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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 \7 @; g+ i1 G! j& W TRANSCEIVERS A device that receives and transmits 9 d7 H! K2 R5 o2 n VTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time % F7 L. ]# k7 |5 i2 Z- y) xTRANSMIT To radiate RF energy ) S' S2 R5 n) D: ?+ DTRANSMITTER A device that transmits / I% L- u5 x% l6 O1 X/ A TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. # M+ G8 Z3 R N9 I+ E. b TRANSPONDER Transmitter-Responder % p* J1 w/ g1 ^! G6 n0 R; f$ `" P TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. % l( V5 j! D+ Z TRE Type Rating Examiner 9 @/ E) k" T: y9 H. P8 y: f4 D- PTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 1 v( _+ a. s" i) N' o4 Z TRI Type Rating Instructor $ `( K/ W: W' LTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. : d1 k: m* }/ M* F% y 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. $ v0 P) I9 p" z0 z6 D. W" ZTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 1 z: y- S: Z0 x- d TRK Track ) R" N, k, c6 E' r1 _+ j TRN Terrain Referenced Navigation; " r2 ?6 o8 e! D5 w+ hTRN-INS TRN with INS 8 [; x9 w0 Q; i0 wTRTO Type Rating Training Organization % z4 H, R6 p7 f$ [' \, A TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 2 ]. f1 g3 s" ] K" t8 ~TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. ; s- p/ B/ G, g; ^8 P& r$ i1 pTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. , N( S( |0 R7 t' L: t- a1 g/ VTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; * t6 i3 q$ p! x9 r TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; % c( z$ o& L( B3 ?7 S; x TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; 0 ^3 v: V7 i* U" B- A6 O0 ^TSC Total Time Since CORE ! C9 j& w5 O) Z/ R; q6 f TSMO Time since major overhaul 6 e9 l( }' a6 [$ A' [1 L TSN Time Since New (also TTSN) ( K: ?5 r0 U3 A' u2 ~8 [% lTSO Technical Standard Order 4 Q5 S1 R& M% x) Y9 H9 {1 ? TT Total Time Airframe * I' }/ f- Y+ G* p' LTTG, TTS OR TTW Time to go, time to station, time to waypoint. ! ~$ W+ x0 y3 f! e' k TUBA a jamming device for Freya radar operating in the 70-200 MHz range 7 z& F$ B# C- T1 cTUNE To set the operating frequency or channel for a device : n* C$ c+ C3 `) s6 m" W! OTURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. ) l% ^1 |( E7 n+ z# N; ~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. u" r8 L% B) J) P/ l8 M5 g$ vTURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. 3 S1 s5 I" |5 G5 i" ~ 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 a4 t! I4 @( G: K! L TWR Tower (Control Tower) 4 Z$ T. G5 `$ V2 x# i" KTYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... 5 C/ ?. [2 A" x" H; k. v5 |/ V U Airspace Euro control project Class U (unknown traffic) 5 K$ I& m4 f+ A' B1 XU/S unserviceable . l& i4 \% C& vU/V ADF UHF/VHF Automatic Direction Finding + j0 t8 k* s. J" J/ f- V/ `. G" cUAT Universal Access Transceiver 0 w/ _' I; B& f7 RUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle 9 m& E' r1 M: X% G/ gUFN Until Further Notice + _9 U0 I5 c0 b R4 {, ]! Q% ^UFO Unidentified Flying Object " z+ K! j6 f" M0 G) Z7 n' sUHF Ultra High Frequencies (300 MHz-30 GHz) 4 c, |/ r& d* D+ v! f* J1 A# f3 H 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; 1 P- {- e4 A! s% l/ L# N# V/ TUL Ultra light, Ultra-l©ger motoris© ( b" w" _1 v7 H% a* D7 YULM Ultra light, Ultra-l©ger motoris© 6 j e0 g( \# G, GULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... ; H+ f/ n% O4 M @9 ^" W9 @( J R9 ? UMAS Unmanaged Air Space (Euro control Definition) 4 I5 O+ Y% i( L5 F 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... 7 M: j1 S+ }, {& s UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. " ~! [9 ?