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
AMERICAN THUNDER
U.S. Official No. 933199
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
11.5 m
Beam
2.7 m
Draft
1.2 m
Hull ID
UNFEB127D888
First reported
Jun 2026
AIS reports
1
Out of the United States, AMERICAN THUNDER is an 11.5-metre recreational vessel. Below, she has a beam of 2.7 m and a draft of 1.2 m. Her papers read U.S. official number 933199. There's a place for AMERICAN THUNDER on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for recreational captains
Keep AMERICAN THUNDER 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.