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aviation terms [复制链接]

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51#
发表于 2008-12-30 03:23:01 |只看该作者
ONC Operational Navigation Chart : h3 ]7 l' A+ n+ N ~OPERATE to use or authorize to use aircraft, for the purpose (except as provided in Sec. 91.13 of this chapter) of air navigation including the piloting of ai... 4 }, p+ @- L! e( y* T2 E OPERATIONAL CONTROL with respect to a flight, means the exercise of authority over initiating, conducting or terminating a flight. ; O8 E7 ^: p( Q: S( z2 P7 |OPERATIONAL DEVIATION (OD) An occurrence where applicable separation minima, as referenced in the operational error definition below were maintained, but: (1) less than the appl... & n6 `9 c# {" f8 E OPERATIONAL ERROR (OE) An occurrence attributable to an element of the air traffic control system which results in less than the applicable separation minima between two or ... + G$ D9 }, K9 h/ W; _% AOPERATIONS How well is equipment operating; Values: operational (all function and data is available), degraded (equipment has partially failed with some function... 1 P+ F! {; l* |3 nOPS Operations (or Operating hours) : z& O) g& O. L$ i/ k7 z l! ^ OPTICAL DIGITIZER Any device using a photo sensor that can convert analog information to digital code 5 R3 ^9 H1 @7 w/ } ORD Operational Requirements Document $ u- V$ ^3 |+ e! y ORIENTATION Direction in reference to a coordinate frame ( Y9 {# b7 e& _! v% E6 V: c OUT Operational Training Unit + _! ~2 M" }$ W \OUTER MARKER Marker beacon located 5-7mi from the end of the runway; See Also: marker beacon 5 @( h2 Z+ ?9 I$ H% i- m) I& I [3 o OUTSIDE AIR TEMPERATURE (OAT) The temperature just outside the aircraft; Symbols: T; Typical Units: deg; Dimensions: Temperature / ^% E: D# w; b' QOVER-THE-TOP above the layer of clouds or other obscuring phenomena forming the ceiling ; a; A. b* l# MOVERIDE To alter selection made automatically by software : ]7 Q7 k( Y! P# Y5 Q4 K6 `! Z OVERSEAS AIR COMMERCE the carriage by aircraft of persons or property for compensation or hire, or the carriage of mail by aircraft, or the operation or navigation of aircr... 1 A' n: w$ h% i" p1 ROVERSEAS AIR TRANSPORTATION the carriage by aircraft of persons or property as a common carrier for compensation or hire, or the carriage of mail by aircraft, in commerce: (1) Be... ' U5 d9 }- D% ?' p5 x/ m) O OXY Oxygen system for passengers and crew + m& j, _3 ^) r. Z% L$ q6 c( j P/P per person, per passenger 3 ?1 S. i: y4 _" b PAN-PAN The international radio-telephony urgency signal. When repeated three times, indicates uncertainty or alert followed by the nature of the urgency. ; R: M |% {/ \ PANS Procedures for Air Navigation Services (ICAO) * I/ f0 N A' X9 `7 l& L7 U& L k PAPI Precision Approach Path Indicator 1 H3 `: a3 P/ ~7 Q PAR Precision Approach Radar - a ground-radar based instrument approach which provides both horizontal and vertical guidance 9 P# k: x3 ]# VPARACHUTE a device used or intended to be used to retard the fall of a body or object through the air 9 }+ \! l" H& v PART Precision Approach Radar 7 ~# d- T' E; z5 ? PAST STATUS WORDS Status words that are logically combined over time (such as "and "ing or "or "ing) to provide history of what has been set in the past ; E: [# u) [% C( o, j1 ~6 D: E1 LPATH INTEGRAL GAIN (KINT) A guidance control law parameter, generated by the lateral guidance modes;

