MMSI 368356280 · Call sign WDP4641
Not yet on Master's MateOut of the United States, STEADFAST is a 16.6-metre pleasure boat. Her hull carries 5.2 metres in the beam and a draft of 2.4 m. She's on record as MMSI 368356280, call sign WDP4641. STEADFAST belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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 STEADFAST on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.