i/ P) S) F0 n. Q6 mUFO Unidentified Flying Object . a$ U2 Q3 e8 a& i% G/ tUHF Ultra High Frequencies (300 MHz-30 GHz) # K1 j8 {7 ]4 eUHF/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 T) U, Z# t# j' M4 k0 W6 H! `7 ] UL Ultra light, Ultra-l©ger motoris© 0 [1 g% V4 D$ O H- R8 a ULM Ultra light, Ultra-l©ger motoris© ; F2 r6 d) J; p# FULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... $ p& }& Z9 {! U" J0 G4 F7 A6 Z. |+ h+ yUMAS Unmanaged Air Space (Euro control Definition) % X1 H/ y& h' q2 J) X6 Q) Q4 E 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... 1 H: C4 c6 R4 B8 d; Z" I UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 7 N, M1 Y7 J* ?* W! @3 k" RUNIT 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 ... + `6 [) ]# W! VUNIT 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... 4 l9 k8 N# R0 M UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 9 A2 J3 H, r0 {' 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... 6 B7 v- T$ t) c' e9 |8 C( e3 J 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... " o9 i6 o- e/ H! C2 r; `" uUNITED 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/ t2 v( y4 `3 _ UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. ' N. \9 `& w8 B6 a/ }' q UNITS A standard quantity, such as ft or mi; Synonyms: dimension; & o/ a: [6 ~* Y, u; [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; " ~+ i2 ~2 B' f# M# s8 G+ [ UPDATE 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... 6 X6 B. s# c% lUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid * n6 I3 g o! J' F! | URB User Relations Bureau (CFMU) ( b& ?& r2 W% k/ r0 oUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon * m# U" R1 T* c* \$ o) O* v USAF US Air Force , w% F& x% W, i5 E8 ^7 v% SUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight 0 e7 _' e+ r) |; H) C0 oUSG (AL) US-Gallon (3.78 Liter) 8 Q h9 ^7 a) ~2 ] UTC Universal Coordinated Time. / n; ~, W8 q4 {& C- i1 _# |UTM Universal Transverse Mercator ) H2 I. ^9 Z$ M, w: {* L6 bV 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. - w# X/ m% D: h V (Y) Speed for best rate of climb. # \, q J+ f8 Y" Q8 CV1 speed for best angle of climb. ' E: L8 q' ~3 M6 S }" SVA Maneuvering Speed (max. structural speed allowed for full control deflection) + h/ }8 M! a. x8 [, e, y" n VAC Volts alternating current. - C2 K7 A2 k9 U! k s( W+ xVAL Visual Approach and Landing (Chart) $ `; M/ ?8 a2 N6 W! N2 ] VAR Variation 9 B( l3 t+ o0 d& B) B9 }% t( v/ mVASI Visual Approach Slope Indicator , v2 m* T, `3 ?% v4 y9 y VAT Value Added Tax : m, `4 f8 M, L y. R0 y1 y/ l6 o4 A. r VB design speed for maximum gust intensity. - K& k) G; Z) d/ i6 bVC design cruising speed. 6 H- \% q) j, W+ r, I. @# XVD Max. Dive Speed (for certification only) 4 l1 X' O I3 G& GVDB VHF Data Broadcast 1 S+ o. Q2 F+ U, B( B8 f) oVDC Volts direct current. 6 ^! C$ [7 O: L VDF demonstrated flight diving speed. 8 `1 ]- @8 V. U9 D6 I, P9 V" R# a VDL VHF Data Link (-n = type n) 9 U2 E7 P& L7 A3 \9 j( ~; GVEF the speed at which the critical engine is assumed to fail during takeoff. / [- C+ Y& u2 a7 n3 k3 Y( n, |" ~: R% NVEHICLE/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... R' R9 ]$ J9 \. XVELOCITY 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... % t- b. a2 h: v$ _; |& T; xVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; * C( n2 w, g2 W; j( a2 u7 ^ VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; " H+ t# H q2 m& P4 F VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; % b0 E, E& p1 Z) ^" i3 e# p/ X% J 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 ... ; [( L1 z5 C' G9 @; qVERT SPD Vertical speed hold # `, ~: y! \6 z; E6 U' A9 m+ p; X% V VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; , f1 J7 V ?' u! A! sVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; 5 o0 t& @0 I9 V; yVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; , f+ L; H+ D2 OVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 7 B& H2 e& X) S0 w& j3 k3 e VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; & r0 ~/ X: u" r5 yVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. ' y+ y. M& s2 k/ B* F' `0 ? VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; 1 @: N; F! q! S VF design flap speed. ! M; f$ X. ~: w0 q9 rVFE Max. Flaps Extended Speed 2 `: U3 }) }3 ], o$ l0 dVFR Visual Flight Rules ("good" weather operations rules) * f+ T% B5 x' nVFR 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... 