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52#
发表于 2008-12-30 03:23:08 |只看该作者
PATH INTEGRAL LIMIT (INTLIM) A guidance control law parameter, generated by the lateral guidance modes; Typical Units: rad; " \) b+ b0 `& a( y I7 wPATH INTEGRAL VALUE (INTVAL) A guidance control law parameter, generated by the lateral guidance modes; Typical Units: ft; Dimensions: Length , M2 m5 B- T# E/ B1 \7 y/ J PAX Passenger (s) & I' m% G4 w+ x- |, s4 G7 C4 IPAYLOAD WITH FULL FUEL Useful Load - (minus) Usable Fuel $ ]* j( w3 C4 b# VPBH Power by the Hour. (Rolls Royce engines) 8 `5 V* t' B4 j# @6 Z# |5 T: g PBIT Periodic built-in-test ) o2 u8 y7 z1 K2 l PC Positive Control. (Trade name for Mooney Aircraft wing leveler) U8 u6 i2 I p6 z2 P# {: @PCL Pilot Controlled Lighting (RWY Lights operated by Microphone) 5 r1 f1 y- A& g* P PCM Pulse Code Modulation. A modified FM signal used in high end radios. The signal is coded by the transmitter, resulting in a cleaner signal. ! Y8 Z. a5 ~' H6 aPEAK This is the point at which a battery will no longer accept a charge, and converts the energy to heat. This is damaging to the battery pack, and potent... 4 s6 D5 U3 o3 J; z, \PEAK CHARGER This type of charger will eliminate the guesswork. When the battery has reached peak, the charger reverts to a maintenance charge rate, which will not... $ d, {. [/ y, P- \0 s5 [9 {0 HPEAK POWER OUTPUT The maximum transmitter power output measured over a short time; usually used to rate pulse transmissions. " U" i' o0 Q! e/ I8 j* C PED Personal Electronic Devices (e.g. Walkman, Handy etc.) 1 {" D0 R0 P# J& Z8 S6 L PEDAL A flight control operated by pushing with feet, primarily to control yaw via the rudder in fixed-wing aircraft or thrust to tail rotor in rotary-wing ... 0 e5 {* J0 R& M( z' p' sPEP Peak envelope power. A standard electronic rating of any AC source, including a radio transmitter 3 C' r0 O- u7 NPERFECTOS RAF airborne radar used to home on the IFF equipment carried by the German night fighters. ) U' ]' ~3 V) R! ?% y3 x8 G5 n PERIOD Time of a periodic process; 1/f where f is the sampling frequency; Symbols: T; Typical Units: s; Dimensions: Time. : T4 n' f8 V+ Y4 \! v' ~PERIODIC A process that executes at a fixed rate; Compare: a periodic; ' \% d. W! U) Y# p0 H6 i PERIODIC BUILT-IN-TEST (PBIT) Self tests running internal to a device as part of normal operation; Compare: initiated built-in-test; : E3 g" A8 O/ ], B PERSON an individual, firm, partnership, corporation, company, association, joint-stock association, or governmental entity. It includes a trustee, receiver,... ; A, ~7 A3 O# H/ k! WPERSONNEL LOCATING SYSTEM (PLS) A basic guidance mode, providing lateral guidance to a PLS transmitter from range and bearing inputs. Equipment that determines range and bearing to a... - @2 ?7 i5 N& w* V9 S- J/ _- g5 wPETAL Preliminary Euro control Trial Air/ground Data Link % Y( l, _- L. F' p, z PFCS Primary flight control system , x4 P2 S. \/ _PFF PATHFINDER FORCE. Small group of aircraft which, after finding the target, put down flares to guide the following bombers. 4 I# \( D; f, f4 h& c PGL Parlamentarische Gruppe fìr Luftfahrt

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53#
发表于 2008-12-30 03:23:15 |只看该作者
