MMSI 366713860 · Call sign WCW3686
Not yet on Master's MateLIL YAPPER is an American vessel. Find her under MMSI 366713860, call sign WCW3686. It's free to add LIL YAPPER to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 LIL YAPPER on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.