The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Recreational
RIO
U.S. Official No. 972829
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
12.6 m
Beam
4.2 m
Draft
2.3 m
First reported
Jun 2026
AIS reports
1
RIO is an American 12.6-metre cruising boat. She's built with a beam measuring 4.2 metres and a 2.3 m draft. Her registration reads U.S. official number 972829. Add RIO to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for recreational captains
Keep RIO looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.