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
SOUR MASH
U.S. Official No. 572564
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
8.1 m
Beam
2.6 m
Draft
2.3 m
First reported
Jun 2026
AIS reports
1
SOUR MASH is a pleasure boat flying the flag of the United States, 8.1 metres long. Her hull carries 2.6 metres in the beam and a draft of 2.3 m. Her papers read U.S. official number 572564. Whether she's at the dock or out for the weekend, SOUR MASH is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.
Free forever · No credit card · for recreational captains
Keep SOUR MASH 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.