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71#
发表于 2008-12-30 03:25:32 |只看该作者
TRANSCEIVER Type Rating : Z, p9 L3 a+ `5 ? TRANSCEIVERS A device that receives and transmits + N; \+ q* \* L* KTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 9 L' O; T, B$ T, CTRANSMIT To radiate RF energy 1 T# p6 {" [, t1 x( r TRANSMITTER A device that transmits 8 \' D7 N3 X, xTRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. - b. O0 @, k- j) G# f" K0 @! x% e TRANSPONDER Transmitter-Responder / _5 A; o$ ]6 S TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 3 A% N, W% W% _* a% cTRE Type Rating Examiner : B: } x1 p4 | cTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 0 T6 }+ ~; J F* @6 F4 V( ?TRI Type Rating Instructor 6 {2 ?2 n2 M! ]3 E) ^( t* | TRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. ) e( Z: d- F3 ^4 C% ~3 n 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. 3 ~3 q+ O+ f8 [& v! @' z TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 9 r" ~8 P, X3 d1 }' JTRK Track ( G) C9 P. D: ~2 W: R TRN Terrain Referenced Navigation; 7 C# Z: A5 K q: M, J ` TRN-INS TRN with INS . ^2 ]5 ]8 y& n6 o4 a4 N/ {! j TRTO Type Rating Training Organization $ N9 m9 N+ }" G- MTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; , m. |0 Z' w9 m) p+ i TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. - ~' p$ P3 i7 d4 b+ U3 m TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 8 [( m S/ d2 \8 j' h( h/ j) vTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 9 _2 }' i+ h0 ~7 r, N' OTRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; D! L( { J9 rTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ( h; s$ w- Y+ D- g1 g1 D TSC Total Time Since CORE 9 Y( ~7 M) M3 T, {! n7 V d; S3 w4 A TSMO Time since major overhaul " ?! W8 \1 [6 i; e; R0 @ TSN Time Since New (also TTSN) ) G4 P0 N5 z) J, a7 Q, I3 f# j' \TSO Technical Standard Order 7 c0 d% |$ y6 q$ @9 D, v TT Total Time Airframe 0 [- ^% f% ?, i: q* g2 D% TTTG, TTS OR TTW Time to go, time to station, time to waypoint. ( d/ x2 P5 q- m$ a t TUBA a jamming device for Freya radar operating in the 70-200 MHz range % ]7 y/ m+ h3 a/ n: ^TUNE To set the operating frequency or channel for a device . |8 I7 T3 _7 u TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 6 T. K2 S4 e7 \ 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. $ D3 Y! h7 d; A/ W4 _ TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 4 G" k# e4 _. Z+ O P5 G1 ` 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. - b0 F5 ]; R0 N% Q" l4 b- u TWR Tower (Control Tower) 1 W. {0 u+ ^4 N 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... ( W# e. q; \8 u4 p" fU Airspace Euro control project Class U (unknown traffic) 4 T# P2 k5 y1 Y N+ r7 j, U, |$ R) hU/S unserviceable ) J: u1 L1 y7 v) L# z8 v U/V ADF UHF/VHF Automatic Direction Finding & P+ ?0 d( k' k3 r7 l6 i UAT Universal Access Transceiver , \3 H7 o$ ?% U7 [UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle $ [/ I7 W% w! F" J UFN Until Further Notice 2 w) U' |8 z8 s6 R; n' N$ V6 x UFO Unidentified Flying Object / X* p% v6 E. s. C5 a1 yUHF Ultra High Frequencies (300 MHz-30 GHz) 4 w6 t" D6 ?0 q! MUHF/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 @+ l1 m4 d, q8 ^9 U3 oUL Ultra light, Ultra-l©ger motoris© - Z* r# `: g2 Q& {. { y1 I8 \" E% u' ] ULM Ultra light, Ultra-l©ger motoris© 2 E! i D1 m! o/ uULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ( x" E) Z; l; c. p$ i1 z/ N" `' r UMAS Unmanaged Air Space (Euro control Definition) 9 M& k( b: b/ j# j$ l1 T2 q3 X 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... ! ^: d, B3 v( U. n% uUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 8 Z4 @% U& D2 N- EUNIT 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 ... " x8 A' j' U; F" j0 i4 D7 hUNIT 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... # q9 ]$ R6 _# xUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; " y3 y% N' C) ?