Class A EPIRBs are required on().
A、self-propelled,inspected vessels
B、towing vessels
C、recreational vessels
D、uninspected passenger vessels
A、self-propelled,inspected vessels
B、towing vessels
C、recreational vessels
D、uninspected passenger vessels
A、One approved Class A EPIRB B、Two approved Class A EPIRBs C、One approved Class B EPIRBs D、Two approved Class B EPIRBs
A、One approved Category 1 EPIRB B、Three approved Category 1 EPIRBs C、One approved Class B EPIRB D、Two approved Class B EPIRBs
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
A、permanently mounted in the survival craft B、portable and stowed for carriage to the survival craft C、permanently mounted on the bridge wings D、portable and stowed in the emergency gear locker
A、groupadd -r 600 class B、groupadd -f 600 class C、groupadd -u 600 class D、groupadd -g 600 class
A、NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-system B、Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-system C、NAVTEX, Inmarast,EPIRBs and SART D、Inmarsat, direct Printing Telegraphy