MMSI 366844810 · Call sign WDA7574
Not yet on Master's MateCourageous is a boat, sailing under the American flag. Her papers read MMSI 366844810, call sign WDA7574. Claim Courageous free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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 Courageous on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.