MMSI 368424930 · Call sign WDQ4375
Not yet on Master's MateMallary Maria, an American working fishing boat, measures 12.5 metres on deck. She's built with a beam measuring 4.6 metres and a 2.4 m draft. On AIS she shows as MMSI 368424930, call sign WDQ4375. It's free to add Mallary Maria 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 Mallary Maria on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.