English Dictionary

fan marker

名詞

(aviation) An obsolescent type of marker beacon, usually used to mark en route airways but occasionally used as part of a non-precision approach, which radiates in a pattern that is considerably wider, from the perspective of an aircraft approaching the marker along the airway, than it is long (allowing an aircraft to pick up the signal from the marker even if slightly to one side of the airway's centerline).

日本語の意味

航空分野で使用される、旧型のマーカービーコンの一種。通常、空路の目印として用いられるが、時には非精密進入方式の一部としても利用される。航空機が信号を受信しやすいよう、信号が放射するパターンが、進入中の航空機から見ると、縦よりも横に広い特性を持つ。

The navigator tuned the receiver to the fan marker and confirmed that its much wider-than-long radiation pattern allowed a slightly off-center aircraft to pick up the signal while flying along the airway.

航法士は受信機を扇状のマーカービーコンに合わせ、その長さよりもはるかに幅が広い放射パターンにより、航路上を飛行している際にわずかに中心線から外れた機体でも信号を受信できることを確認した。

意味（1）

(aviation) An obsolescent type of marker beacon, usually used to mark en route airways but occasionally used as part of a non-precision approach, which radiates in a pattern that is considerably wider, from the perspective of an aircraft approaching the marker along the airway, than it is long (allowing an aircraft to pick up the signal from the marker even if slightly to one side of the airway's centerline).

fan markers （ plural ）