- A0 z6 mUNIT 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... & j3 |! `7 M; O1 F" F* A 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... % h/ q- A* \) t3 f& Z, X 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" r" }( J8 \' J, z. T" c/ u. @ UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 7 n* D5 s: D9 o, o& q( W2 Z# m1 [ UNITS A standard quantity, such as ft or mi; Synonyms: dimension; % Y( W J% D& e' a. D 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; T, [& v- y9 i7 U$ |. g+ qUPDATE 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... " h) w4 q; v9 E9 _" {1 o1 ?2 S UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid ' e# x Z3 A# G% u2 Y URB User Relations Bureau (CFMU) + p% x( r/ T1 k9 q9 ^" i USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon ' {0 e' j6 ~3 ` USAF US Air Force 3 e; y2 I+ e; T* L' G USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight 0 a/ q# m& D: u& \: a' }7 ~7 [ USG (AL) US-Gallon (3.78 Liter) 7 N6 J0 o! R" G" d! S2 d3 [0 cUTC Universal Coordinated Time. 0 e/ l1 X) ]( _$ d UTM Universal Transverse Mercator ) Z# m: _0 \$ [9 |8 L5 jV 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. ; |8 q! N5 r9 h V (Y) Speed for best rate of climb. $ T+ V/ z! x1 v+ d: Q V1 speed for best angle of climb. 0 R0 K3 v- h! F$ u5 u VA Maneuvering Speed (max. structural speed allowed for full control deflection) , p9 I0 q6 P% N, {2 ~) M VAC Volts alternating current. : ?# {! |3 a, O( L' [# F0 x* a0 aVAL Visual Approach and Landing (Chart) $ h$ v" ], J* N! M5 m& o" L VAR Variation # }+ F; Y# e Q5 ` VASI Visual Approach Slope Indicator * p5 a& U& ]' P9 u5 e" l VAT Value Added Tax ! [. _7 T/ Z% D: V6 t' CVB design speed for maximum gust intensity. 5 T: u4 A4 M" U7 O4 [7 T VC design cruising speed. ' o3 x/ J1 w& q1 N2 E VD Max. Dive Speed (for certification only) 2 y2 M2 b; a# A" v# m* M8 sVDB VHF Data Broadcast + \+ Y- v7 R$ TVDC Volts direct current. ! E' r* i7 N' A- e! S" q+ L4 f* uVDF demonstrated flight diving speed. 8 s' q; y; o' t' h U6 g% Y+ P' ` VDL VHF Data Link (-n = type n) 1 G6 o7 G, a+ c# Y! ~" ^ M VEF the speed at which the critical engine is assumed to fail during takeoff. n% u! e' i- E1 a' c/ W5 K 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... ]0 m0 `- E0 E+ D: B 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... + l- f% L" x1 I VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; : n# Q4 \7 }3 |; c4 @ O" h VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; 9 P1 k8 ]+ L9 v" Z- u2 |3 B VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 9 p1 j5 A/ R9 x9 h* P3 B9 a3 u, kVENTRAL 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 ... 7 Q- h* H2 D, M6 J, ~7 k5 j7 v VERT SPD Vertical speed hold 4 j! ?$ \ ^5 H, s% G/ jVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; 4 w, O. F: A! P! a0 Z5 ^* W; N VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; " a2 l0 n& Q" E H8 { VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; * W8 s* ?/ d. L" j/ W" ] VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... 5 Z; ?! B% M* v/ c y, P9 R VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; ; a7 v3 T4 T Z9 E- NVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. $ Y, ^8 C$ H" a' T" j- R+ w VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; ' p( o# n0 n. _/ _3 _ VF design flap speed. $ Y' A3 H+ g0 l4 z8 N- g N( @VFE Max. Flaps Extended Speed ( ]4 w( \% N" C VFR Visual Flight Rules ("good" weather operations rules) ( [# h3 e/ W8 h* Z& h4 `% |* a 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... $ q/ v4 k8 ?