MMSI 367363930 · Call sign WBY9317
Not yet on Master's MateMR HENRY, an American passenger boat, measures 15.2 metres on deck. MR HENRY has a beam measuring 5.8 metres and a 2.1 m draft. Look for MMSI 367363930, call sign WBY9317. MR HENRY belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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 MR HENRY on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.