A.MAYDAY
B.PAN-PAN
C.SECURITE
D.SOS
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A.TTT
B.The spoken word PAN
C.The spoken word SECURITE
D.XXX
A.SOS
B.XXX
C.TTT
D.PAN
A.SOS
B.Mayday
C.Securite
D.PAN
A.SSS
B.TTT
C.XXX
D.FFF
A.Mayday-Mayday-Mayday
B.Pan-Pan (3 times)
C.Securite-Securite-Securite
D.SOS-SOS-SOS
最新試題
What is the primary purpose of a splint applied in first aid?（）
To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.
Which radiotelephone signal indicates receipt of a distress message?（）
There is plenty of（）at this area.
What is required to launch a boat stowed in a crescent davit?（）
The vessel was drifted off from her（）due to strong wind.
The towing light is a(n)（）.
What is the MOST irritating to the skin?（）
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.