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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 J0 N7 W( S8 c* M2 U% o: I( \8 m TRANSCEIVERS A device that receives and transmits + w" g$ p/ r7 z' TTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time % R- t+ i) I e6 ITRANSMIT To radiate RF energy 2 P$ [ ], L) g, jTRANSMITTER A device that transmits 5 q. C3 g4 e! p* c" h TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. $ ]% w" Y, o1 p" ^0 dTRANSPONDER Transmitter-Responder 8 G5 n- Z& |, J- y) {8 O' T1 |TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. 6 l. R% R4 z! v: ?2 nTRE Type Rating Examiner % h) H1 S+ S4 M( B) P' | TREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. ) a8 l' M( c- ~7 k TRI Type Rating Instructor $ b. D8 u0 T6 b G. xTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. , }4 ~+ }) c: j7 D2 N% _2 u 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. " }. n9 C( [; }6 V$ G {5 B TRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... 2 H5 y1 s) C7 y- ?) e4 b3 yTRK Track - F5 g0 |& x( C+ ETRN Terrain Referenced Navigation; % u' I9 y1 k! F1 ^* R: J/ uTRN-INS TRN with INS 2 o! q9 w0 {) d' I4 y# G, t TRTO Type Rating Training Organization * n& ?% K* U' z: C$ G& n( @ TRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; 3 c9 {" Q* F. [( k. U& y TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. 8 H x3 N6 h/ P/ F0 _ TRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. / q# D: N8 ]7 J3 y) r+ v2 ` v; T TRUE BEARING Symbols: B sub T; Typical Units: rad, deg; 5 i7 b! |- S4 J2 ~% D TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; 2 a3 m. S Z, w* gTRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ' z6 o& u/ Y# q3 | TSC Total Time Since CORE 8 b3 M7 X7 K1 E4 Q: O TSMO Time since major overhaul # X& p4 b8 \# WTSN Time Since New (also TTSN) - U6 W3 ~2 U; A7 y R8 A/ zTSO Technical Standard Order - L1 `5 }$ D7 v, t) E TT Total Time Airframe $ ?: y7 t/ W, M* y5 PTTG, TTS OR TTW Time to go, time to station, time to waypoint. 8 \/ X% w2 w h% d/ ? TUBA a jamming device for Freya radar operating in the 70-200 MHz range f( a, O& }( ]: S6 | TUNE To set the operating frequency or channel for a device y% w M% t* k8 _. S TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. : a. R9 A& G2 @5 ~+ C+ G4 j 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. ) T* y: Y# N! T% B; W8 m TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. v. e4 g4 ?- e T 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. 0 Y% [6 a& h" |9 {TWR Tower (Control Tower) 8 Y( ~+ E S* h, {3 ~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... ( I2 M, B! M6 R3 \; s( s U Airspace Euro control project Class U (unknown traffic) ; |: v3 V6 [% C3 vU/S unserviceable * M+ ^4 Z9 t* u6 C. k U/V ADF UHF/VHF Automatic Direction Finding % R5 T$ t5 g" uUAT Universal Access Transceiver % o$ s* h( q: h/ O9 i& RUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle $ g/ T9 C: e& ?! E7 F' \4 [$ B5 R UFN Until Further Notice / [+ Q( J K* [7 L UFO Unidentified Flying Object 1 u6 F8 D0 y1 J6 z UHF Ultra High Frequencies (300 MHz-30 GHz) $ O2 W1 I+ z: |' t# J 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; # t8 A# Y* ^9 c5 |UL Ultra light, Ultra-l©ger motoris© 8 A& X% K) d% a4 DULM Ultra light, Ultra-l©ger motoris© + K$ m& U* C9 v4 p5 m- b6 \, [ ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... / K. p% f' l! i* r* s% {UMAS Unmanaged Air Space (Euro control Definition) , c s4 w4 p5 e" ^4 V3 DUNDER 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... " H" @6 `8 I- z- `. G- I' J UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. 