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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 ( Z: x, E, F8 vTRANSCEIVERS A device that receives and transmits 0 c. z e, r4 [3 d TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 0 C' _ E! g9 h; X TRANSMIT To radiate RF energy " V" |. |3 F0 O$ ]7 ATRANSMITTER A device that transmits % B" A' }' W- e9 `7 V( MTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. ! o5 g3 G2 Y# p7 L0 J- e. vTRANSPONDER Transmitter-Responder , K1 l. s" I2 {8 F) [% i. [, z. H" h TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. / q) q9 c3 |5 V! o* o! l. bTRE Type Rating Examiner : N( R' o* u0 r, N! { TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. ; X! [9 H$ z# w# d& {TRI Type Rating Instructor , n3 T* s4 m; m, f# [ TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. O# P' y! P- E4 I) a4 b4 ZTRIM 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 t) Q$ [- X0 y* c. L6 G3 N! 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... ) s. X& v, Z( H8 Y# F- r TRK Track # |" E- V3 c `8 y TRN Terrain Referenced Navigation; / ?( }* n$ I7 q5 f+ A TRN-INS TRN with INS : @9 k$ d' F6 w TRTO Type Rating Training Organization 0 B+ W; }9 E2 q; l7 ]. x5 v5 |7 ETRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; ( I6 R+ B7 w% |- ~# z TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. % F# M1 Q7 n' s) Y MTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. $ e! f, R, E% ^- r, ?TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; / C% C! ~" {3 d0 W' \TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; ) F3 _9 G3 O$ U* NTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; / n! s a. Q U" s' w9 iTSC Total Time Since CORE 4 j6 z% S- l, t2 H. ~4 t+ k TSMO Time since major overhaul 5 n) p8 `# Q& _) s& ?( o3 y, ]) B6 @ TSN Time Since New (also TTSN) 6 |% P" h0 T: a TSO Technical Standard Order - B1 N9 h+ I# u& E |, X9 Q. G TT Total Time Airframe 1 Z4 e: {. D5 z- ^- u7 v TTG, TTS OR TTW Time to go, time to station, time to waypoint. 6 W1 T: ~1 {/ B TUBA a jamming device for Freya radar operating in the 70-200 MHz range / U+ H! l8 Z" ?8 Z1 W5 x$ r9 G TUNE To set the operating frequency or channel for a device % Z# y3 V9 I: p" t& d6 b TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 5 G4 A7 M4 x+ b 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 i% R( X! F" \3 e1 a TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. & t& W* H* Z" P3 N8 \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. # F' C q& w6 m# d4 N: g TWR Tower (Control Tower) $ k8 K9 f; E0 `$ a3 H, b; f8 a 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... B, p3 F& S9 w& | ?7 M U Airspace Euro control project Class U (unknown traffic) 6 a8 i/ o3 C5 G% I8 p, E* t U/S unserviceable ) Z) `) ^$ F% Q$ a8 eU/V ADF UHF/VHF Automatic Direction Finding 8 Y M, L5 ^+ M) B# {5 j UAT Universal Access Transceiver " n+ \; ^' U/ n2 F/ CUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle + ^) |8 \0 `8 h UFN Until Further Notice . A# M- j3 Y4 s9 r. ?3 y; CUFO Unidentified Flying Object 2 I. u$ C- J' f UHF Ultra High Frequencies (300 MHz-30 GHz) 5 |" Q4 Z" E2 T, e' ]% u6 g 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; , A9 D% S$ b% m9 ], i. Z UL Ultra light, Ultra-l©ger motoris© 6 ^# b4 b1 f- S% K5 l" cULM Ultra light, Ultra-l©ger motoris© ) R V9 Y+ R- b+ G5 t5 jULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 5 G" u4 R( ^) a& ?" U: I. Y1 F7 tUMAS Unmanaged Air Space (Euro control Definition) 2 Y. Q N9 `! u9 Q! }( JUNDER 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... , v2 d8 \& q+ c3 P+ | UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. . y2 Y6 }6 }- u8 ^2 AUNIT 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 ... . _' i+ B1 q( Q5 w5 ~ 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... & T4 v3 d4 K* k; C& u. Z) t UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; + n% k4 z+ g) R/ b+ y6 j 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... . z5 n( F2 N" v4 i6 A$ q; Y# c* z$ uUNIT 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" i7 U; z8 H9 l) |% P* c 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... & t8 ^! w! I: u' w( u+ D UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. ) |, b$ k" J" yUNITS A standard quantity, such as ft or mi; Synonyms: dimension; ) m7 l2 R2 c* R' h* v3 a+ I( vUNIVERSAL 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; ' W4 n: b- `" L# j 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... + ~ M! Q, M9 l0 r9 e2 ?1 ^5 V mUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid ( m, `' S) L4 q: G( e E' M URB User Relations Bureau (CFMU) 7 J5 e! ^: }+ jUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon , T! V: b+ y | USAF US Air Force : Q6 L7 u8 d r4 Q+ J! [; x USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight ; v# \( y8 `( e m) HUSG (AL) US-Gallon (3.78 Liter) ! i' J3 z$ y& ]; z UTC Universal Coordinated Time. 7 q) B" c9 [8 f$ BUTM Universal Transverse Mercator + e, t# j0 g. I; p( O 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. 2 ]* P% f8 W. G4 WV (Y) Speed for best rate of climb. - v* G' Y3 I5 GV1 speed for best angle of climb. 8 y9 _2 M- I9 _* i8 K- C2 ]% d VA Maneuvering Speed (max. structural speed allowed for full control deflection) ) v0 \' L3 i) \; Q$ } VAC Volts alternating current. ' [' x: _$ U8 b6 ~: ?1 Y# D$ ]2 RVAL Visual Approach and Landing (Chart) 5 N7 M4 \. A) m, n& I8 e VAR Variation 2 F& @( S4 e, P3 ~" _VASI Visual Approach Slope Indicator 6 s& B d1 D& _7 a& P5 AVAT Value Added Tax 4 {! ~0 i+ f$ X: M8 u& KVB design speed for maximum gust intensity. 2 {% k! L, S* x% YVC design cruising speed. & @, D2 G. }9 j5 q VD Max. Dive Speed (for certification only) 4 i" ?" C7 J/ ^& k8 w2 ]! M' H( OVDB VHF Data Broadcast + [$ b/ {2 J( H+ lVDC Volts direct current. ) q7 e1 u$ {6 [5 b& b VDF demonstrated flight diving speed. . }! R4 h6 w# |! c4 gVDL VHF Data Link (-n = type n) 2 B+ s1 i1 S v, H: J VEF the speed at which the critical engine is assumed to fail during takeoff. $ g# G' L) G2 W: n6 ^, A3 w$ wVEHICLE/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 ~5 P6 g7 g9 s0 q4 B9 FVELOCITY 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... 3 N' o, O& y+ m! |, O/ uVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 3 \# s7 r/ |5 Y; b2 jVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ) c) [8 \6 w- H! [! p2 L( cVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; ; |. m& ]2 o/ g8 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 ... 2 H, T0 q+ R4 B' e: Z VERT SPD Vertical speed hold & ~9 D( J! A( r7 {7 ]* R VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 8 |$ q9 H! c: ^4 y/ e7 y2 A- v VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; " ]$ ]( @+ ~% v. G! f. NVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 1 r3 B' {. t6 Z2 {/ a4 c5 c$ nVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... * V# `" b) U" s2 M' V" z* fVERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 7 Q% z W' g% ]9 p' V! i1 v& M VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 7 e6 n1 m+ Q X! qVERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; - S9 W6 I2 W0 t8 | VF design flap speed. . y2 O7 v- e* k0 V4 h' u9 k" L" PVFE Max. Flaps Extended Speed 5 P; m" n9 b6 L3 B& FVFR Visual Flight Rules ("good" weather operations rules) - @0 Y/ Y2 W H' C6 I0 ]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... 