2016년06월11일 28번
[임의 구분] What is the safety signal used in radiotelephony?
- ① MAYDAY
- ② PAN PAN
- ③ SECURITE
- ④ OVER
(정답률: 72%)
문제 해설
"SECURITE" is the safety signal used in radiotelephony because it is used to indicate a safety message or information that is important for the safety of aircraft or vessels, but does not require immediate assistance. It is used to alert other pilots or vessels to potential hazards or dangers in the area.