When sending a DSC distress alert with the nature of distress programmed, which category covers a vessel sinking?
A. Use the "Undesignated" category for any life-threatening emergency
B. Sinking — one of the standard DSC distress categories alongside Fire/Explosion, Flooding, Collision, Grounding, Listing, Adrift, Abandoning Ship, Piracy, MOB
C. Sinking is encoded as "Flooding" on all DSC controllers
D. DSC alerts cannot carry nature of distress information — only MMSI and position
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A. To operate the radar system remotely
B. To broadcast weather forecasts to other vessels
C. To make telephone calls from the vessel to shore
D. To send a digitally coded distress alert containing the vessel's MMSI and position automatically to all DSC-equipped stations and the Coastguard
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A. Maritime Mobile Service Identity — a unique 9-digit number identifying the vessel; without it a DSC distress alert cannot identify the vessel to rescuers
B. A GPS waypoint identifier used in coastal navigation
C. A VHF channel number allocated by Ofcom for distress use only
D. A vessel survey certificate number required by the MCA
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