MMSI 366736820 · Call sign WCX3800
Not yet on Master's MatePOLISEA flies the American flag — a 19.9-metre recreational boat. POLISEA has a 5.5-metre beam and a 3.1 m draft. She broadcasts as MMSI 366736820, call sign WCX3800. There's a place for POLISEA on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put POLISEA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.