& d- s. l6 b$ M0 `( O% {9 ^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 ... ; Y' N* c N/ R, Y- f 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... K0 l, }" n" qUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 9 G. ^! z$ z9 V8 e% @) I 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... 9 B$ ?- [! u# h+ a" X( X 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... , U# O- q* @" |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... 3 ~3 D& `$ d$ k" j+ j" w3 \ UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 1 [( H _$ q/ V+ u UNITS A standard quantity, such as ft or mi; Synonyms: dimension; 2 }1 l% f% W( |# s- S) K 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; & R& U$ E# e. _4 ]# e& }7 v8 q& S 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... 3 ^2 b0 n( P+ ~/ j' t" v UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid / ?0 o' e; N" J8 R4 b0 `* JURB User Relations Bureau (CFMU) 8 W. j* n7 M2 P: n USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon + M1 O3 ]/ J0 `# D$ y) w! L USAF US Air Force 3 N, o2 s9 F; y! I4 \* y1 TUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight H" V" V3 G2 W8 f9 g* X3 qUSG (AL) US-Gallon (3.78 Liter) t8 F* [" I! \- f0 O! Y6 |& [- @ UTC Universal Coordinated Time. n( q7 x: Y: G# j UTM Universal Transverse Mercator ) z( [6 ^7 w7 i( s' lV 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. 4 ^* k" \; q9 b2 }! S4 f V (Y) Speed for best rate of climb. 4 m5 ^: n# x( S8 P/ ? V1 speed for best angle of climb. ( `1 e3 @6 x- ^$ dVA Maneuvering Speed (max. structural speed allowed for full control deflection) $ _" x! S7 Z d# \7 H/ D( X3 v VAC Volts alternating current. ! ` v2 r5 \( s, d8 Q y( F* M VAL Visual Approach and Landing (Chart) ; j& k' J; q7 A$ O; v XVAR Variation 1 ^/ K2 @7 ?" d& d9 }3 t. { VASI Visual Approach Slope Indicator ^9 V3 X- o6 B* b8 g VAT Value Added Tax 9 _% q- C# H/ t" p7 ?' `3 s VB design speed for maximum gust intensity. & @& C6 c# |* gVC design cruising speed. ' l/ e& Y/ H1 cVD Max. Dive Speed (for certification only) 5 @/ E; A. D: | VDB VHF Data Broadcast % d+ p' O0 }1 b# P$ e4 T8 RVDC Volts direct current. 3 q' G/ L- |0 n7 W/ {( J) }VDF demonstrated flight diving speed. , l7 ?. g( P7 {1 ^VDL VHF Data Link (-n = type n) % A! Z0 ^" ^5 s. b- _! w VEF the speed at which the critical engine is assumed to fail during takeoff. + R' ^0 t& K! n( A7 t6 J m VEHICLE/PEDESTRIAN DEVIATION(VPD) An entry or movement on an airport movement area by a vehicle operator or pedestrian that has not been authorized by air traffic control (includes air... ' k( i; V" s7 b8 y: O; o" u0 bVELOCITY Rate of change of location, either scalar or vector, often with subscripts such as ENU or XYZ to denote the coordinate frame; time derivative of posit... 8 W3 X- h) {5 r; H" Y" O VELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 7 c5 v9 p1 l; N* \! E aVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; ; l/ p7 \& b$ { j# PVELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; 5 D' n) e. P& \) r7 ~1 Q7 F9 t 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 ... . ?8 Z# L$ ^3 i' J7 p VERT SPD Vertical speed hold 4 G' ^; B& V. @8 \ VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; . ?$ O# @( E5 G2 R VERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; * p, B; b6 Q3 ~* K& R3 [8 h5 W3 E qVERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; 7 U# x1 y! i- W& ~- UVERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... $ ]4 B1 b1 |, h5 y VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; # O! h W+ a5 J0 S1 c" j VERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. 1 R l2 Q7 _5 F* Y$ Y# IVERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; * N2 ?9 g! J: h$ }& `, J- CVF design flap speed. ; X5 y" x2 e8 l6 W9 C2 [VFE Max. Flaps Extended Speed # ?8 k9 A+ r; o: ^# N5 J VFR Visual Flight Rules ("good" weather operations rules) * D7 n/ o- v, X1 L) yVFR 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... 