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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 + P5 ]5 N+ C$ G8 T+ {, j TRANSCEIVERS A device that receives and transmits ; ^4 ? `$ d7 m4 o- tTRANSIENT-FREE SWITCH A switch with a wash-out filter so that the output contains no transients (steps) at switch time 7 _+ H& E. d. l Q TRANSMIT To radiate RF energy 1 k7 Q+ `2 e- Q6 `" BTRANSMITTER A device that transmits 7 x M* F. g/ k4 g TRANSMITTER (TX) The hand-held radio controller. This is the unit that sends out the commands that you input. - ~9 _! I/ ~4 ]% ]7 y& I TRANSPONDER Transmitter-Responder * z( S% D, o. n& l; h TRANSPONDER (TX) A receiver/transmitter which will generate a reply signal upon proper interrogation; the interrogation and reply being on different frequencies. , m3 v2 d1 r' `TRE Type Rating Examiner 7 Q" I0 h6 F/ g1 gTREND MONITORING Continuous computerized observation of turbine engine performance. Used to detect early sings of wear. 8 n6 P( q4 l3 G* j7 I# V TRI Type Rating Instructor / T2 i3 q9 U6 X* ^! Q7 zTRICYCLE GEAR The landing gear arrangement where the airplane has main gear and a nose gear. + J/ [2 h, K" u& B; B( ]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. ( K/ K7 _/ p2 p4 W5 Y# GTRIM TAB A secondary control surface, usually mounted to primary control surface such as aileron, elevator, rudder, or stabilizer, that controls the position o... $ E# e: |: ]$ X [1 STRK Track ! A: @: z5 F5 B$ Z4 v& aTRN Terrain Referenced Navigation; : w' ~2 L/ ]/ A6 s TRN-INS TRN with INS " \) n& u k# r& O W1 ?TRTO Type Rating Training Organization 8 X: R+ V& _. _) o( w6 zTRUE Best available estimate, such as true airspeed; referenced to true north, such as true heading; ' X0 _. w2 L1 |5 } TRUE AIRSPEED the airspeed of an aircraft relative to undisturbed air. True airspeed is equal to equivalent airspeed multiplied by (0/)1/2. * F8 n0 _- c3 u, [- E* i$ ZTRUE AIRSPEED (TAS) The airspeed of an aircraft relative to undisturbed air. 1 e( Y& X% O4 b* `$ d6 V4 CTRUE BEARING Symbols: B sub T; Typical Units: rad, deg; " U( O' b7 [) d1 K8 b: \2 S$ m TRUE HEADING Heading of the aircraft relative to true north; Symbols: psi sub T; Typical Units: rad, deg; . f( F# G$ b$ H" D6 Z TRUE TRACK Ground track angle; Symbols: T sub T; Typical Units: rad, deg; ! N; O* F1 Q7 H/ X/ D# e TSC Total Time Since CORE % w* Z6 T- C; dTSMO Time since major overhaul ' |9 F- L' B; F* n, F& ~TSN Time Since New (also TTSN) + y6 y" e- n8 [ TSO Technical Standard Order % I7 q. \* D9 _3 a# j$ lTT Total Time Airframe " X! }: a/ l; m& a/ e TTG, TTS OR TTW Time to go, time to station, time to waypoint. $ M2 X+ e1 W. Q. X( R) STUBA a jamming device for Freya radar operating in the 70-200 MHz range , i3 d V Q) {1 `, p$ D5 O; v8 I. ZTUNE To set the operating frequency or channel for a device . Q R* s* s! U5 X1 \1 z- ? TURBO PROP Is said of an airplane powered by a type of jet engine, the turbo prop, equipped with a turbine-driven propeller. 6 J' i, d* B% }7 J' d4 e- t4 V 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. 