MMSI 366685420 · Call sign WCS8809
Not yet on Master's MateFOUR MOORE is an American boat. Officially she's MMSI 366685420, call sign WCS8809. Give FOUR MOORE the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has 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 FOUR MOORE on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.