单项选择题

Class A EPIRBs are required on（）.

A.self-propelled，inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels

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单项选择题

CATEGORY A EPIRB’s transmit on frequencies that are monitored by（）.

A.orbiting satellites in space
B.commercial radio stations
C.private，commercial，and military aircraft
D.ordinary radio stations

单项选择题

All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radiobeacons (EPIRB)（）?

A.One approved Class A EPIRB
B.Two approved Class A EPIRBs
C.One approved Class B EPIRBs
D.Two approved Class B EPIRBs

单项选择题

A vessel operating outside of coastal waters must carry an automatically activated Emergency Position Indicating Radio Beacon (EPIRB) if she（）.

A.does not have berthing facilities
B.has berthing and galley facilities
C.is a workboat and her mother ship carries an EPIRB
D.None of the above are correct