1 U, i% Z. F- T" P M* x' K+ | TURBOPROP AIRCRAFT An aircraft having a jet engine in which the energy of the jet operates a turbine which drives the propeller. ( ^" u( U. [# G% ?! ?4 GTURBULENCE 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. ! N0 s9 l) u$ ?' NTWR Tower (Control Tower) - p# l. Y3 k: I. y3 Q; O7 w 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... & d7 ]: e L6 ^, _* b4 a: [; GU Airspace Euro control project Class U (unknown traffic) , i9 j/ ~- b5 e5 Z U/S unserviceable 0 h( `/ B' ^" K9 B' l- U: pU/V ADF UHF/VHF Automatic Direction Finding 2 h+ z* Q, ]4 c. ~* A4 U UAT Universal Access Transceiver 2 N2 A1 n1 P! n UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle 8 D6 m6 Q- C1 l$ CUFN Until Further Notice # s. P, \( \" h7 |- GUFO Unidentified Flying Object 5 P( w0 P$ E0 S5 k7 A( J4 ?- x UHF Ultra High Frequencies (300 MHz-30 GHz) 4 a G6 a% I# C% y7 a 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; 2 d- B0 C: ~: }% s) J) ?9 j! sUL Ultra light, Ultra-l©ger motoris© 7 O0 }! \! [8 l0 j/ eULM Ultra light, Ultra-l©ger motoris© 9 c/ K; z. a9 Z: W ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 8 R" s7 [1 e: W6 L- jUMAS Unmanaged Air Space (Euro control Definition) * Q ]+ |* o; `1 W, W2 ` 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 {& y9 F3 T; t: [2 U5 q2 X5 ]UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear. ; k x1 y1 q b4 c% ~. [& fUNIT 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 n) @; V- Z4 D9 K1 XUNIT 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... 5 f7 k8 d# p5 U% pUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 5 L0 o2 O/ B$ ]2 z0 j. C* f 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... * i+ v2 @' [. ^4 o% \& I7 vUNIT 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... t" D6 B$ [# y' S/ G8 G* H/ U( B 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... 9 U' `& L9 t$ t: c; ?- _UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 0 X9 T i1 m r5 w& I UNITS A standard quantity, such as ft or mi; Synonyms: dimension; - _, _0 [+ K% d1 N" R1 ` 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; / {3 W% \0 h! n6 G" c+ ~9 uUPDATE 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... 9 U2 ?! F2 q6 ~5 Q+ TUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid $ e% k: L, M6 Y& W8 J! RURB User Relations Bureau (CFMU) # D0 `7 ?' G4 U* L oUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon & Z, S7 \% J, l USAF US Air Force - ?2 K+ R" x Z: |5 r( {USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight $ R: j& f9 K; P7 B0 R2 j' ~) H7 \! M- ~USG (AL) US-Gallon (3.78 Liter) + Q0 A5 [* i! ^, [2 F5 { UTC Universal Coordinated Time. % W* k L2 L: E) g5 V( q# d* i O UTM Universal Transverse Mercator 5 i6 @% M8 U2 E* H: ^% YV 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 I" b( O9 l" L8 ? V (Y) Speed for best rate of climb. 4 t, E/ w# m5 j2 \9 e V1 speed for best angle of climb. 5 x6 s- Z% K6 p0 c VA Maneuvering Speed (max. structural speed allowed for full control deflection) , i& G k& b; W/ N9 ~+ U iVAC Volts alternating current. 2 w6 Y4 K: C' f5 n) ~4 W8 L VAL Visual Approach and Landing (Chart) & L' V) B$ d3 ~1 {! } VAR Variation 3 v7 ^# J$ m" V0 _/ z VASI Visual Approach Slope Indicator # g% Y) D& Y9 T- ?1 P" Y# W9 wVAT Value Added Tax ' J- f# d2 W0 F- b3 LVB design speed for maximum gust intensity. O9 h: N3 X" p2 v: ~VC design cruising speed. 6 l+ W6 T- G V" H7 rVD Max. Dive Speed (for certification only) 1 w9 m9 Z; B! D- q4 {$ ^; d& M VDB VHF Data Broadcast ! Q$ a" a- d5 C, ?- h% Q% I5 I; W/ p5 [ VDC Volts direct current. / z; L1 K( D( CVDF demonstrated flight diving speed. 