You witness a vessel in distress but they are not transmitting. How do you send a Mayday Relay?

A. Only the Coastguard can relay a Mayday — do not transmit on behalf of another vessel

B. Use DSC Ch 70 to relay — voice relays are not permitted under ITU regulations

C. "MAYDAY RELAY, MAYDAY RELAY, MAYDAY RELAY — ALL STATIONS — This is [your vessel name x3] — The following Mayday message was received from [vessel name] at [time] — MAYDAY [their vessel name] — [their position, nature of distress, persons on board] — Over"

D. Transmit a Pan Pan on behalf of the distressed vessel

A. To send a digitally coded distress alert containing the vessel's MMSI and position automatically to all DSC-equipped stations and the Coastguard

B. To broadcast weather forecasts to other vessels

C. To make telephone calls from the vessel to shore

D. To operate the radar system remotely

A. A GPS waypoint identifier used in coastal navigation

B. Maritime Mobile Service Identity — a unique 9-digit number identifying the vessel; without it a DSC distress alert cannot identify the vessel to rescuers

C. A VHF channel number allocated by Ofcom for distress use only

D. A vessel survey certificate number required by the MCA