MMSI 366697790 · Call sign WCU6821
Not yet on Master's MateBLACK JACK LADY is an American boat. Find her under MMSI 366697790, call sign WCU6821. The Master's Mate Safety Initiative Network welcomes BLACK JACK LADY — free to join, cruiser-run, and always on watch.
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 BLACK JACK LADY on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.