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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 - {. |' N3 X% s8 P! u5 `& Q# _- N0 ETRANSCEIVERS A device that receives and transmits ( k1 ^& k7 `4 F6 |# @# A& P- [TRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 3 I# E* e, H @8 T4 t TRANSMIT To radiate RF energy . K+ S3 N( y! D TRANSMITTER A device that transmits ( V% B8 h: q$ t4 B, A/ w4 `" M5 U TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. 0 _, `2 d- c! P3 V; w" o( E' DTRANSPONDER Transmitter-Responder ' h( t n# n5 z4 ?TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 0 Y* F% y: d p% v TRE Type Rating Examiner * o/ e' F9 z$ |9 w$ ^7 ~0 Q1 Y6 N" RTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 5 T7 A% b: ?0 C1 y1 U! g) v: U8 kTRI Type Rating Instructor U) E, G- S9 g4 nTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. W$ ~) Q U$ A' H; q0 ] 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. 8 E4 P8 Y6 S6 f+ ?8 KTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... " `; s( y9 y) d1 s0 g6 xTRK Track 8 D l4 ~( ~( m( \# b/ B, W/ p6 j TRN Terrain Referenced Navigation; . p# d6 \# \9 O5 x9 z TRN-INS TRN with INS 6 C7 }3 q# k- D9 H4 oTRTO Type Rating Training Organization + \7 B' }7 h5 n E& YTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; - z: C! J3 v3 @; ?5 X* e, ?TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. i7 }1 y% v3 `/ d* O* cTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. ( D. a. ?$ f* i* i1 t. y TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 8 u6 ~: j3 |; t, {4 M2 h: U" W3 Z TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; : {: ?2 c, j5 p; y, VTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; - i* `8 P! I- }" k TSC Total Time Since CORE - ^7 V, u) y1 t, o/ k/ T" g4 K ? TSMO Time since major overhaul 3 E0 h0 {* @+ {$ `; ITSN Time Since New (also TTSN) 5 g8 l5 z* C+ ~/ o7 Y# iTSO Technical Standard Order & c4 f( o: j' L. `TT Total Time Airframe ; o* Y) n/ p9 p/ B- B% q ?! {$ LTTG, TTS OR TTW Time to go, time to station, time to waypoint. % s0 ~3 {1 \+ N! \- o TUBA a jamming device for Freya radar operating in the 70-200 MHz range ) @1 k, {9 c' z9 g% m" Y8 oTUNE To set the operating frequency or channel for a device }7 B8 q: h7 s; T! l2 O! rTURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. # X5 \2 ?3 g4 V7 f0 w! J% TTURBOJET AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which in turn operates the air compressor. ) y! G* R! r1 c" w. k( xTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. & V2 N) ?. x) t+ S 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. % ]6 V1 _! \* b5 z) U% z1 ATWR Tower (Control Tower) " K, X9 |/ f0 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... y8 r- I/ P" Y# L% U U Airspace Euro control project Class U (unknown traffic) 4 h( n) z, }/ k/ z- G5 W9 ~U/S unserviceable 6 m+ V3 _" U: K# F# c) S8 ^' v U/V ADF UHF/VHF Automatic Direction Finding 7 I3 m: M3 t# \ q0 r: YUAT Universal Access Transceiver : F( P4 i& W8 D, Y( M UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle $ s+ N" |' a7 F$ z( Y! k5 ?- i( M& oUFN Until Further Notice - e% A7 s6 K3 a" z/ xUFO Unidentified Flying Object / h$ E8 ^( u/ Q UHF Ultra High Frequencies (300 MHz-30 GHz) / j" W4 M+ _& x: j% s+ i6 F: 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; 6 y- m' D+ i! p6 F {; FUL Ultra light, Ultra-l©ger motoris© 3 k& M- `2 K, Z. r! h7 G ULM Ultra light, Ultra-l©ger motoris© 4 ]2 `9 Q2 L1 B& m* BULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ' W7 }5 T- I, U! O, j+ |& |UMAS Unmanaged Air Space (Euro control Definition) ; c9 l( S% u' m 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... 