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.
Passenger (Inspected)
RIPTIDE
U.S. Official No. 521236
Not yet on Master's Mate
Type
Passenger (Inspected)
Flag
USA
Length
8.2 m
Beam
3.2 m
Draft
1.4 m
First reported
Jun 2026
AIS reports
1
RIPTIDE, an American passenger ship, measures 8.2 metres on deck. Below, she has a 3.2-metre beam and a draft measuring 1.4 metres. On the registers she's U.S. official number 521236. It's free to add RIPTIDE to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard RIPTIDE safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.