时间：2011-08-28 15:32来源：蓝天飞行翻译 作者：航空 点击：次
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RADAR REQUIRED Annotation used on an instrument approach chart to indicate that the procedure turn may have been eliminated and that the initial approach portion of the procedure is being provided by ATC vectors. Without ATC vectoring, the instrument approach procedure (IAP) may not have a published initial approach. Fr: RADAR REQUIS radar return Other expression for: radar echo radar route A flight path or route over which an aircraft is vectored. Navigational guidance and altitude assignments are provided by ATC. Fr: route radar radar separation The spacing of aircraft in accordance with established minima, based on information derived from radar sources. Fr: espacement radar radar service A service, provided directly by means of radar, that includes radar advisory, radar control service, radar monitoring, radar navigational assistance and radar separation. Fr: service radar “Radar service terminated” An expression used by ATC to inform a pilot that he or she will no longer be provided with any of the services that could be received while in radar contact. Fr: . Service radar terminé . radar vectoring Other expression for: vector radial A magnetic bearing from a VHF omnidirectional range (VOR), tactical air navigation aid (TACAN), or VORTAC facility, except for facilities in the Northern Domestic Airspace (NDA), which may be oriented on true or grid north. . abbreviation: R Fr: radiale radio A general expression applied to the use of radio waves. Fr: radio radio altimeter Radionavigation equipment on board an aircraft that makes use of the reflection of radio waves from the ground to determine the height of the aircraft above the surface of the earth. . abbreviations: RA and RADALT Fr: radioaltimètre radio beacon A station transmitting non-directional radio signals. . see also: non-directional beacon (NDB) Fr: radiophare radio direction-finding station A radio station intended to determine only the direction of other stations by means of transmissions from the latter. . also called: direction-finding station and DF station Fr: station radiogoniométrique radio magnetic indicator An aircraft navigational instrument that, coupled with a gyro compass or any other compass system, indicates the direction of a selected NAVAID and indicates bearing with respect to the heading of the aircraft. . abbreviation: RMI Fr: indicateur radiomagnétique RAIM Abbreviation for: receiver autonomous integrity monitoring Fr: RAIM ramp Other expression for: apron rapid exit taxiway Other expression for: high speed taxiway RAR Abbreviation for: runway acceptance rate Fr: RAR rated coverage The area surrounding a non-directional beacon (NDB) within which the strength of the vertical field of the ground wave exceeds the minimum value specified for the geographical area in which the NDB is situated. Fr: couverture nominale |
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