MMSI 366806790 · Call sign WCX6820
Not yet on Master's MateDOOR #3, an American cruising boat, measures 12.6 metres on deck. DOOR #3 has a 4.2 m beam and a 2.8-metre draft. On AIS she appears as MMSI 366806790, call sign WCX6820. It's free to add DOOR #3 to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put DOOR #3 on the map. It hands you the full bridge:
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