MMSI 367070360 · Call sign WDP8506
Not yet on Master's MateSOJOURN is an American working fishing boat — 17.1 metres overall. She's built with a beam of 6.7 m and a 3 m draft. On the registers she's MMSI 367070360, call sign WDP8506. It's free to add SOJOURN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 SOJOURN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.