precision approach radar

Japanese: precision approach radar(英語表記)precisionapproachradar
precision approach radar

…The effective range is 50 to 130 km horizontally and 1 to 8 km altitude. It is also called precision approach radar (PAR). It is a radar device for guiding aircraft on final approach to a runway. The radar controller conveys the heading, descent rate, distance to the touchdown point, etc. to the pilot along the approach course and approach angle set in advance on the radar screen, and guides the aircraft to the runway while correcting any deviations. …

*Some of the terminology that refers to "precision approach radar" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…有効範囲は水平距離で50~130km,高度1~8km。 精測進入レーダーPAR(precision approach radarの略)ともいう。滑走路に最終進入する航空機を誘導するためのレーダー装置で,あらかじめレーダー面に設定されている進入コースおよび進入角に沿って,レーダー管制官が機首方位,降下率,接地点までの距離などをパイロットに伝え,ずれを修正しながら航空機を滑走路まで誘導する。…

※「precision approach radar」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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