MMSI 366975690 · Call sign WDB9440
Not yet on Master's MateNOTTUS is an American 13.1-metre recreational boat. She's built with 3.6 metres in the beam and a 2.7 m draft. Officially she's MMSI 366975690, call sign WDB9440. It's free to add NOTTUS 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 NOTTUS on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.