MMSI 367028880 · Call sign WCX6387
Not yet on Master's MateOut of the United States, DINO JOHN is a 15.9-metre work boat. She has 6.8 metres in the beam and a draft measuring 2.5 metres. On AIS she shows as MMSI 367028880, call sign WCX6387. DINO JOHN belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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 DINO JOHN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.