MMSI 366858370 · Call sign WDK2535
Not yet on Master's MateNorthender is an American offshore fishing boat — 11.6 metres overall. She carries a beam measuring 4 metres and a 2.4 m draft. Officially she's MMSI 366858370, call sign WDK2535. Give Northender the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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 Northender on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.