MMSI 367062370 · Call sign WDC6864
Not yet on Master's MateOn the American registry, MARY ANN is a 23.1-metre harbour workboat. Her hull carries a 8.3-metre beam and a draft of 2.6 m. She broadcasts as MMSI 367062370, call sign WDC6864. Claim MARY ANN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put MARY ANN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.