2 v' W) l5 C0 O VH maximum speed in level flight with maximum continuous power. , @2 R) H9 I# q/ A$ C2 f+ ? VHF Very High Frequency radio equipment. , |5 V$ V% z* H4 ~, F {+ eVHF 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... 7 ~' Y7 h1 L# u6 I! W) Z6 L 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... & V1 M8 K+ a3 ]$ |/ ICVFR Controlled VFR (still existing in some countries) 2 l# @3 g/ U5 T: | CVR Cockpit Voice Recorder 7 u- i2 e" Y- A CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 8 c6 {8 t4 b9 B. m) N7 YCYCLIC See: longitudinal cyclic, lateral cyclic; , Z2 r8 _" `/ f8 k. I6 G# hD Airspace ICAO Class D ) x& u; w3 l9 d) @% qD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 9 q: z4 F! P) c, GVISUAL 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... 7 U/ M# v8 d. M4 U/ ~! E+ ^ VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. $ H8 X! e# V8 t! E" R VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) * E4 N l M/ N6 o9 Y- j1 n VLA Very Light Aircraft (Aircraft certification category) 4 ?4 Q- e* p& k k3 m/ h' r VLE Max. Landing Gear Extended Speed 3 l7 H" `% p1 I, f3 I VLF Very Low Frequency radio equipment 5 Z+ K" p2 D( \VLO Max. Landing Gear Operation Speed ( j: L7 V5 p# B! O* cVLOF lift-off speed. 2 v9 b6 \. s' t/ \1 LVMC Visual Meteo Conditions ("good" weather for VFR or IFR) ; S- q8 K# W1 ^& } VMO maximum operating limit speed. E' m0 e' W2 M$ |# h9 _) T$ xVMU minimum unstick speed. 2 r6 |6 n8 H5 h, C# b) R4 O VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. ' n; ~( f$ F1 L$ j+ f) e& {, M* qVNE Never Exceed Speed 5 R, Y ^" ^8 |) C8 a9 Y VNO Max. Structural Cruising Speed * B- u3 P! ?; |) p VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... % I0 ~- Z; P4 V `2 H( VVOR/DME Vertical Navigation (GLS) 7 v( P" P" C1 W3 v' pVORTAC VHF Omni range; 9 G( ^" n, W) t* r* U5 oVR Rotation Speed ! N2 o3 H( i8 g5 h VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 2 F, ^8 u @# w6 a VS0 Stalling Speed Landing Config , s$ A7 i1 J# h- W& I VS1 Stalling Speed in a specified Config. 3 l+ _: M% y [/ HVSSE Minimum Safe Single Engine Speed ( i3 N6 \5 `/ }! n; i3 t VTOSS takeoff safety speed for Category A rotorcraft. : }6 r$ z" X, E6 ]8 l+ I VX Best Angle of Climb Speed 5 y0 y9 v+ c$ }3 C3 u VXSE Best Angle of Climb Speed, 1 engine inoperative / J( H1 A! t1 j0 M* s VY Best Rate of Climb Speed 0 H' E& L( d8 c& l: a+ L VYSE Best Rate of Climb Speed, 1 engine inoperative 9 N5 f- i6 ?* ~ n7 ~WA (IAOPA) World Assembly : d* Y% _' Q m5 ^; t WAAS GNSS wide-area augmentation system. 7 U! w* h5 M" \( k- K/ |& aWANGANUI Colored flares dropped on H2S to sky mark a target 1 E6 B$ C- ]9 xWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... 0 t0 G [! T) }* ], F( t& hWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; , G3 o" ~- j1 g5 R$ z1 b 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; ' {* d) n% A3 l7 _. K+ `5 t 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... 8 i/ h0 J. v# n2 T0 f7 oWASSERMANN German long range radar with a range of up to 190 Km. * Q5 w3 x9 x. ]WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... # T% H7 w2 `. j4 t2 b6 {: P p3 f 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... * f- `, w- ?" W3 n7 L7 cWAYPOINT APPROACH To approach a waypoint M1 ?4 v$ m. P% a0 _. n 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. * b% m1 h) [+ {5 y; z 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... " ]$ M+ J5 K5 m% v. }4 E! F# Q WET WINGS Method for containing fuel in wings without using rubber fuel cells. ( |+ N' f* H& q5 p! W% E& HWGS-84 Wide Area Augmentation System / D1 j' }& _4 V# { T WGS72 World Geodetic Survey 1972 4 w' h1 _% z1 j8 t! Y( ]WGS84 World Geodetic Survey 1984 ! d. c# e( c7 ]4 e ^0 P 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... / N5 W& e1 O% W, N 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... ( ~6 u5 Y# m# p# FWHEEL 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... ) k4 u6 F) A* T; o* i+ c WHITE BOMBS Nickname for propaganda leaflets. ; d i* {/ f {* u4 d) l WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 6 u$ T2 Z4 ?" V$ K( G- k 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 / I: W% ]3 k4 }& Z( o* u( Z' VWIMS System Wide Information Management 3 n Z* C: s- j; L7 lWIND BEARING Symbols: B sub W; Typical Units: rad, deg; 9 j5 @0 e: _8 O0 _1 _# j* h9 _WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 9 c) t4 Z, `7 \( XWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars & ?7 [5 u I% j) r h' y" f) TWINDSOCK 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 Q0 Q7 f6 H5 U' i9 U4 ^8 EWING The main lifting surface of an airplane. 4 Y2 G6 ^6 G, D0 _2 [) D) ~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... , @7 x5 E; q2 _4 Q/ K4 GWING 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 K( f( {, W6 C' {1 R2 v. k. F; `WING ROOT The centerline of the wing, where the left and right wing panels are joined. 5 P, u4 z: m' H& t, i* |: G" k 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... ; p( \' }* W& z5 o& q* | WIP Work in Progress " K9 l9 p& T1 k% \# d5 Y/ G2 | [WMO World Meteorological Organization 5 H& o$ ?; }6 i9 K% K" o4 W: {7 rWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; " o+ p j# a8 S9 e8 `3 I) ~! RWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 2 S" K" `3 e- ^" [ WOW Weight on wheels , A1 q( r) \' B! s8 Q4 BWP Waypoint . B2 g1 e/ c! Q: q0 V% J: U WPT Waypoint M4 y/ I; D" ^/ n9 [. E4 R, u3 uWRAP TEST A test to send data to a device having it sent back unaltered * L* L' r: B L WWII Waypoint 3 m, f# l4 w# u- d. xWX Weather ! h" z" h9 u9 k) A$ m) {% F5 B WYPT Waypoint 7 ~$ H) |+ q7 r1 {* c; }' CWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. & E2 k6 j" P n X-BAND Frequency range in which most general aviation weather radars operate. 9 q& o9 H/ O: \8 U1 h/ m UX-BEAMS German radio beams used to guide their bombers to the target $ q8 o4 O, I- ^XPDR Transponder. Radar-enhancement/data link box for ATC purposes. 9 T6 t: ]) `. F" `; l XPOND Transponder 1 P6 m% F+ `( |2 f7 P/ P% u) g2 q) s2 VXTK Cross track; cross track error. 6 S, f+ Q P+ z) ? XTKD Cross track deviation 9 s$ a( o% b5 F XTKR Cross track deviation rate ' Y) Z3 ?; f" o4 RXYZ 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... 0 l5 L% `/ S! Y Y-BEAMS German radio beams used to guide their bombers to the target 8 w$ J: T- p# j+ m# t7 ? Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. 9 ?/ y' v5 S1 b# XY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 1 V) t% ~- ~2 g) E7 t; \ YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. ) a% Q" @/ p6 G- e7 A( Q 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. : @4 i) j2 R" ^4 H& i" D( aYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... . T$ I" x8 Z* a3 O, o0 G4 HZ Infra-red identification equipment , @" }0 R2 b' o# _/ v 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 d- _- Q. I# |! C! c3 [Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. }: N( t+ W+ V, v8 IZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; " u0 o* O g4 R2 ZZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft ( P5 F2 B0 J( X5 ?( [ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters ( i" Z: p$ {6 T ZOC Zone of confusion 1 Y- K; a$ n+ @% N; jZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 5 o* U1 J" N4 R4 I9 M' r ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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