U.S. Official No. 1358317
Not yet on Master's MatePRUDENCE flies the American flag — a 7.8-metre working craft. She has a beam of 4.3 m and a draft of 1.5 m. Officially she's U.S. official number 1358317. There's a place for PRUDENCE on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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 PRUDENCE on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.