ground proximity warning system

Noun

(aeronautics) A device which warns the pilot that the aircraft may be in danger of collision with the ground.

Japanese Meaning

航空機が地面との衝突の危険にあるときに、パイロットに警告を与える装置

During the approach in thick fog, the ground proximity warning system alerted the crew to an unsafe descent.

濃霧の中の進入時、地上接近警報装置が乗務員に危険な降下を警告した。

Sense（1）

(aeronautics) A device which warns the pilot that the aircraft may be in danger of collision with the ground.

ground proximity warning systems

（ plural ）