MMSI 367747870 · Call sign WDI9362
Not yet on Master's Mate2nd Course is an American craft. She's on record as MMSI 367747870, call sign WDI9362. 2nd Course is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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 2nd Course on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.