A.ship in distress and assisting units B.NCS and RCC C.RCCs and „0n-scene commander‟ or “co-ordinator surface search” D.ship in distress and coast station
单项选择题()are used for distress alerting as a rule.
A.SES/DSC/EPIRB B.SART/radiotelephone C.COSPAS-SARSAT D.both B and C
单项选择题Mariners can use DSC for().
A.general communication B.distress alerting and safety calling C.receive MSI D.both B and C
单项选择题Equipment requirement vary according to().
A.Ship owner‟s will B.economic condition C.the area in which the ship operates D.different orders of all countries
单项选择题The WWNWS establishes three types of navigational warning:().
A.Distress, Urgency and Safety B.Vital, Important and Routine C.NAVAREA, Coastal and local D.gale, Tsunami and Ice
单项选择题Every ship must fitted with()SART, and()two-way VHF radio telephone.
A.1,2 B.2,3 C.2,1 D.3,2