PHYSICAL DEVICE A piece of equipment, a subsystem; Synonyms: device 4 U" k( M9 q2 j9 A- w+ N/ BPIC Pilot in Command 5 q5 ]( }, l$ ?0 j: F d! @+ uPILOT DEVIATION (PD) The actions of a pilot which result in the violation of a Federal Aviation Regulation (FAR) or a North American Aerospace Defense Command (NORAD) Air ... ! v- r2 m# E7 p& J/ r& J PILOT IN COMMAND (PIC) The pilot responsible for the operation and safety of an aircraft during flight time. - b! |2 V* u ~1 I$ HPILOTAGE Navigation by visual reference to landmarks. / t m+ b) \# \4 f, _4 D' _PILOTED LIMULATION Real-time engineering simulation ( i4 Y( |8 f7 t F: Z' R2 |+ ^) q PIPERACK British airborne jamming device ) W! q d( ?" Z& s0 Y: Q' c: dPIREP Pilot (weather) Report / P. E+ \; a' Z! F9 x2 j: H9 H PITCH Describes the fore and aft attitude of the aircraft. (Nose high or low in comparison to the ground.) Controlled by the elevator (s). # Q, H9 F1 ~' ~! H& rPITCH AXIS The airplane axis controlled by the elevator. Pitch is illustrated by holding the airplane at each wingtip. Raising or lowering the nose is the pitch ... 5 h$ i( O9 H- a: ~" u- r PITCH CUE Flight director cue to control pitch; in fixed-wing aircraft, a yoke cue; in rotary-wing aircraft, a longitudinal cyclic cue ; R0 L, S! M* I/ V7 J5 z4 x PITCH RATE Rate of change of pitch; time derivative of pitch; Symbols: p; Symbols: theta dot; Typical Units: rad/s, deg/s; Dimensions: 1/Time; 9 G" u- A8 C$ C+ a7 LPITCH SETTING the propeller blade setting as determined by the blade angle measured in a manner, and at a radius, specified by the instruction manual for the propel... % B! W6 N. {7 v2 o PITOT PRESSURE Total pressure ) A5 W2 t/ J+ G PLS Personnel Locating System 2 a2 Z' Z$ h3 y. ^6 O2 x) a PLY Plywood : y, A, _& s% U/ n7 a PNR Prior Notice Required , V* k3 S$ |7 D5 ~0 g. R6 y z0 Y PNT Paint . i& Z% ~ u1 d* D8 X POB Persons on Board 1 p; [. l# w! B3 X! @PONTOONS See Floats. 3 y$ p$ s9 F( x& m6 v9 ~& o6 v+ Y PORT Nautical usage adopted in aviation. The left side, as determined by an observer in the vehicle, when vehicle and observer are right side up, and obser... + u; `& e& [8 w, a/ P* y, sPOSITION Location, usually in fixed earth coordinates such latitude and longitude; location, either scalar or vector, often with subscripts such as ENU or XYZ ... % S" `2 j" q I3 N$ v" G0 u+ EPOSITION UPDATE To cause navigation sensors, devices, or algorithms to reset position to value known to be more accurate due to inaccuracies and drift in the devices ... . Z9 x, M( P8 H/ Y3 G# _. _% ]POSITIVE CONTROL The separation of all air traffic within designated airspace by air traffic control. : ]* v0 ~8 O- R5 s, O3 T3 zPOST KLYSTRON German jamming device to counter H2S 2 ]" |; ]1 v2 a4 C2 x0 \POWER PANEL 12-volt distribution panel that provides correct voltage for accessories like glow-plug clips, fuel pumps and electric starters. Usually mounted on a ... ) m+ O9 j4 B4 j, Z. Y( }2 | PP(L) Private Pilots License (general) - ?% a: E9 F, K" v PPL A Private Pilots License Airplane

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54#
发表于 2008-12-30 03:23:24 |只看该作者
