A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word().
A、PAN-PAN
B、MAYDAY
C、SOS
D、SECURITY
A、PAN-PAN
B、MAYDAY
C、SOS
D、SECURITY
A、the Canadian Coast Guard B、Ice Sarnia C、the Ice Navigation Center D、the icebreaker assigned to the area
A、Commandant of the Coast Guard B、Owner of the unit C、Nearest Coast Guard Marine Safety Office D、Captain of the nearest port
A、Nearest Oceanographic office B、The Marine Safety Center at Coast Guard Headquarters C、National Ocean Service D、Nearest Officer in Charge,Marine Inspection
A、a Coast Guard inspector B、a registered professional engineer C、the owner or Master of the vessel D、a licensed electrician
A、National Geospatial-Intelligence Agency B、Coast Guard C、Naval Observatory D、National Ocean Service
A、National Geospatial-Intelligence Agency B、Coast Guard C、Naval Observatory D、National Ocean Service
A、American Bureau of Shipping B、National Cargo Bureau C、United States Coast Guard D、United States Customs