A.a floating wreck
B.a survivor at sea
C.a man who had fallen overboard
D.a drilling rig
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A.a message about the safety of navigation will follow
B.a message of an urgent nature about the safety of a ship will follow
C.the sender is in distress and requests immediate assistance
D.you should secure your radiotelephone
A.Safety message
B.Urgency message
C.Distress message
D.Routine message
A.at
B.on
C.in
D.above
最新試題
The most likely time for oil pollution while bunkering is when（）.
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
Which statement is TRUE about nylon line?（）
Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
Which term describes a part of a natural fiber line?（）
The winch is liable（）worn-out in this way.
Three SHORT BLASTS mean（）.
Which statement is TRUE concerning radiotelephones on board towing vessels?（）
The ship will be（）demurrage soon.