U.S. Official No. 1236056
Not yet on Master's MatePRINCIPIA is a recreational vessel registered in the United States, spanning 12.4 metres. She has a 3.1-metre beam and a draft measuring 1.8 metres. Find her under U.S. official number 1236056. Claim PRINCIPIA free and let the Master's Mate Safety Initiative Network keep an eye on her, on the water or off.
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 PRINCIPIA on the map. It hands you the full bridge:
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