4 \( d5 Z U; G# ]5 B VDL VHF Data Link (-n = type n) 0 d" G& [ V& P9 i/ SVEF the speed at which the critical engine is assumed to fail during takeoff. + ]* r5 d! c t3 K# }9 R 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 Q4 c( h4 K0 J3 _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... % W' L" i. H4 P# E9 UVELOCITY EAST Aircraft velocity in true east direction; Symbols: V sub E; Typical Units: kt, ft/s; Dimensions: Length / Time; , u, E: | E8 z$ fVELOCITY ERROR SCALE FACTOR(KVSF) A guidance control law parameter, generated by the longitudinal guidance modes; % L1 {& b% C0 B j1 p& d: w VELOCITY NORTH Aircraft velocity in true north direction; Symbols: V sub N; Typical Units: kt, ft/s; Dimensions: Length / Time; , f! ]2 l% B; Y9 z5 E6 s, l x- o2 H' g 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 ... . k, Y5 }+ J5 k. d* f4 S% I+ fVERT SPD Vertical speed hold 5 S. Q7 m" x$ w5 B2 y, F VERTICAL Reference to earth radial, for example, vertical velocity is velocity along earth radial; See Also: East-North-Vertical; ]; ?2 J2 g" h9 ~% D: {9 BVERTICAL ACCELERATION Aircraft acceleration in earth vertical direction; Symbols: A sub V; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared; ' O1 Q2 W! O8 t( Z VERTICAL CUE A cue to control altitude; See Also: yoke cue, collective cue; ; ~, R6 P' w0 B% S- b9 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... / f0 T$ u' R$ |VERTICAL SPEED HOLD (VERT SPD) A basic guidance mode, providing vertical guidance to maintain an operator selected vertical speed; / V, ^5 p' k) q8 xVERTICAL SPEED INDICATOR (VSI) An onboard instrument which gauges rate of climb or descent, in feet per minute. + f- t; L* }! z) z$ J. O5 _VERTICAL VELOCITY Aircraft velocity in earth vertical direction; Symbols: V sub V; Typical Units: ft/s; Dimensions: Length / Time; 5 a( }9 T6 v$ K! Q VF design flap speed. 5 l$ i2 ~- \& v$ d: I1 Z, m, n0 ]VFE Max. Flaps Extended Speed " }3 R2 y, k% u3 l- `1 ]VFR Visual Flight Rules ("good" weather operations rules) , K- |" M9 a6 TVFR 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... 6 [1 b; a( n0 E. ^' M- j7 k% WVH maximum speed in level flight with maximum continuous power. ! f3 T- }. s" s- M6 J$ y' uVHF Very High Frequency radio equipment. * ?: P: G s1 }% 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... & ^4 u: O) J9 e9 K8 W 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... * Q' }2 k; z2 t CVFR Controlled VFR (still existing in some countries) 8 ?" m1 @; C, y: t- ~4 ` CVR Cockpit Voice Recorder 2 X" t) a- E# r3 q% e CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. - w2 ]) o9 Q) s: S, TCYCLIC See: longitudinal cyclic, lateral cyclic; " @2 a. o; o, X, o; a9 F2 D+ U D Airspace ICAO Class D % m; ?4 a8 h: l4 e4 m/ KD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) 4 y7 F7 t7 c3 p1 ^# EVISUAL 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... 5 p @+ @9 b t& n" k8 uVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 1 ^5 L6 A" d, `0 D VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) - L% [) q: Z% @. U2 ? VLA Very Light Aircraft (Aircraft certification category) 5 i4 P7 P7 _( h& F/ o6 k& r* {5 D VLE Max. Landing Gear Extended Speed [7 D0 {+ T* n8 i) p$ V$ L VLF Very Low Frequency radio equipment # M& S6 i* Q9 k2 l4 @# Z/ I VLO Max. Landing Gear Operation Speed 4 ?7 p* I. {0 g/ rVLOF lift-off speed. & f3 R- k9 X" zVMC Visual Meteo Conditions ("good" weather for VFR or IFR) $ F! z, f/ t" z9 o9 A VMO maximum operating limit speed. ; w$ C+ Q% l2 P: d3 m8 [ VMU minimum unstick speed. / A! a: