遭そう難なん信しん号ごう

noun

distress signal; SOS

A signal sent when in danger, especially at sea or in the mountains. Often used in the context of ships, aircraft, or outdoor accidents.

See also: 救難信号

• 船ふねが遭そう難なん信しん号ごうを発はっ信しんした。

  The ship sent out a distress signal.

• 遭そう難なん信しん号ごうを受じゅ信しんした救きゅう助じょ隊たいがすぐに出しゅつ動どうした。

  The rescue team that received the distress signal was dispatched immediately.