PPL H Private Pilots License Helicopter ) k; f6 G; T) N PPL/IR Association of PPL holders with Instrument Rating ; d. l* Y3 `7 w! y; S, ^: WPPM Pulse Position Modulation. Another term for FM. 5 ^( [- V' w+ f0 N7 n& a" ~; \7 r9 u PPO Parts Per Million , D% Q# [$ S) i% u4 H PPP Public Private Partnership - {4 w1 k$ H+ _ PPPR Prior Permission Required ! {6 G" I2 ~3 O' N, ~$ wPRC Performance Review Commission (Euro control) & _' ^8 e( o7 Y' _; j% [6 L* [PRECISION Measure of exactness, possibly expressed in number of digits, for example, computed to the nearest millimeter; Compare: accuracy , g0 ?; [2 ?7 W; q% d PRECISION APPROACH PROCEDURE means a standard instrument approach procedure in which an electronic glide slope is provided, such as ILS and PAR. 8 E' B8 |- f. Q/ ~8 l0 S- ]PRESENT STATUS WORDS Most recently reported status words : h& J9 [5 F& i8 S! n+ } C PRESSURE Barometric pressure / m5 P1 o8 K" g4 C8 a4 `PRESSURE ALTITUDE Barometric altitude 9 D2 [8 {+ p2 C" o+ d3 A PREVENTIVE MAINTENANCE means simple or minor preservation operations and the replacement of small standard parts not involving complex assembly operations. Prohibited area. ... 0 G8 q9 p: R, M' n$ y PRIMARY FLIGHT CONTROL SYSTEM(PFCS) The most basic part of the flight controls operated by a pilot, including wheel (fixed wing), yoke (fixed wing), cyclic (rotary wing), pedals (fixed w... 4 k0 I! X. o# B; X }+ _% Z ~ PRIMARY UNITS A standard set of four units to which all units can be resolved; primary units are Mass (M), Length (L), Time (theta), and Temperature (T); for exampl... 0 U. c4 a9 L3 s c PRIME RADIUS OF CURVATURE Radius of the earth in the east/west direction at a given position; Synonyms: earth radius east/west; Symbols: rho sub P; Typical Units: ft; Dimension... ; h2 L& ~' j! c7 ]PRK Photo Refractory Keratomy (eye surgery) # A6 f X+ ~! o# f7 A+ L% VPRNAV Precision RNAV (RNP-1 or less compliant) # ~4 M; M9 r4 G4 |: f( ^9 h3 k' CPROP BALANCER Device designed to aid in the balancing of aircraft airplane propellers. : U5 z. y& w1 ^) R+ {PROPELLER means a device for propelling an aircraft that has blades on an engine-driven shaft and that, when rotated, produces by its action on the air, a thrus... : l/ ~, ?% q3 \+ B PRR Performance Review Report 2 A* b o# L3 g2 ]/ E( A& ^. h PSG Program Steering Group 7 A& R4 H- ~$ R/ ?9 K5 wPSI Pounds per square inch. & B3 \+ ^; H5 Y- L, uPSIA Pounds per square inch ) K8 l" L0 i# ~3 X6 B3 tPT Procedure Turn

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55#
发表于 2008-12-30 03:23:32 |只看该作者
PTT Push-to-talk (switch) ) g3 A, u9 t/ b& X" w PULL-PULL A linkage set up using two rods or wires. One is pulled for one direction, the other is pulled for the other. 9 n$ p2 A8 o7 A5 f% h# c PULSE A transmission of very brief duration used to carry information by using time measurement or as a series of pulses representing code. 0 V9 @4 l3 ` R% jPUSH-PULL A linkage set up using two rods. One rod pushes, while the other pulls. . r) b! T P; r# w" {! QPVT Private (pilot certificate) 1 W& s' X% n; V5 S4 A+ l( o. W PW Pratt ; }7 h' h5 A; z# KQDM (Q-Code) for Homing Track to a Station . |# O! c7 C, K) L QDR private % K; D- A% p- YQFE (Q-Code) for Air Pressure in hPa on Ground (airport elevation) / J% L9 s3 p& g1 G/ B/ S* m QGO (Q-Code) for Airport Closed ; N# W3 f& A7 S& m QNH (Q-Code) for Air Pressure in hPa calculated to MSL . u1 ?8 |. V7 d+ ^# ~$ r QUAMGO Quasi-Monopoly Government Organization 1 T- {2 z5 ?' G7 [5 ~QUATERNION A system of representing attitude by measuring angle of aircraft center line with respect to three orthogonal axes plus rotation about centerline; qua... ' H) g- }4 o, M: IR Rating & K; x$ B3 A6 j# v0 t' L" m( [R Research and Development - x' g. s) X, W% K6 O' N RA (1) Radio altitude; (2) Resolution advisory (TCAS) * |6 ?