2 V J) v) F" h4 r9 n# Y5 ]2 t5 nUNIT 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 ... # E& [5 Z+ k+ eUNIT 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... + {/ M. k6 D8 C- z( J" mUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 8 i G& ^2 Y, nUNIT 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 S- w! J! u- L' J1 Z 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... 5 u# U7 r3 E: I$ y, ]& 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... & Y" J; I9 Q2 i c1 yUNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 7 @7 Q7 g" [# o- L UNITS A standard quantity, such as ft or mi; Synonyms: dimension; , s& l2 W7 ^/ o/ Z8 v0 w+ B/ S- sUNIVERSAL 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; b! _* I8 \$ C5 ]* B 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... ( O6 F4 l& \3 D% c. b) L {' hUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid & U& t" P2 w# L9 P }URB User Relations Bureau (CFMU) * D' v$ O3 k4 n1 v USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 8 Q& A# k9 }" s; H2 s; c8 PUSAF US Air Force % S9 s+ O5 G+ JUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight / f: l) k3 A9 O0 Q0 n0 [3 `) P USG (AL) US-Gallon (3.78 Liter) " z) V4 \* {* O/ Y2 G! _+ j. N4 F UTC Universal Coordinated Time. , x- h$ M2 X- D H8 f, L UTM Universal Transverse Mercator 2 [8 X$ T- ?8 j/ L! B5 @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. # w* B& x8 V, C1 T- k: K8 ]* E V (Y) Speed for best rate of climb. 6 C: R% p( u, E V1 speed for best angle of climb. - U& E; N$ C# YVA Maneuvering Speed (max. structural speed allowed for full control deflection) . t2 u4 g# i; O- j. i VAC Volts alternating current. 3 q% k$ C. O1 Z0 k$ ^VAL Visual Approach and Landing (Chart) 5 b: Z9 T7 E2 Y( f+ M VAR Variation ! {& ?" U" K1 b* S0 s4 {# K! { VASI Visual Approach Slope Indicator " t7 x: w5 m S) _: {7 tVAT Value Added Tax 6 A1 E/ k X/ F9 \: G VB design speed for maximum gust intensity. / I0 {$ G! I- I VC design cruising speed. 2 d+ A. I2 L' N! iVD Max. Dive Speed (for certification only) . S: o0 u9 P7 U* o/ e! w/ LVDB VHF Data Broadcast ; j& U3 N9 ~- eVDC Volts direct current. & x* v6 p; r$ ? {4 G9 PVDF demonstrated flight diving speed. 9 N$ X# l% I3 E, N: V VDL VHF Data Link (-n = type n) & @/ W; O+ O' G1 j: |) VVEF the speed at which the critical engine is assumed to fail during takeoff. & K# k3 g" W: z3 K( m. T 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... ( ]8 K( O4 Q6 W9 y1 {* w8 mVELOCITY 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... : w( d2 z. ~! B" JVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; 2 @* i& B' P4 D9 `5 Q) l1 X" R. m' ~! g6 l VELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; 1 v% M. `3 T* [# n4 s+ r VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; ! p$ _5 _3 O- iVENTRAL 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 ... " j, d' O1 ^2 Y. Q( z. {( g6 u VERT SPD Vertical speed hold 6 L8 z& ~* e6 x$ t8 R' s5 MVERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; # t/ @5 e7 d2 s9 rVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; : P* H! B& v P' d VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; * V6 q# h+ C* h' { VERTICAL GUIDANCE Calculations for the vertical axis, rather than the longitudinal axis. The control law vertical axis input data are: Desired Altitude, Altitude Integr... ( T- q* C; o6 u" U$ R VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; 9 u& r1 @5 Z1 ~( f( j( WVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. / b: ~, A' i( X3 r8 `6 ~6 d" O VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; , r4 E) o7 R2 y- U2 o9 a VF design flap speed. , V( I1 B9 c6 t4 ?6 B VFE Max. Flaps Extended Speed - {' u0 ?2 F: h# _VFR Visual Flight Rules ("good" weather operations rules) 4 A' ^+ k c* q1 f% y% F) 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... 4 n. _" ^3 g' Y* A9 E1 [VH maximum speed in level flight with maximum continuous power. 