통신보안항공무선통신사 · 2018년03월10일 · 51/70
51.조난신호에 관한 ICAO 규정으로 옳지 않은 것은?
1
A distress message sent via data link which transmits the intent of the word "MAYDAY"
2
A radiotelephony distress signal consisting of the spoken word "MAYDAY"
3
A parachute flare showing a green light정답
4
A signal made by radiotelegraphy or by any other signaling method consisting of the group "SOS"
해설
3. red light