A.weekB.two weeksC.monthD.two monthsEach EPIRB required……

单项选择题Each Class A EPIRB shall be stowed in a manner which will permit（）.

A.easy access to its storage compartment
B.replacement of the battery without exposure to the weather
C.it to float free if the vessel sinks
D.it to remain attached to the vessel

单项选择题During an annual FCC inspection（）.

A.all required documents and publications may have to be produced
B.licensed GMDSS radio operators may be required to demonstrate equipment competencies
C.all required equipment must be fully operational
D.All of the above

单项选择题Class C EPIRBs are（）.

A.manually activated and operate on maritime (VHF) channels
B.automatically activated and operate on maritime (VHF) channels
C.manually operated and detected by satellite
D.automatically operated and detected by satellite

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

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