4 e5 X" j5 i' { VH maximum speed in level flight with maximum continuous power. : ?1 s+ t+ h2 k) {* u# RVHF Very High Frequency radio equipment. , \) F. C; G" ^) c2 i+ @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... * b" q6 i a" |/ J$ ]$ Y3 U! ]- ^5 ^6 Z 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 s' t) r6 J: PCVFR Controlled VFR (still existing in some countries) , ?4 \. X0 G' b1 rCVR Cockpit Voice Recorder ; X- A6 B- u8 Q; Z CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 9 e, ?3 t+ m; Y) ^# C( T CYCLIC See: longitudinal cyclic, lateral cyclic; " N( g% |$ q- hD Airspace ICAO Class D 5 h {* G4 U" hD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) / L% X3 l8 ]# ?% d% k" {' 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... 9 K9 a; L- h% P4 a4 QVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. ; z9 T8 [" j0 M& uVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 0 ~) N: B7 ?0 b( e* R5 |, P3 b VLA Very Light Aircraft (Aircraft certification category) 7 x- E0 e2 S7 c, B VLE Max. Landing Gear Extended Speed 4 m z" x2 D, i1 A" BVLF Very Low Frequency radio equipment , P+ b8 l/ G+ k M; u4 xVLO Max. Landing Gear Operation Speed . l; J% f7 D$ Y9 C( Q3 c3 K! E6 Y VLOF lift-off speed. ; K9 \- T$ i5 z6 w4 z: T* c VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 1 H* g: `) r, q! ?! iVMO maximum operating limit speed. ' w1 t3 z* _+ i$ M VMU minimum unstick speed. / K/ s% s! n/ G9 O) zVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 5 _! d. H5 c5 f7 j1 z" r9 O/ B% S VNE Never Exceed Speed # X4 B2 b( O/ `. A9 G8 ? VNO Max. Structural Cruising Speed 4 W2 t) x3 M% L }VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 3 A. D* z0 {6 o1 dVOR/DME Vertical Navigation (GLS) 4 \" ] |% R* T VORTAC VHF Omni range; ; f, O: d) v+ F1 ~9 x! JVR Rotation Speed # H2 w# N) W$ E' _VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. % Y! U9 _. ?; S+ nVS0 Stalling Speed Landing Config : w* p$ h8 V" X: m9 L VS1 Stalling Speed in a specified Config. 6 \ d K8 U' {6 H; ]& PVSSE Minimum Safe Single Engine Speed + {, a& l' n( @9 P( F" j VTOSS takeoff safety speed for Category A rotorcraft. ' X" x: P# b; J- x* s: H. SVX Best Angle of Climb Speed ) \( K$ R5 t" j$ jVXSE Best Angle of Climb Speed, 1 engine inoperative 5 g* K( E2 P9 K, A) U. w. ]VY Best Rate of Climb Speed * C4 l( c5 J& [VYSE Best Rate of Climb Speed, 1 engine inoperative ) P4 B6 j" s/ _7 P( c( m: |* C WA (IAOPA) World Assembly $ I3 n1 r7 J5 c* w4 p, J3 [; S WAAS GNSS wide-area augmentation system. . w7 H, L' z# g: ~- ^! B WANGANUI Colored flares dropped on H2S to sky mark a target 9 _5 B; x- U T 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 ... ) l9 [: Z+ L B7 V: f% C: [4 i e WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 4 `& C3 H0 l$ Y1 y( L; KWASH-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 J, C& R# _( F" V0 E+ lWASHOUT 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... 9 n# I$ v( b, C( P( `* ? WASSERMANN German long range radar with a range of up to 190 Km. % x' g8 B' i( L( G WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... : V$ U' E C- }- G 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... 4 c. z! s' G( t' m$ |6 W WAYPOINT APPROACH To approach a waypoint ) _* Y! R9 e/ I7 J" s1 @' \2 ?( MWCA 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. ; B$ d- j' ^ z5 Z, CWEIGHT 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... 