- q& M: q; q- ?! d. KRADAL Radio Altimeter $ e# C* y* z. z( b* g7 k RADALT Radar Altimeter. : f: i+ A, P8 y6 XRADAR On-board weather radar. . o. c3 T$ }1 m9 O1 I/ F1 ] RADAR ALTIMETER Device that senses aircraft`s height above the terrain. Different from normal (barometric) altimeter. * p* p( K$ S% I$ v RADAR ALTIMETER (RADALT) Measures height above terrain. The altitude is monitored to provide a low altitude warning during TF operations and landing operations. It can also be... 8 q( \4 l0 T( w( b, `: ^7 D3 ?3 E RADAR ALTITUDE Height with respect to the terrain below (distance above closest dirt); Synonyms: above ground level; Symbols: h sub r; Typical Units: ft; Dimensions:... , U5 E: ^9 j6 O: w7 P4 ~% z% s: x' H# Z RADAR ALTITUDE SELECT (RALTSEL) A basic guidance mode, providing vertical guidance to an operator selected radar altitude; 2 X5 ~0 l! B: e$ ] RADAR APPROACH CONTROL FACILITY(RAPCON) A terminal ATC facility that uses radar and non radar capabilities to provide approach control services to aircraft arriving, departing, or transiting... # r( s, g/ P# H2 f; p, f3 aRADIAL ERROR PROBABILITY (REP) A probability that a percentage of one-dimension measurements will lie on a radial (line) of given length, with the origin centered at truth or mean o...

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56#
发表于 2008-12-30 03:23:38 |只看该作者
RADIO MAGNETIC INDICATOR (RMI) An ADF-like display with a pair of pointers which might be attached to either VOR or ADF receivers 0 H& M5 J. }/ s0 v: m% v& b: q RADIO NAVIGATION Navigation relative to radio station, providing, for example, of relative bearing, range, lateral deviation, and glide slope; Examples include VOR, TA... 5 e9 w% q8 g8 ~- xRADOME A detachable nose cone made of plastic-type material, used to cover and protect an airplane`s radar antenna. ) ` A3 |% K' \; ^" ARAF Resolution Advisory (TCAS) ! c. v5 K' Y% N+ b" PRAIL runway alignment indicator light system. * U6 B7 ^( b6 p! MRAIM Receiver autonomous integrity monitoring (GPS) $ ~; u- n& M3 ^ RALT SEL Radar altitude select 3 d$ D+ x% c% v. Y0 L/ m! e/ jRAM Random Access Memory 6 e! i* Q! n- K( _" L6 x# qRAMJET A type of jet engine with very few moving parts which consists of a specially shaped tube open at both ends. $ ]) V3 b4 e+ Z" LRAMP An airfield parking lot for aircraft. " Q$ t7 N. k) Y. |! V5 G RAMROD A tactical bombing mission with fighter escort ! K: j7 h& Q U* B5 r+ Z9 @ RANGE (RNG) Standard aviation term Synonyms: distance; Symbols: r; Typical Units: ft, nmi - method of measurement dependent on use; Dimensions: Length; 3 S% A+ u: a+ P3 {: GRANGER Similar to Circus but usually a deep penetration operation , l! M" I2 V/ z9 G9 b+ x: }( W RANGING Act of determining a range # u- P" }/ x. P7 Q6 u RATE LIMITER A filter that passes the input as the output, except that rate of change of the output is limited to a maximum absolute value; Compare: limiter; # h" ? t% \5 h6 J b0 RRATE OF CLIMB (ROC) The speed at which an aircraft is gaining (or losing) altitude, usually measured in hundreds or thousands of FPM. % \1 Z7 H1 L% Q% cRATE OF ROLL A measure of the speed with which an airplane can turn around its long axis, or roll. 0 J4 {1 @- L( N" B+ V- A* D4 _RATED 2 1/2 -MINUTE OEI POWER with respect to rotorcraft turbine engines, means the approved brake horsepower developed under static conditions at specified altitudes and temperatu...