4 x; q/ c! L e7 z! t2 AUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. H3 J" a9 M2 P 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 ... 5 [" \9 V9 i+ _# e. b: y2 ? 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... ; M2 Z$ p+ d9 n' E UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 5 N) s* D2 x) c* d0 x 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... ! S) l2 |! I3 g7 x2 F0 j. \0 V 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... - R: S7 U; j( q1 z0 [ 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... $ ^, p! L4 ~8 u% f' N- v, A UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. ) t( R; B* Q6 NUNITS A standard quantity, such as ft or mi; Synonyms: dimension; ' u4 P8 ?, M( v% g9 `$ S; 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; `# W( N, l) G0 t% M; W# j9 IUPDATE 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... 5 z. A3 p4 }% P( s) B UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid 1 |0 F. p4 C' c' U" p URB User Relations Bureau (CFMU) - n, r5 O( T: U( B# k USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 6 b% Y9 V4 Q, y0 t" D, H/ c1 NUSAF US Air Force / n, a4 a% Y% [5 y8 G% S3 k6 e USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight * u4 B# f* S4 Z oUSG (AL) US-Gallon (3.78 Liter) I* J) }2 ~5 r4 | b6 @ UTC Universal Coordinated Time. % ^; [0 T5 T* h4 s9 W7 ?UTM Universal Transverse Mercator # l! ` y/ W3 Z# _( x1 nV 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. * c/ |2 W8 h* g) R8 r: g! {& fV (Y) Speed for best rate of climb. ; f" _1 x3 r- P" M V1 speed for best angle of climb. . i6 E/ u8 a9 z. BVA Maneuvering Speed (max. structural speed allowed for full control deflection) 7 ]( s+ m% t5 Z3 X! y, }/ @VAC Volts alternating current. 7 f( y& K, f3 }0 {9 H VAL Visual Approach and Landing (Chart) " @# }& B8 S2 _, q VAR Variation 5 h2 q' J" W7 \6 c VASI Visual Approach Slope Indicator + J w; A; M& l- f& b; `; P VAT Value Added Tax 6 K# D5 J! K: P' \4 B+ JVB design speed for maximum gust intensity. + C6 [: F+ L5 C* K! F5 ~ I VC design cruising speed. ; a1 U. p1 ~, Z8 c) @% U& p7 wVD Max. Dive Speed (for certification only) ` k7 L" G$ e0 e9 {, r# N6 kVDB VHF Data Broadcast ( T" o# \1 D- FVDC Volts direct current. * Y8 }$ F: E) w& S3 |- gVDF demonstrated flight diving speed. - x' D+ w9 ~% X* \2 W. k VDL VHF Data Link (-n = type n) 8 c R H) e5 s5 W7 f5 M: O1 F VEF the speed at which the critical engine is assumed to fail during takeoff. + e, Y9 ^; n4 d7 h 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... ! p' c$ s3 Q3 z" F; s, ^7 y$ v 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... ; g, p. h. g) E5 N+ RVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 1 P" ^7 ~, y; W5 t2 x j$ C. {8 f' X VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; 8 `" D( i- X+ l% M6 M+ Y VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 4 N: b/ x2 L( w5 ~ 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 ... % m. p% j, L8 b1 f VERT SPD Vertical speed hold # f+ Q# ?' d. y( h( H2 ]! b! F# ]VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; , ~. r. F+ N) I* Z+ V8 ? CVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; ( F6 O5 T! b4 i8 M! { VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; " p: |' K6 |* m+ Q! C' H2 _9 I7 T, CVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... " {; f9 g+ C$ d7 Y8 D* a; q9 E VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; / T/ Z! q; C0 ~% {/ BVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 0 W4 ~$ L) F3 X# K0 JVERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; 7 c% {0 M8 b" E" i) a- UVF design flap speed. : M$ r' A' H$ j+ }/ v* YVFE Max. Flaps Extended Speed ) T3 p' a! u5 r& u \ U) ZVFR Visual Flight Rules ("good" weather operations rules) ' i2 _% z) q6 z; B 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... ; V1 _) x8 c$ C) O+ d- P VH maximum speed in level flight with maximum continuous power. " J, w/ m" C, C6 _0 aVHF Very High Frequency radio equipment. 