0 j3 K2 Q& M/ }8 B$ F; ~VHF Very High Frequency radio equipment. 6 [1 e5 G$ S V7 ]$ Z |' H4 [8 a1 }4 GVHF 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... , u; X7 y8 Q f+ v" H* a( \ 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... & a# `$ w1 `# E. x |& P7 R4 Q8 H CVFR Controlled VFR (still existing in some countries) 6 C U7 F5 F- J CVR Cockpit Voice Recorder " \8 J6 _+ E4 i( B( l5 ` [ y9 C CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 0 y& j! \$ Z, B$ M CYCLIC See: longitudinal cyclic, lateral cyclic; 9 k3 R/ N3 i: Z; GD Airspace ICAO Class D 4 g9 B; M7 M7 ~9 W! g0 ?- b. UD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) & I( Q0 N: U5 w$ B. p0 G 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... $ r5 ]3 \2 O0 p' g+ EVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. ! E9 S+ z$ q. \6 F) X, B% `VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 0 o: i. d% F% P9 [5 P$ y JVLA Very Light Aircraft (Aircraft certification category) ! T2 \& L! n+ i! S, ] VLE Max. Landing Gear Extended Speed # L2 H# e. i% T. Y4 ZVLF Very Low Frequency radio equipment : Y% `, G. g8 h6 oVLO Max. Landing Gear Operation Speed $ S) Z# f3 c4 ]# w4 a& k0 nVLOF lift-off speed. 4 y/ A0 y d$ ~, h) h8 J" X: {) F1 ZVMC Visual Meteo Conditions ("good" weather for VFR or IFR) 9 e& d: |, `! o1 f9 ?VMO maximum operating limit speed. ' \2 E- v1 A9 v9 Z% A VMU minimum unstick speed. ) n" p) g3 P, N2 a! F$ K VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 5 e$ Y; N4 o) a$ pVNE Never Exceed Speed % P! \& I& E1 F5 u" x VNO Max. Structural Cruising Speed $ t# h9 F. ]& ^4 M( A, y% l9 |( CVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... " N0 e; q9 Z" N- q% z' y: _ VOR/DME Vertical Navigation (GLS) - e( @4 O) M9 ^6 T2 B% o$ h$ S VORTAC VHF Omni range; 8 M# B# {; C; n6 a; J0 ? [VR Rotation Speed 2 w" B% s. ~* A+ J( g5 A5 Q6 G& a VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 7 S! V! V; K9 X! E a! e# Q VS0 Stalling Speed Landing Config ( ]* M. z. d3 s VS1 Stalling Speed in a specified Config. - y& u' {% F* @$ @2 l: J5 TVSSE Minimum Safe Single Engine Speed . Y1 o$ u( W% z$ J/ P& p( g" c% TVTOSS takeoff safety speed for Category A rotorcraft. 1 A) g# |3 e" C, IVX Best Angle of Climb Speed 3 T; [6 r4 ]. W. u( j3 Z VXSE Best Angle of Climb Speed, 1 engine inoperative ! k0 k& v0 x" i) c0 A! ~& p+ b% zVY Best Rate of Climb Speed 5 D7 Y, B S, N! \. ]+ A VYSE Best Rate of Climb Speed, 1 engine inoperative K! ?: l1 f2 y! _) T, c& BWA (IAOPA) World Assembly % p& m' D$ V; l, @- _$ J6 e WAAS GNSS wide-area augmentation system. 5 `3 s1 s* c: \" Z% Q' LWANGANUI Colored flares dropped on H2S to sky mark a target - m! D! \# F: P* [+ ?5 Q 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 ... # S$ A: u& D- b0 w+ N) x7 LWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 4 r. F2 m7 B( S6 ]9 vWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; ; F* W# O; w7 A4 q' s 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... " E. e w! ^9 `WASSERMANN German long range radar with a range of up to 190 Km. % l* L; J/ q8 s& s1 J$ DWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... 0 A6 [, c# s& P. A% }* v/ C 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... , V, d7 U1 m( E" W0 M% b7 p WAYPOINT APPROACH To approach a waypoint " K- G/ E9 i- Z/ Q& cWCA 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. 2 l1 _& K% o& vWEIGHT 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... % n; c% r7 Y+ V* }" d WET WINGS Method for containing fuel in wings without using rubber fuel cells. 2 Y, X) Z1 Q9 L- D8 T& JWGS-84 Wide Area Augmentation System 4 q9 M* `# C5 w: y! o4 y* M/ U WGS72 World Geodetic Survey 1972 6 Q; v% p& ]9 w! |/ j( ]; jWGS84 World Geodetic Survey 1984 ( l, D# R K& F; g. B( Z" W4 @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... - B- t4 y* c8 J3 G 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... 