J5 t4 w! k) z. Z- C' b VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 7 a' M2 Y; {5 `2 h C4 s) P VNE Never Exceed Speed 9 p1 p" |/ G2 r- Z& w9 { VNO Max. Structural Cruising Speed . ~9 ?8 `8 q$ u. mVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 1 f0 B1 M* U0 g/ _VOR/DME Vertical Navigation (GLS) : Z& w& h( U$ { VORTAC VHF Omni range; . _3 D* y2 q- B, HVR Rotation Speed ' H( Z1 j0 A2 oVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. $ w" S- u: p6 E* e6 g4 _ VS0 Stalling Speed Landing Config 1 @ ? h# s# HVS1 Stalling Speed in a specified Config. ' U% a- {. a( B U% t8 v7 b% _: f& q VSSE Minimum Safe Single Engine Speed 8 |7 ~8 w" a% H6 F VTOSS takeoff safety speed for Category A rotorcraft. ; [( H# H; @ ]: e. L. OVX Best Angle of Climb Speed 3 U' Q+ v6 P9 h2 d, pVXSE Best Angle of Climb Speed, 1 engine inoperative ) Y2 z! [0 @3 ^/ T2 P3 m1 O VY Best Rate of Climb Speed a: z9 H; P- w- B9 P: D VYSE Best Rate of Climb Speed, 1 engine inoperative / q& G; W4 J, w9 D2 H WA (IAOPA) World Assembly , ~; E1 E9 k# `. m: q) F- BWAAS GNSS wide-area augmentation system. 2 n# Q2 f0 q% @8 j+ k6 V/ h WANGANUI Colored flares dropped on H2S to sky mark a target 1 s) f" T/ c4 eWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... 2 N# P) S- A9 r ]7 ~. aWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ( T9 r. Y; L; ^- w8 p$ 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; ) J, W# y, v3 V7 PWASHOUT 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... 4 E; D0 m7 P7 W9 L WASSERMANN German long range radar with a range of up to 190 Km. ! v- P7 S% j; d7 B& FWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... - J' s& K- g- i! h+ u+ r5 V# f) _! HWAYPOINT (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... ; P: n) q3 ?9 t8 T; ^" H# w. xWAYPOINT APPROACH To approach a waypoint 3 j" j! m) D$ m. [) SWCA 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. % e5 }' c- M4 b 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... 1 ^% c' n$ ^# ~2 `6 W1 [3 ~1 O1 K, IWET WINGS Method for containing fuel in wings without using rubber fuel cells. & O2 U$ J3 ^! o, O' c4 f& K/ b WGS-84 Wide Area Augmentation System ' T, @$ [; Y' w) P# d) G* aWGS72 World Geodetic Survey 1972 # R3 ]* \, e& p2 o# e+ ` WGS84 World Geodetic Survey 1984 . Z6 H% S5 L. I0 h' Z6 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... 6 |5 ?; t! I# m# c C. V5 yWHEEL CUE A lateral flight director cue for fixed-wing aircraft, primarily to control heading, by changing roll; Compare: lateral cyclic cue; Symbols: Gamma sub... + ?& w6 K3 s9 ~. z9 e& aWHEEL 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... V7 w! c! W1 t# D( B9 @ WHITE BOMBS Nickname for propaganda leaflets. 7 v. o5 t* t$ b2 r% r" WWILDE SAU WILD BOAR. German ground- controlled night fighter system using twin engined aircraft 4 P& I) P Q8 `. I6 AWIMPY RAF nickname for the Vickers Wellington bomber. The name came from J. Wellington Wimpy, a character in the Popeye cartoon in the Daily Mirror ' M$ a0 I O+ q p% t& m) n" ` WIMS System Wide Information Management " R! h: ~; t" o ]- m1 S6 EWIND BEARING Symbols: B sub W; Typical Units: rad, deg; # G. p' ^6 |, G D9 IWIND SPEED Symbols: V sub W; Typical Units: kt, ft/s; Dimensions: Length / Time; # b% N7 j" n: L5 ]& TWINDOW Strips of silver paper dropped by British aircraft to confuse the German ground radars , E+ E" ^) p* H/ E, F 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. 