MMSI 366867740 · Call sign WDA9676
Not yet on Master's MateTwelfth of Never is an American vessel. On AIS she appears as MMSI 366867740, call sign WDA9676. Give Twelfth of Never 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 Twelfth of Never on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.