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
SOBER BY MONDAY
U.S. Official No. 1211120
Not yet on Master's MateType
Recreational
Flag
USALength
9.8 m
Beam
2.5 m
Draft
1.4 m
First reported
Jun 2026
AIS reports
1
SOBER BY MONDAY, an American recreational vessel, measures 9.8 metres on deck. Below, she has 2.5 metres in the beam and a draft of 1.4 m. Officially she's U.S. official number 1211120. Give SOBER BY MONDAY the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for recreational captains
Keep SOBER BY MONDAY 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 SOBER BY MONDAY 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 SOBER BY MONDAY 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 SOBER BY MONDAY and switch it all on
Free to join · nothing to install to start · cancel anytime
About SOBER BY MONDAY
What kind of vessel is SOBER BY MONDAY?
SOBER BY MONDAY is a Recreational flagged to United States of America.
What is SOBER BY MONDAY's U.S. Official No.?
SOBER BY MONDAY's U.S. Official No. is 1211120.
How big is SOBER BY MONDAY?
SOBER BY MONDAY is about 9.8 m long, 2.5 m on the beam, drawing 1.4 m.
Is SOBER BY MONDAY on the Master's Mate Safety Initiative Network?
Not yet. If SOBER BY MONDAY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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