MMSI 367420330 · Call sign WDE9708
Not yet on Master's MateOut of the United States, Extra Stout is a 15.7-metre family boat. She's built with a 4.8-metre beam and a 2.9 m draft. On AIS she shows as MMSI 367420330, call sign WDE9708. Extra Stout 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 Extra Stout on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.