/ [8 Y6 i& B! i VH maximum speed in level flight with maximum continuous power. % n3 G- a. B; m! G m8 NVHF Very High Frequency radio equipment. & r8 }9 H7 @4 `$ {! a1 V& DVHF 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... / i1 {: o2 n( v/ W. h' \ 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... $ J Q" E/ v- M" RCVFR Controlled VFR (still existing in some countries) % D7 B# J2 j- O. U! L8 V CVR Cockpit Voice Recorder - ^9 x% f# {2 A- D" L CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 7 U' W9 {2 O$ oCYCLIC See: longitudinal cyclic, lateral cyclic; / R" B# p }/ ~, ~D Airspace ICAO Class D 8 ^0 H$ E6 u0 c5 Z' [2 qD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) - w. Q+ r6 c5 q, C7 G* `) NVISUAL 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... % |/ g( c7 D1 ]' z' N VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. . K& S1 |/ T4 M: N r( kVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) : l5 v# ~( B' ~3 uVLA Very Light Aircraft (Aircraft certification category) / Y/ a% g+ w; D% E3 i4 Z& [/ j$ @7 w VLE Max. Landing Gear Extended Speed ) x. |+ F. l qVLF Very Low Frequency radio equipment * F; G$ L" o: z- Y1 r! r7 c/ S8 J; P# ` VLO Max. Landing Gear Operation Speed K. H" l5 j- C VLOF lift-off speed. ! y" q$ j& K! j. A' `7 L! R7 _+ O* I& oVMC Visual Meteo Conditions ("good" weather for VFR or IFR) , _! Z) S- N. B& X, x VMO maximum operating limit speed. . D6 O, }3 h9 R% H4 I VMU minimum unstick speed. ) M1 u, @6 x2 k! ]+ Q* o5 | VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 5 M8 v; ^$ B4 H$ e% z* q( tVNE Never Exceed Speed % J& k0 ?2 P/ K6 D; \ u: H) ~) R VNO Max. Structural Cruising Speed , A; c3 Z2 W6 Z7 ^4 T1 D$ { VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 0 I; z6 b6 ?: C7 C: A+ c1 j1 j/ f+ iVOR/DME Vertical Navigation (GLS) 2 K( z5 ?4 o/ x% Q6 M, A% uVORTAC VHF Omni range; 3 n% h2 N! ]& T: O( u9 Z5 sVR Rotation Speed . |* o/ o, [# A1 H; | VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. # J- u5 D$ k% J. AVS0 Stalling Speed Landing Config $ E) _7 Z0 w% U VS1 Stalling Speed in a specified Config. ( v( l3 @0 s: AVSSE Minimum Safe Single Engine Speed 2 P) H# Y% I) b- jVTOSS takeoff safety speed for Category A rotorcraft. $ G/ r" C$ Z8 h p VX Best Angle of Climb Speed : \; p# b/ T0 M- X5 z0 _ Q VXSE Best Angle of Climb Speed, 1 engine inoperative 7 X1 m' T7 f2 i+ e: {6 S: d/ ] VY Best Rate of Climb Speed 8 B2 c& O2 q* a$ [VYSE Best Rate of Climb Speed, 1 engine inoperative 6 T$ v0 P5 G8 o2 \6 c) t+ JWA (IAOPA) World Assembly , P D+ t9 `6 c4 H4 Y8 }, dWAAS GNSS wide-area augmentation system. 3 h+ d, `; {$ rWANGANUI Colored flares dropped on H2S to sky mark a target 0 G) _0 d% u$ {6 I% h7 YWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... # A& r" v* m$ ?+ A# X4 A8 Z WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 4 h7 p$ W9 }! O# A' x+ CWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; # _" K7 U, D8 N4 E 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... ' L ^( v7 v" p9 \6 | WASSERMANN German long range radar with a range of up to 190 Km. / b7 L+ Z* _, f, U" o WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... / Q" F; g: \; a5 L* X; g, r9 d 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... ! N1 V* i" r1 y( n WAYPOINT APPROACH To approach a waypoint & f: T4 [; T6 t; o$ `1 gWCA 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. , @. D# {4 @) G3 V: e 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... & V. c+ ^3 U! ]6 I& C5 W0 sWET WINGS Method for containing fuel in wings without using rubber fuel cells. ; V+ R* s+ {1 [: D! r" ? WGS-84 Wide Area Augmentation System 3 Q3 I1 D& I4 r9 f3 \- m; @WGS72 World Geodetic Survey 1972 ) [6 o O! d- |# V* ? WGS84 World Geodetic Survey 1984 