8 |, i4 ^3 x c8 r6 i+ u 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... 1 @+ c$ [6 r0 N- t; g WHITE BOMBS Nickname for propaganda leaflets. 3 R/ }" g1 B) a WILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft $ ]3 M0 [ Z" tWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror " C0 b9 F1 ^+ B6 l WIMS System Wide Information Management 0 j! D! a. p* ]( uWIND BEARING Symbols: B sub W; Typical Units: rad, deg; : u8 N8 o+ p( _% P WIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; , B& P) U7 V% h/ ^. TWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars ! f+ K' |3 r8 O N. r1 p 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. ; g7 [5 L2 j2 XWING The main lifting surface of an airplane. ' x8 {( z, a x# Y0 @ 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... $ z2 G/ n8 F+ Y0 i# ?3 |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... ( X, G7 t h6 ^+ v: s' O- o3 s8 U/ i WING ROOT The centerline of the wing, where the left and right wing panels are joined. 7 V! U; L' E, G. @7 L: u v' uWINGLET 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... & R" q; b$ N# D% r# F) T8 q WIP Work in Progress / X0 F9 ^+ j! S1 `0 @; p, L! k WMO World Meteorological Organization + ~2 G, k, M) n8 \, v7 T WORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; ; a) W; K% T1 R: {9 B. }% [$ TWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; 8 O1 i. |* s% {WOW Weight on wheels 3 G: y6 k* v* mWP Waypoint 7 C# Z1 k: h. N WPT Waypoint $ s* M( l) f" i1 e& h5 R WRAP TEST A test to send data to a device having it sent back unaltered ; }1 \0 f: x% P$ B0 K2 ]) u WWII Waypoint x/ l1 X: ^0 p! D O WX Weather ; T# ]+ n! a& H2 e3 F6 XWYPT Waypoint ' ?4 B+ B* y; D o- G- F1 DWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. 1 g; f- Z: p4 R6 {7 ]+ Y, k X-BAND Frequency range in which most general aviation weather radars operate. ( f6 h* e7 Q6 y G( p0 G X-BEAMS German radio beams used to guide their bombers to the target 4 q- Y1 C# e( s$ ?' F5 S3 | XPDR Transponder. Radar-enhancement/data link box for ATC purposes. 5 v; a( g% E' a1 kXPOND Transponder ' y" t+ s" {. o4 DXTK Cross track; cross track error. G6 A) }# t. `2 r% r; a1 L. E6 \ XTKD Cross track deviation , D; e3 A$ m* Q. Q6 _ XTKR Cross track deviation rate + f, }) W+ X1 y) ?* V# 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... : e3 q4 m, R* h9 Y9 w# G. l* W Y-BEAMS German radio beams used to guide their bombers to the target / Y S+ j0 H0 q3 a Y-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. ' x9 Y2 ?6 I: D2 N% W9 S' F1 H 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 7 T: a3 D: @: Z/ ?" p5 hYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. * X3 W, L V3 |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. 6 {5 W, u5 P3 G+ V& m% a) d YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... 7 b6 D. p5 h# p5 H8 @: T, }7 AZ Infra-red identification equipment 9 V" @1 v* E7 f4 r" F" ?4 j! x: zZ TRANSFORM A mathematical relationship to model a discrete function in the complex frequency domain (Z-plane); Z transforms are commonly used by systems engineer... 6 U1 Y" r2 S5 V* { Z-BEND A type of linkage point using a bend in the control rod which resemble a Z. ( O! t% t# Y; s+ a7 ] Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 4 @/ V- G$ P4 E/ L$ z( UZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft 5 F$ d) n b. c3 JZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters : O: T( V6 b& c! J) {ZOC Zone of confusion ( k9 S) r' c1 d- d ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; 6 p& Z8 A% N; q/ ~) }ZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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