MMSI 368396580 · Call sign WDP9123
Not yet on Master's MateBlue Moon flies the American flag — a 14.6-metre commercial fishing vessel. She's built with a beam measuring 4.4 metres and a 2.1 m draft. Officially she's MMSI 368396580, call sign WDP9123. It's free to add Blue Moon 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 Blue Moon on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.