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57#
发表于 2008-12-30 03:23:46 |只看该作者
RATED 30-MINUTE OEI POWER with respect to rotorcraft turbine engines, means the approved brake horsepower developed under static conditions at specified altitudes and temperatu... ! _2 ~; @& x* w RATED CONTINUOUS OEI POWER with respect to rotorcraft turbine engines, means the approved brake horsepower developed under static conditions at specified altitudes and temperatu... & M5 D4 C5 P" C5 HRATED MAXIMUM CONTINUOUS AUGMENTEDTHRUST with respect to turbojet engine type certification, means the approved jet thrust that is developed statically or in flight, in standard atmosphere at... , l7 ]1 Y; D ?# P RATED MAXIMUM CONTINUOUS POWER with respect to reciprocating, turbo propeller, and turbo shaft engines, means the approved brake horsepower that is developed statically or in flight... / Z5 g P* ^" J/ JRATED MAXIMUM CONTINUOUS THRUST with respect to turbojet engine type certification, means the approved jet thrust that is developed statically or in flight, in standard atmosphere at... 9 ~* D `- p7 z0 W" G( R RATED TAKEOFF AUGMENTED THRUST with respect to turbojet engine type certification, means the approved jet thrust that is developed statically under standard sea level conditions, wi... ; x! o2 r% ]; y: Z7 q) \# V1 I RATED TAKEOFF POWER with respect to reciprocating, turbo propeller, and turbo shaft engine type certification, means the approved brake horsepower that is developed stati... 1 j. n" S4 }) ARATED TAKEOFF THRUST with respect to turbojet engine type certification, means the approved jet thrust that is developed statically under standard sea level conditions, wi... 8 i9 N8 ~9 b' z* `# I+ F2 fRATING means a statement that, as a part of a certificate, sets forth special conditions, privileges, or limitations 6 D8 C& c2 S) {: J* wRAW Data taken directly from the sensor; Compare: derived, estimated, filtered, measured, selected, smoothed 1 w( q3 J0 \1 xRAYON ; Ground-based interference of KNICKEBEIN in night fighter control 2 L$ G ^3 O, @ RAZZLE Phosphorous coated wooden strips transported in water Razzles were designed to fire crops and forests but with negligible effect. ( y+ Y0 l0 j9 r' X/ c+ ]- ]6 h6 CRB Relative Bearing (NAV) % ~1 W% f/ V! k P RBAS Receiver Based Augmentation System (DGNSS/DGPS) - Q* S/ W7 N- ^( ]/ Z5 Z1 r7 YRBN radio beacon. . q1 Q0 r0 H4 a. O8 b+ yRCA Avionics mfr.

