MMSI 338486000 · Call sign WDQ8182
Not yet on Master's MateMadness is an American craft. Find her under MMSI 338486000, call sign WDQ8182. Madness can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
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 Madness on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.