1 U0 d2 e2 q( z6 P }$ X& x5 ZVH maximum speed in level flight with maximum continuous power. 8 z, F- A0 U& b6 v, {4 [VHF Very High Frequency radio equipment. ! ^; z& h& h( Z& |3 ~: C9 \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... ! X D$ O9 _8 E# C% f 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... ( k. a: G+ \5 ?5 j CVFR Controlled VFR (still existing in some countries) ; H$ f3 A. Q# P/ y: Y: kCVR Cockpit Voice Recorder ( |' x3 Y2 E/ k* y CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. * Q# @, k6 u, m CYCLIC See: longitudinal cyclic, lateral cyclic; 2 H+ P, R- o5 p8 v5 }: o- W% |8 p* JD Airspace ICAO Class D " A2 g; V4 X, G" \/ F, j D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 7 ?) h' b/ Q3 ^4 _6 v9 kVISUAL 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... % Y( }# _# E7 j) w; `) Z VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 7 b) ^+ Y% {) V$ t+ @7 [VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 6 I! Q: ~& [: ]3 TVLA Very Light Aircraft (Aircraft certification category) " L! E- l) f8 z# D. G% Y VLE Max. Landing Gear Extended Speed , }3 k! R& _- h+ I VLF Very Low Frequency radio equipment , L7 ~& V4 G/ o2 \' H) n. A* R VLO Max. Landing Gear Operation Speed 1 L4 e# Z2 Z( }% b- Y, g VLOF lift-off speed. 8 v) d9 J5 j) t# L0 l- m VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 0 a" v: A+ [+ G' S" Q1 ] VMO maximum operating limit speed. : r" S7 Y" Q c# ~( \' n- SVMU minimum unstick speed. 5 {$ l$ O, R4 d( aVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. - {- _( V/ I9 r! G6 M7 {7 N VNE Never Exceed Speed . A4 O( n# B9 B/ y, G$ u VNO Max. Structural Cruising Speed " F: p+ M- w w# B- l VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 9 w4 P1 i' H5 K! Z. Z7 h VOR/DME Vertical Navigation (GLS) " p, m; f" F+ S+ @! X VORTAC VHF Omni range; ( u7 V( U! b" d' HVR Rotation Speed & Z% a; V5 a) P: U! a* }; M0 V( _ VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. * u- h7 } [" g( Q" e/ E6 t0 k% R VS0 Stalling Speed Landing Config & w- W9 ? {8 J wVS1 Stalling Speed in a specified Config. 9 a% u2 n! y/ |2 MVSSE Minimum Safe Single Engine Speed 7 m1 \- v& J4 B- n9 D* L8 q VTOSS takeoff safety speed for Category A rotorcraft. 9 E4 Z e: z- r( VVX Best Angle of Climb Speed ( G1 r5 ^+ v5 z) D! f1 a VXSE Best Angle of Climb Speed, 1 engine inoperative + D U- X+ H& bVY Best Rate of Climb Speed - q$ C' O. l9 |: h' X; u! M$ d3 ~ VYSE Best Rate of Climb Speed, 1 engine inoperative 7 \: q# d+ [5 |% `1 n' |WA (IAOPA) World Assembly ; O# S+ e5 X" s- Y' G" jWAAS GNSS wide-area augmentation system. ) g3 u6 X4 l, UWANGANUI Colored flares dropped on H2S to sky mark a target $ `) o6 S* F( s- n* \# sWARNING 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 [ r' C9 z8 ZWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 8 h" ^+ N0 S" P0 C) L! RWASH-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 d7 ?2 j* U* A0 h0 X' C% i 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... * Q: H* o/ R# \& Q5 x" k WASSERMANN German long range radar with a range of up to 190 Km. 0 `; e# c3 T* V7 R3 ]WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... , X9 X% x' L( a0 l1 N( X 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... $ U8 V% ?! g9 O/ R WAYPOINT APPROACH To approach a waypoint 3 `- n, }5 }5 Q; ?) _, U$ ~; 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. ; M* f/ s, b- |8 @0 X 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... 4 _( K1 w" I/ i4 WWET WINGS Method for containing fuel in wings without using rubber fuel cells. " c4 f3 N+ y% @) n WGS-84 Wide Area Augmentation System 4 c' j9 l* A* D# k# UWGS72 World Geodetic Survey 1972 , R: L+ G$ b# m5 ?3 p2 S WGS84 World Geodetic Survey 1984 0 `0 L* M+ B! s7 c) h7 B" AWHEEL 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... 