MMSI 367013020 · Call sign WTK6831
Not yet on Master's MateSPIRIT OF SEATTLE is an American passenger vessel — 36 metres overall. She's built with 11 metres in the beam and a 2 m draft. On AIS she appears as MMSI 367013020, call sign WTK6831. There's a place for SPIRIT OF SEATTLE on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put SPIRIT OF SEATTLE on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.