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58#
发表于 2008-12-30 03:23:53 |只看该作者
RCLM runway centerline marking. 6 x0 ?4 ?# ~# F0 _+ H RCLS runway centerline light system. z5 U# k3 o6 ~0 H4 M RCU Radio control unit. ( \) K3 ~+ g- _$ g1 m RDF Radio Direction Finding. A name first used for what became Radar * q$ @0 q! ?% C1 [ Y% c; d1 q RDX Powerful explosive first used in the Barnes Wallis bouncing bomb ; J- @) O5 v5 P o. z% q REA Recommended Crossing Altitude ; }$ ]7 {- z. m' r6 F9 oREAL TIME Time in a computational process which runs at the same rate as a physical process; for example, algorithms designed to run a fixed period t (filter ti... ( j5 z. ~) c3 V6 {- d7 x( `$ NREAL-TIME ENGINEERING SIMULATION(RTES) A simulator designed to test avionics algorithms with a pilot in the loop, consisting of a simulated cockpit, an aircraft model, sensor models, and al... - E0 n5 t9 q" @$ mREASONABLENESS A test to determine if data is reasonable, for example, radar altitude must be positive, and two devices should return similar data within known limit... : V, j9 i& T& `; |" _0 ~& p8 P REBECCA The airborne interrogator end of a two-part system using a ground beacon called EUREKA. Designed as a homing system for the identification of ground f... . g! M$ o z7 u: JRECEIVE To absorb rf energy - U, P$ O: L& n1 D% URECEIVER (RX) The radio unit in the airplane which receives the transmitter signal and relays the control to the servos. This is somewhat similar to the radio you m... * |- F$ L* ~/ s: Y REDLINE For a given airplane, the airspeed above which it is unsafe to fly. Redlining the plane may over stress or even damage structural elements in the plan... 6 H& i' f! o9 i4 R; QREFACC Reference acceleration 9 d1 Y$ X5 d4 F0 A; P REFERENCE What must be achieved in order to match a plan; Synonyms: desired; # S0 b/ D( Z, K @, w2 w6 Y& P4 W G REFERENCE ACCELERATION (REFACC) A guidance control law parameter, generated by the longitudinal guidance modes; Typical Units: ft/s-squared, g; Dimensions: Length / Time-squared & z. W7 s$ L1 `- R) _7 y) nREFERENCE ACCELERATION GAIN(KLA) A guidance control law parameter, generated by the longitudinal guidance modes; Typical Units: s; Dimensions: Time. - r7 D" c% L5 e6 E* ]& \REFLEX If a wing has an airfoil that curves down from the high point, and then curves back up, it`s said to be "reflexed". Reflex is the size of that reverse... 9 K _, W6 B; c R! M {% @ REIL Runway End Identifier Lights

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59#
发表于 2008-12-30 03:23:59 |只看该作者
REJECT To disallow a position update, usually by an operator; Compare: accept & x% A7 E0 t3 G4 }% S/ DRELATIVE Applies to measurements, in a non-standard, moving reference, as opposed to fixed reference; Compare: absolute; 3 T! a( F! K/ v: E$ f6 ~, n. G( n RELATIVE BEARING Angle from aircraft center line to bearing of the destination; Symbols: B sub R; Typical Units: rad, deg; ! ]9 [, j- q/ e& d/ k1 KREMOTE TERMINAL (RT) Term defining role of a device on a MIL-STD-1553 bus as being a slave; Compare: bus controller; 2 ?1 X* I8 m2 ?REMOTE TERMINAL UNIT Signal Data Converter; ?2 o0 P4 k ]4 [ URENDEZVOUS To meet with another aircraft in the air, for refueling or other mission objectives 3 X1 w+ y+ ?' Z* V# k! V7 z RENDEZVOUS APPROACH To approach a planned rendezvous point : x& Y p: O$ f. G& R8 {/ W2 \REP Radial error probability # R* n- D5 ]6 I: {2 k' c4 ZREPORTED Data from a device % v: p6 J. I4 BREPORTING POINT means a geographical location in relation to which the position of an aircraft is reported. Restricted area. A restricted area is airspace designated ... . u; y& k; C R2 J RESONANCE This is the vibration frequency of a rotating or moving object. When the resonance of many parts of a machine are in synch, the whole machine will vib... . e' {8 d7 E: `+ r RETRACT SERVO Specifically used for mechanical retracts. It is a non-proportional servo which only moves 180 degrees. That is to say this servo is either "off" (gea... 6 P/ R: l) ?- M4 ^3 D RETRACTS Short for retractable landing gear. Wheels and struts that fold up into the airplane to get them out of the air stream and present less resistance to ... ( z* i+ ^5 h! j0 Z; t REVENUE Pertaining to activities for which remuneration is received by the carrier. $ i" a: D: b2 l- g/ L; \8 T REVERSERS System for braking aircraft during landing roll. & a& s* L& [! o0 P9 ~) i! u9 H, l/ LRF Radio Frequency # s w* _5 L4 {8 ] _; O6 O; T RFI Request For Improvement Message (slot) 8 x6 g0 N$ c2 m* D8 l7 x* FRFP Reglement ìber die Ausweise fìr das Flugpersonal 9 o( Y& y, u- f; @RFU Radio frequency unit. . ?. H, e9 t+ T- cRG Retractable landing gear. * z2 c9 M1 b. b* B RH Right-hand : h( v/ L7 f- H+ QRHUBARB Low-level tactical operation from cloud cover.

