MMSI 366837330 · Call sign WDA6899
Not yet on Master's MateOut of the United States, Capt. Gillen II is a 20.8-metre excursion vessel. She's built with 6.9 metres in the beam and a 2.1-metre draft. On AIS she shows as MMSI 366837330, call sign WDA6899. Capt. Gillen II is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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 Capt. Gillen II on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.