A.a safety line attached to a man working over the side B.used to measure water depth C.used to slow the headway of a barge D.used to measure the overhead height of a bridge
A.Ship owner‟s will B.economic condition C.the area in which the ship operates D.different orders of all countries
A.200 B.300 C.400 D.800
A.was suffering B.is suffering C.has suffered D.has been suffering
A.At least two years after the last entry B.At least one year after the last entry C.At least 90 days after the last entry D.At least 30 days after the last entry
A.can be overcome by using traditional techniques B.cannot be overcome by satellite system C.can be overcome by satellite and digital techniques D.cannot be tackled by any modern system
A.approved by the CCS B.designed for float free，automatic activation C.operated on 121.5/243 MHz D.operated manually
A.satellite EPIRBs B.Non-satellite EPIRBs C.SES and DSC
A.from any Inmarsat satellite B.from any appropriate Navtex and EGC station C.via the satellite the SES is tracking D.from any RCC and coast station
A.MF B.VHF C.HF D.LF
