Code 7700 is used for _______ .

2023-12-26 21:19:43
英语

Code 7700 is used for _______ .

A.emergency situation

B.the failure of two-way radio communications

C.hijack

D.the failure of minor aircraft system

正确答案是A

上一篇：One of the ways the pilot can be identified easily on radar when

下一篇：The _______ situation is a condition of being concerned about sa