What is defined as an area outside sea areas A1, A2 and A3?
A.AOR-E
B.AOR-W
C.Coastal and inland waters
D.A4
D
上一篇 Which of the following is a required GMDSS function?
下一篇 对于国内航行海船,救生设备与装置配备要求( )。①客船、500总吨及以上货船,至少配备双向甚高频无线电话至少3台;②客船、500总吨及以上货船每舷至少装设l台雷达应答器;③每船应配备不少于16支火箭降
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