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
MATTASH 4.0
U.S. Official No. 930776
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
10.4 m
Beam
3.7 m
Draft
1.1 m
Hull ID
LSW34035I787
First reported
Jun 2026
AIS reports
1
MATTASH 4.0 flies the American flag — a 10.4-metre leisure boat. She carries a beam measuring 3.7 metres and a 1.1 m draft. Her registration reads U.S. official number 930776. MATTASH 4.0 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for recreational captains
Keep MATTASH 4.0 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.