4 K# F9 r" o9 `& C/ F1 { 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... ; n6 Q2 L4 q/ ~. Q' W) vWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... + M5 K! Y% \' |; A5 F1 } 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... ( f! d* w# H2 D# e4 i2 u WHITE BOMBS Nickname for propaganda leaflets. ' I1 G- o/ Z; m+ k' g% [2 f f& f WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft , g/ Q, J+ Z) D* C$ [ 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 5 P5 c1 P. [- m7 \; vWIMS System Wide Information Management 2 S% m2 w" [" W2 ]. M5 P: pWIND BEARING Symbols: B sub W; Typical Units: rad, deg; 4 n( p* Z6 o* I- ?) A WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; + o4 G5 W m. }WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars # L: ]3 D. k2 p4 ^; F5 w% s5 b; M 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. 0 I9 q1 p5 w0 F: l: PWING The main lifting surface of an airplane. * o& s6 P8 r9 v) j7 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... ( p L6 O/ c' v+ p4 X# x: iWING 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... ( @2 v7 G8 c- w) M) p. E WING ROOT The centerline of the wing, where the left and right wing panels are joined. + n7 p4 [& n& L$ u: z( xWINGLET 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... 7 i; L. ?) G7 g2 T: Q WIP Work in Progress 2 k/ r* R8 P: h+ J7 X8 _: O, fWMO World Meteorological Organization : ^) @1 S4 j3 N; J' LWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; - Y( k$ z) ~, i& w5 ` WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 1 V# V4 F/ Z8 Q5 j# r5 Q/ KWOW Weight on wheels . T& V; M* `3 c1 N& F G. WWP Waypoint $ D* U$ C7 m1 J% kWPT Waypoint : D/ g2 y0 {4 c# v3 \ R3 G# R7 M WRAP TEST A test to send data to a device having it sent back unaltered ( F# l0 I' h8 e+ Z( oWWII Waypoint ( Z( Y& x& c5 G. x1 w8 W WX Weather 2 C5 \( p. u @; y7 ]WYPT Waypoint , V- q9 y( q. _ WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. + H& C6 H6 S& ?2 \6 D X-BAND Frequency range in which most general aviation weather radars operate. . g0 W7 [: D! Q( C& |X-BEAMS German radio beams used to guide their bombers to the target $ O* Q1 M8 n7 K) e6 D0 o; t/ XXPDR Transponder. Radar-enhancement/data link box for ATC purposes. ; R( K5 z& o& S- |8 N0 L XPOND Transponder + g( y( e/ K" ]9 A3 CXTK Cross track; cross track error. ! f- M$ c1 i7 t V1 O5 O0 D* R$ K/ h XTKD Cross track deviation 8 O; f" Y# J' s1 H8 ?7 [% I5 d1 DXTKR Cross track deviation rate ; j3 ~7 p% [3 zXYZ 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... & v- \4 |9 y" Q/ Q. Y/ m Y-BEAMS German radio beams used to guide their bombers to the target 2 {3 @& p% _6 r7 \ z9 G$ \Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. ( g0 x7 T- p3 w5 k 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 9 \1 N; f) ^5 @$ g' t3 D3 p! E8 y YAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. " `& f6 x2 ~9 N" C4 t% M* c% _# ^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. & G4 {) N% u" A6 O" S# H$ e9 YYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... " [" @' o5 h5 j3 OZ Infra-red identification equipment + i* c; X& r" S0 R% u3 eZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... ; [" b# y8 U7 x: R; S: cZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. # m- W/ k7 D: 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; , {0 A) a7 ?) N2 p: l ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 1 u7 y" o- u5 Y% E# I/ Z ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters , z' h7 n" U+ i, VZOC Zone of confusion ) j8 r* d3 i0 c. I ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; . w2 \4 g- J& Z& g ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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