Master's MateSafety Initiative Network
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
ARRRR BOAT
U.S. Official No. 999806
Not yet on Master's MateType
Recreational
Flag
USALength
12.3 m
Beam
4 m
Draft
2 m
Hull ID
SERF3759K394
First reported
Jun 2026
AIS reports
1
An American cruising boat, ARRRR BOAT measures 12.3 metres. ARRRR BOAT has a 4 m beam and a 2-metre draft. She's listed under U.S. official number 999806. ARRRR BOAT is exactly the kind of boat the Master's Mate Safety Initiative Network was built for — free, simple, and always on watch.
Free forever · No credit card · for recreational captains
Keep ARRRR BOAT 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.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever ARRRR BOAT roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ARRRR BOAT on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim ARRRR BOAT and switch it all on
Free to join · nothing to install to start · cancel anytime
About ARRRR BOAT
What kind of vessel is ARRRR BOAT?
ARRRR BOAT is a Recreational flagged to United States of America.
What is ARRRR BOAT's U.S. Official No.?
ARRRR BOAT's U.S. Official No. is 999806.
How big is ARRRR BOAT?
ARRRR BOAT is about 12.3 m long, 4 m on the beam, drawing 2 m.
Is ARRRR BOAT on the Master's Mate Safety Initiative Network?
Not yet. If ARRRR BOAT is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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