MMSI 366811010 · Call sign WDA4583
Not yet on Master's MateMary Kalei is a fishing craft flagged in the United States, 22.9 metres LOA. She has a beam of 7.3 m and a draft of 3.7 m. Officially she's MMSI 366811010, call sign WDA4583, IMO 8970366. Bring Mary Kalei aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Mary Kalei on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.