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60#
发表于 2008-12-30 03:24:07 |只看该作者
RIA Regulatory Impact Assessment ; [4 S' A2 K r+ L& k+ |3 z0 z& H0 MRIGHT THRUST Right yaw angle of the engine relative to the centerline of the airplane. Right thrust helps overcome the normal yaw tendency caused by the torque of ... k; o2 {5 y2 ]7 VRIMS Remote Integrity Monitoring Station (?) # x" B5 v" m. U' ^( M4 qRING-LASER GYRO (RLG) A gyroscope based on a laser beam instead of a rotating mass, providing to same data as a gyroscope; L8 \0 S1 Y. O6 I RINGED An engine which uses a piston with a piston ring. Compare to ABC or ABN. Best used in dusty environments, a ringed engine is less susceptible to damag... $ J- {; X( U3 l; x- P3 ~+ f8 l RLG Ring-laser gyro ) p1 [4 U! y8 z6 f8 m RM Regional Meeting 6 Q: w3 D/ S y( S RMI Radio Magnetic Indicator ' |& e0 ?5 ?) x0 w7 URMK Remark (s) ! s$ @0 P3 ~8 g$ n y$ j4 Y RMS Root mean square; & a1 G3 ~9 s1 tRNAV Area navigation device. ; G6 i5 `7 `& b6 K( E0 I) x6 B+ RRNAV WAY POINT (W/P) a predetermined geographical position used for route or instrument approach definition or progress reporting purposes that is defined relative to a VO... 6 {! ]2 L2 x+ H6 y+ x( `2 MRNG Range - g! g* K% t( g RNP Required navigation performance. 0 m& _- \* _' x6 c RNP-N Area Navigation : n. w# |+ m$ B RNSS Radio Navigation Satellite Services ( A" ^6 k; ?" r9 | ROADSTEAD Anti-shipping strike by fighters. Codenamed ROVER in Coastal Command. ( ?1 ^, T# D7 t4 l' K5 J) \0 lROC Rate of Climb 4 ~! h9 `2 S7 ?) S% X$ IROCKET an aircraft propelled by ejected expanding gases generated in the engine from self-contained propellants and not dependent on the intake of outside su... 3 k5 Y6 D# ]$ [( N& fRODEO A general fighter sweep over occupied territory. ' s: C, p' k! v1 K RODERICH German jamming device to counter H2S , ^) H# ?. g4 \3 F6 a g ROLL AXIS The airplane axis controlled by the ailerons. Roll is illustrated by holding the airplane by the nose and tail. Dropping either wingtip is the roll mo... 5 i# o; U8 m& {" S7 {ROLL CUE Flight director cue to control roll; in fixed-wing aircraft, a wheel cue; in rotary-wing aircraft, a lateral cyclic cue # Y" o0 |$ s6 r& D c0 L' h ROLL RATE Rate of change of roll; time derivative of roll; Symbols: q; Symbols: phi dot; Typical Units: rad/s, deg/s; Dimensions: 1/Time; 9 Q# F, B. n+ j( D SROM Read-only memory.

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