7 a1 v' }% l3 ?+ q* v; I: Q WING The main lifting surface of an airplane. * u$ m5 q! ~! ~$ O# X+ wWING 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... / d1 j/ F" w7 A1 I& UWING 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... 7 v- r8 `9 o8 S4 }* h5 f! bWING ROOT The centerline of the wing, where the left and right wing panels are joined. 7 x2 f4 c5 N+ S2 i2 Z: T# z2 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... - h$ V# p# G) u, f1 qWIP Work in Progress . T0 _) \; }" M6 V* iWMO World Meteorological Organization + p# t/ Q% J1 P3 g- VWORLD GEODETIC SURVEY 1972 (WGS72) A standard model for computing earth data; $ j- i9 `; q+ }8 ?2 f0 n* P- dWORLD GEODETIC SURVEY 1984 (WGS84) A standard model for computing earth data; ; d# p2 E: A" ]( X3 D1 AWOW Weight on wheels 2 V6 p8 O- r' h- j. s8 @ WP Waypoint - s0 I: p0 F0 ^1 {- c+ eWPT Waypoint ) u: H' ?0 P! m( a0 V, ^WRAP TEST A test to send data to a device having it sent back unaltered / U' Q" C" h: N* @9 X) L" T0 mWWII Waypoint 5 {. H- ~0 |6 t! x8 KWX Weather 4 \: u' B4 o O7 G: D6 Q( kWYPT Waypoint - r. v% l8 D6 g1 U' FWœRZBURG German short (11 mile) range gun laying radar capable of giving both height and range. ' G" W. v7 H' x' q6 M6 l2 U" FX-BAND Frequency range in which most general aviation weather radars operate. 9 N8 K! @! O: m3 E pX-BEAMS German radio beams used to guide their bombers to the target 7 B( R8 b6 P3 ]9 y4 o/ Y! [ XPDR Transponder. Radar-enhancement/data link box for ATC purposes. % ^+ r) M2 c& N! n: p& @6 vXPOND Transponder * u: h' G2 Q6 ~* fXTK Cross track; cross track error. : ^- `, c( p+ j& i XTKD Cross track deviation 3 f* N# I3 I: l7 r8 l* A0 vXTKR Cross track deviation rate 5 t6 L4 f: Z3 z U& r' q 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... ! K9 \/ u; |2 o/ t" u# AY-BEAMS German radio beams used to guide their bombers to the target , R0 T( A1 }& t+ bY-SERVICE British organization for the interception and reporting of German wireless "chatter" for intelligence purposes. + c+ E6 B5 y( d. f2 L 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 # ]2 B" L( F6 D# RYAW The nose-left and nose-right movement of the airplane. This is controlled by the rudder. / _5 M( K" v ?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. : l- C/ h+ b X YOKE CUE A vertical flight director cue for fixed-wing aircraft, primarily to control altitude, by changing pitch; Compare: collective cue; Symbols: Gamma sub ... ( j, I' K) W \3 t9 BZ Infra-red identification equipment ' S3 \( ~* _1 T; G 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... 9 \4 q/ j7 i1 oZ-BEND A type of linkage point using a bend in the control rod which resemble a Z. ! k* z' L! R6 v: ^! Y( f8 V- t7 D Z-PLANE Discrete complex frequency plane; Z-plane is used in control systems engineering in the design of control laws See Also: Z transform; 9 g: t0 y' k9 p3 D ZAHME SAU TAME BOAR. German "free lance" night fighter system using single engined aircraft ; Z! Z$ L1 p& y) V T4 [8 A! H2 B+ W ZERST–RER GESHWADER Luftwaffe Destroyer Wings, composed of Bf110 Heavy fighters 2 E) u8 j1 ^& U# n/ o* nZOC Zone of confusion Z; k4 g# q$ u% ^7 }2 h ZONE OF CONFUSION (ZOC) A circular area centered at a TACAN station in which bearing is extremely noisy; . D! y, {1 V8 J+ B3 F9 LZULU Greenwich Mean Time, also known as Universal Coordinated Time.

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