MMSI 366737820 · Call sign WCX6844
Not yet on Master's MateJ. C. ROO II is an American 15.1-metre recreational boat. She's built with 4.5 metres in the beam and a 2.4 m draft. She's on record as MMSI 366737820, call sign WCX6844. Add J. C. ROO II to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put J. C. ROO II on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.