1 @* I W: w6 I' H r# @! H 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... $ W; h" H- d( Z. |- 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... " A3 K- w& T% N9 O CVFR Controlled VFR (still existing in some countries) 5 f2 b b! ]' F% @% ICVR Cockpit Voice Recorder , K; M y7 l g& X+ X& |CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. ' f) F! |! P4 Z- `% F7 X CYCLIC See: longitudinal cyclic, lateral cyclic; ) v+ z! T, n, r D Airspace ICAO Class D ! o! `, b5 B4 s) A% v; o) g- y2 K3 nD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) + r* Y5 Z! {9 L7 c+ F1 r 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 p% i. |$ D: T! bVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 9 c% ^! u4 U6 F" J0 ?2 Q7 ~ VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) - }; V/ E, N" X+ f2 {8 [% L" [8 NVLA Very Light Aircraft (Aircraft certification category) ! J. @$ I! Q9 F- f# x3 z+ LVLE Max. Landing Gear Extended Speed ) c+ i9 T* d6 [; Z/ u( cVLF Very Low Frequency radio equipment & {' l6 _! l3 w* u7 R- U VLO Max. Landing Gear Operation Speed / q) u6 R* L3 T/ K+ Z' S6 L4 K2 oVLOF lift-off speed. ( H1 A$ \( v& l5 VVMC Visual Meteo Conditions ("good" weather for VFR or IFR) 9 J/ e) c0 K9 M6 ~8 i VMO maximum operating limit speed. / n9 ^( y9 v& B& o; U3 SVMU minimum unstick speed. 5 R7 ]% N9 E3 Y0 _9 bVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. + g/ J5 M5 `6 r! v9 t) L VNE Never Exceed Speed : S( m1 @ g& UVNO Max. Structural Cruising Speed $ S/ j2 K4 e' y3 v5 b' SVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 7 q/ z/ ] A0 k6 a | VOR/DME Vertical Navigation (GLS) . V0 H; X( Q0 @+ X' D VORTAC VHF Omni range; ; _, X( t2 I) f3 t- o1 SVR Rotation Speed # b$ y0 X+ d1 }: H8 {; Z0 C) KVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. # F1 [* E3 i, @; d/ ~" { VS0 Stalling Speed Landing Config 8 a& Q. R7 h% h2 H* Z5 }( @VS1 Stalling Speed in a specified Config. 7 L8 ~! P3 ~: ~3 _( n8 ]9 BVSSE Minimum Safe Single Engine Speed # R8 r8 Q+ {. g" `' X/ {5 I VTOSS takeoff safety speed for Category A rotorcraft. + Q7 L# q' N* v VX Best Angle of Climb Speed # g6 m3 ^' X2 wVXSE Best Angle of Climb Speed, 1 engine inoperative $ O. u+ |6 p1 N. N$ g1 vVY Best Rate of Climb Speed 9 V6 A+ }3 r# o$ @ VYSE Best Rate of Climb Speed, 1 engine inoperative / s: g* P: t( u2 N) R" x WA (IAOPA) World Assembly 5 B; i: a3 Y& @/ t. D/ x$ M7 A WAAS GNSS wide-area augmentation system. / U6 N" c+ c2 w$ _% M" a* @WANGANUI Colored flares dropped on H2S to sky mark a target ) j9 k( Z' A) x7 h+ e7 `3 BWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... 3 G3 N+ R% `1 U" F+ \3 i+ b; n1 wWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 5 t C- u5 s$ Q5 i 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; * z1 l/ C6 _2 A! g9 P 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... $ P5 F5 u' ~3 e) i8 |2 E% a WASSERMANN German long range radar with a range of up to 190 Km. 6 K7 M! b" R+ l4 A3 K% A) oWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... * ]* G9 d8 R, Q: n5 ^ 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... 2 F# S% X. _8 p6 T5 o# i WAYPOINT APPROACH To approach a waypoint , L1 H8 h$ I! J4 U0 z% n6 K8 KWCA 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. " ?+ b1 G6 P/ b2 N. T 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... ) I: z5 {- r: B# J WET WINGS Method for containing fuel in wings without using rubber fuel cells. 