1 L @7 ^, e) G WET WINGS Method for containing fuel in wings without using rubber fuel cells. , \/ {2 z: p$ pWGS-84 Wide Area Augmentation System ; ^0 G0 I4 F7 _! |' F1 Y5 {" F WGS72 World Geodetic Survey 1972 ' M8 k" h9 N$ x; d U WGS84 World Geodetic Survey 1984 ^7 m. Z$ r: M7 g' z! u$ CWHEEL 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... & I8 U o' L' z7 T$ ?' B 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... $ Q- L" j4 U1 X- @2 AWHEEL 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... & O' o/ D/ K9 }* ^, o/ yWHITE BOMBS Nickname for propaganda leaflets. & }- P r7 w MWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft & a ]+ r" p# Q# `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 & G7 s- K) S5 s5 n( _ H1 R; jWIMS System Wide Information Management * \& o' S% }' E3 |5 C' v1 } WIND BEARING Symbols: B sub W; Typical Units: rad, deg; 4 Y3 W- ]$ y/ T, x/ XWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 6 S; N. C1 t" ?' E F7 e WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 7 ]. [/ c) w- s9 [. }+ J! W 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. 7 v: [: v3 k) @WING The main lifting surface of an airplane. ! M9 t1 J. W/ z+ F. 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... 8 c1 @, `, N1 g3 O- J; m( C8 p 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... ; e6 u0 U! A2 M f8 n WING ROOT The centerline of the wing, where the left and right wing panels are joined. 4 H2 V1 \* p# {$ P, C 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... * ~& A+ p0 @ ^6 t, ^# h6 R WIP Work in Progress # c: B( @$ |' ]- O/ H- ?WMO World Meteorological Organization ; ]/ S" g+ {$ uWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 3 y/ x' Q$ @- f) Y: G* |. b WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; : n. w3 l" w7 Z( b, tWOW Weight on wheels 6 U5 N; W( w2 T; u4 OWP Waypoint 1 K. x' j2 b' X" F# I0 y- ~ WPT Waypoint 5 N4 P& D6 z8 q; h WRAP TEST A test to send data to a device having it sent back unaltered 8 U* d( R; }9 t8 b8 H WWII Waypoint 6 B2 L4 M) G8 L) w" B7 C5 T WX Weather ) T7 J# ^0 U o9 _* wWYPT Waypoint . f, Y! O' U1 dWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 3 d9 f) \$ ?5 m! n% R" g8 t8 nX-BAND Frequency range in which most general aviation weather radars operate. 6 ]: s, Y) S/ y. P9 YX-BEAMS German radio beams used to guide their bombers to the target / w9 a. o7 E2 j- \; J$ c+ B XPDR Transponder. Radar-enhancement/data link box for ATC purposes. * L3 ^9 l \/ K- V+ j XPOND Transponder 0 N; r5 |5 }9 b" T9 e. o6 X M XTK Cross track; cross track error. ( b _4 u5 {! ?. L2 T2 U XTKD Cross track deviation $ V$ R# f, [8 d# AXTKR Cross track deviation rate 3 W; ^# T8 p$ j! g4 m# EXYZ 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... ' F1 P' e6 ?1 x9 S8 t" r Y-BEAMS German radio beams used to guide their bombers to the target . q) k& F$ O1 W% k; kY-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. 9 g( e; \* o, F0 Y# g1 OY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 ' I9 E" ]5 O+ M' h# g YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 5 p# q. h0 Y* ~- O+ nYAW 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 T/ A; C& W: b, W3 q YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... * [& s( B `2 q+ k+ P! n6 n% [* { Z Infra-red identification equipment 1 g& a& \6 \' d, x( k. N7 lZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... ( X8 R! v+ _0 J. h Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. 8 q j& ]6 e. n$ p6 f% F& 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; % x d8 B! x. L7 G4 pZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft * a2 k K; b* xZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 0 T0 a7 K& Q4 ]% C1 ? ZOC Zone of confusion 6 a8 _1 m3 B% }# M ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; - T2 Q9 M* R5 i0 |- I$ u ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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