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
TWIN BONANZA
U.S. Official No. 510532
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
12.5 m
Beam
3.9 m
Draft
1.8 m
First reported
Jun 2026
AIS reports
1
TWIN BONANZA, a private cruiser under the American flag, measures 12.5 metres on deck. Below, she has a beam of 3.9 m and a draft measuring 1.8 metres. On the registers she's U.S. official number 510532. Claim TWIN BONANZA free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for recreational captains
Keep TWIN BONANZA 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.