MMSI 366716310 · Call sign WCW4669
Not yet on Master's MateFLASH flies the American flag — a vessel. Officially she's MMSI 366716310, call sign WCW4669. Claim FLASH 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 FLASH on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.