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
NORTHERN STAR
U.S. Official No. 931722
Not yet on Master's Mate
Type
Recreational
Flag
USA
Length
8.9 m
Beam
3 m
Draft
1.8 m
Hull ID
RPG31121A888
First reported
Jun 2026
AIS reports
1
On the American registry, NORTHERN STAR is an 8.9-metre recreational vessel. She has a beam measuring 3 metres and a draft of 1.8 m. Officially she's U.S. official number 931722. Join NORTHERN STAR to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for recreational captains
Keep NORTHERN STAR 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.