MMSI 367558940 · Call sign WDG6621
Not yet on Master's MateBobbin Along is an American vessel. On AIS she shows as MMSI 367558940, call sign WDG6621. Bring Bobbin Along aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Bobbin Along on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.