3 F9 t0 }( v) @4 P& _ WGS-84 Wide Area Augmentation System + l2 b# d) d/ O WGS72 World Geodetic Survey 1972 + S# t6 b8 L; FWGS84 World Geodetic Survey 1984 5 u! Z' A) I. M. e' ?1 Q 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... $ n2 m, E' C4 FWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... 8 E* n! U- K: c* u/ ~5 G" f, \$ | 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... . n% h+ y6 A) i, IWHITE BOMBS Nickname for propaganda leaflets. . C/ n" ^; G8 W+ Y WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 1 h$ s8 W7 \" h3 t+ U. A 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 ! L1 x3 u+ t. r6 e WIMS System Wide Information Management # X5 H1 r4 n) w! S1 V) |) p WIND BEARING Symbols: B sub W; Typical Units: rad, deg; 3 c* ~: D! \9 f/ H4 r1 LWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; % x$ g: R( h; U2 Q# @$ N2 F3 KWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 9 C( f" P: o7 g% a% {6 ?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. ( S4 e' v$ ^# m4 m8 E+ g WING The main lifting surface of an airplane. 8 L9 Y) h! C; M# Q: R9 hWING 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... 3 k# `( o2 R! S) D8 Y 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... $ }6 o. c4 E, ` S x) tWING ROOT The centerline of the wing, where the left and right wing panels are joined. 8 x' n$ o$ n4 y 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... ( a9 \2 l: }: P( Z5 a2 N3 D* n WIP Work in Progress 9 x2 O. i4 @! v7 V& m* VWMO World Meteorological Organization - T# l; s) D" O' P/ yWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; - g; h) y c, J0 F' p WORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; - |& w N: |( N6 M3 r2 z7 h. HWOW Weight on wheels ( w' u2 K; Q& W! W. c$ t WP Waypoint 6 @# X0 K1 o! E/ `7 N" k WPT Waypoint , g( v4 h1 g: B* Y& C. z Z" _) hWRAP TEST A test to send data to a device having it sent back unaltered 9 ^$ p6 l5 _9 FWWII Waypoint . Q9 q% V. y1 M+ c" e- u* D$ hWX Weather ( n3 m; X0 ?8 L* y) {. I0 K6 n WYPT Waypoint % `- [% T4 {# T q$ F WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. ; r$ ]+ Q) z5 i- j8 P4 N) U) g X-BAND Frequency range in which most general aviation weather radars operate. ; Y/ n `9 y$ l) u/ r9 T# [ X-BEAMS German radio beams used to guide their bombers to the target - p& E% G! Z/ l' M$ j4 s XPDR Transponder. Radar-enhancement/data link box for ATC purposes. 5 B& K/ N! m, a3 R$ ^ XPOND Transponder - Q. G( C- ]0 W0 [# I h1 o5 zXTK Cross track; cross track error. . Q0 y) J8 B( n1 ?$ r8 V/ x2 i8 Z# c XTKD Cross track deviation " B/ T2 a& b& |5 Y5 f ~7 QXTKR Cross track deviation rate 5 O1 v8 E' v: ^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... 9 e% A' E; n8 g- Z) n) uY-BEAMS German radio beams used to guide their bombers to the target + j& B! F/ L- S* n, `Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. ( B4 O: s6 C! f% v) a/ Y 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 ) h) @8 l' @# u* o! oYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 9 z# \0 @! z, R. ^( K8 g5 _) w5 } 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. ' J# t5 P" T# | YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 9 S$ l, ~" P4 m& R# I7 V. L3 D$ r G Z Infra-red identification equipment 8 ~5 x! b: f! E2 ?, Z$ ?* [ 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... ' \; `, E& V9 S1 [- qZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. _! _3 s, R) K% p( V/ @8 s2 EZ-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; ' q. R8 W* V/ PZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft + [7 y; G* r3 C ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 8 p! f) o! W# \ ZOC Zone of confusion ; `$ y8 A1 A; r ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 3 J* h( c. d- Q4 M# a; Q# W ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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