3 d: V5 |5 h, z9 W+ S/ G' Q, _ 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... / ?( E; i# w' e; {! U9 eWHEEL 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... % W5 Z5 t) M$ V3 T WHITE BOMBS Nickname for propaganda leaflets. ) u6 l5 h @7 M/ Q WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 9 S! Y8 n& s7 d' [8 O; d3 h& W 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 . Y3 W1 G6 n5 m7 S/ a WIMS System Wide Information Management 9 u+ |2 z9 @, ]WIND BEARING Symbols: B sub W; Typical Units: rad, deg; ) n6 V0 g( C+ ]# }# J& ]WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; 5 R" w+ N+ y) K2 v2 x/ Y, Z WINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars 5 y8 o# ^ V7 I5 ]$ b) j7 |, I9 T1 c 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. # v8 G& x2 A2 ~0 `6 n3 e; gWING The main lifting surface of an airplane. 6 L3 h+ ^1 }% e/ l 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... 5 m! ^$ k4 _: @" H* o( N4 YWING 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... . F" Z5 g( E/ v4 U4 |* M; @ WING ROOT The centerline of the wing, where the left and right wing panels are joined. % y; H' [0 O8 W# r0 R& Y& LWINGLET 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... 5 Y e: l- t% Y& h' d: [/ }WIP Work in Progress , H4 ]$ v. i3 A9 YWMO World Meteorological Organization ! w( D2 {2 |- [, D# sWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; 9 W, t! A; X* K6 H4 A/ TWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; . r! ^" \$ U W: m- X! X0 F5 oWOW Weight on wheels . e* s `, i. I e3 S3 SWP Waypoint 2 m/ \2 j" m$ k4 S* e8 P WPT Waypoint 6 |. e& G. `; j' w# w$ N WRAP TEST A test to send data to a device having it sent back unaltered / Q# x4 M9 f) D$ @7 OWWII Waypoint % G5 g: m6 T4 V WX Weather $ u; o* H: f! i" g9 B* b+ [WYPT Waypoint N2 y4 @0 M3 ~7 H" p WœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. $ o; S s4 J) X) k* K X-BAND Frequency range in which most general aviation weather radars operate. 2 ^" K- p; ]8 t8 V3 `3 J% [. f8 TX-BEAMS German radio beams used to guide their bombers to the target $ ?, P* c8 K( I1 T) _ XPDR Transponder. Radar-enhancement/data link box for ATC purposes. ' M3 T, c& x6 g8 |3 I7 ]7 q, zXPOND Transponder 2 m- ^: j9 S( a1 E% [& [4 G' z* @ XTK Cross track; cross track error. % [4 S" ^! m0 s' o3 F XTKD Cross track deviation 3 `( h$ A8 ?1 Q2 a8 kXTKR Cross track deviation rate 4 p- A' A0 q# S' cXYZ 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... " Z$ F) y( k `$ y( F6 R% k Y-BEAMS German radio beams used to guide their bombers to the target : M+ F6 _* ]! U; {1 b Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. " l) l# o/ g9 f. k! L+ Y+ @5 E" j& kY2K Year-2000 (computer date problem) NOTE: k=decimal kilo=1000 (1-1000); thus Y2k=2000 K=binary kilo=1024 (0-1023); thus Y2K=2047 0 F R5 _( d' J2 KYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. 3 p( ~6 [) D% b9 j" R 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. ! w9 b3 y) t G& C' Z8 uYOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... & }; o: A3 o" H. z6 n0 b) _3 V Z Infra-red identification equipment 6 n9 M5 I1 t: s8 ~2 o, sZ 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 F. q$ f, Q; ?Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. 6 y# |/ F2 [% v7 N Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; , F8 Q8 R* u; r* r4 i. b& kZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft , B. @4 ]9 `7 \6 Y0 s$ o* ? ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters * y* d5 m% J6 K. k+ z7 r I) TZOC Zone of confusion : i u, k) J) h- iZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 8 \ a% F9 i: R7 G( h* O ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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