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
THIRTY-THREE
U.S. Official No. 669878
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
9.2 m
Beam
3.6 m
Draft
1.2 m
Hull ID
ZHYN3247M84G
First reported
Jun 2026
AIS reports
1
Registered in the United States, THIRTY-THREE is a 9.2-metre cruising boat. THIRTY-THREE has a beam measuring 3.6 metres and a 1.2 m draft. Her registration reads U.S. official number 669878. Join THIRTY-THREE to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for recreational captains
Keep THIRTY-THREE 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.