Position Light - Ichito

Japanese: 位置灯 - いちとう
Position Light - Ichito

…They are broadly divided into those intended to prevent collisions with other aircraft and those for the convenience of one's own operation. The former include navigation lights and anti-collision lights, while the latter include landing lights and logo lights. (1) Navigation lights (also called position lights) indicate the direction of travel of aircraft and prevent mutual collisions. The Aviation Law stipulates that a green light must be installed on the right wingtip and a red light on the left wingtip, each at an angle of 110 degrees outward from the axis of the direction of travel, and a white light must be installed on the tail at an angle of 140 degrees backward. There is usually one tail light, but sometimes two are installed. …

*Some of the terminology that refers to "position lights" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…他機との衝突防止を目的とするものと,自機の運航の利便のためのものに大別され,前者には航法灯,衝突防止灯,後者には着陸灯,ロゴ灯などがある。(1)航法灯navigation light 位置灯position lightともいい,航空機の進行方向を示して,相互の衝突を防止するため,右翼端に緑色,左翼端に赤色灯を,おのおの進行方向の軸線に対し外側に110度に,また尾部には白色灯を後方に140度の角度に装備することが航空法で定められている。尾部灯は通常1個だが2ヵ所につけることがある。…

※「位置灯」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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