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.
Vessel
Brew Boat III
MMSI 368307860 · Call sign WDN7373
Not yet on Master's MateFlag
USACall sign
WDN7373
Official No.
OH8849GH
AIS reports
1
On the American registry, Brew Boat III is a vessel. Her papers read MMSI 368307860, call sign WDN7373. Claim Brew Boat III free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is Brew Boat III your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Brew Boat III 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Brew Boat III 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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 Brew Boat III and switch it all on
Free to join · nothing to install to start · cancel anytime
About Brew Boat III
What kind of vessel is Brew Boat III?
Brew Boat III is a vessel flagged to United States of America.
What is Brew Boat III's MMSI?
Brew Boat III's MMSI is 368307860. Call sign WDN7373.
Is Brew Boat III on the Master's Mate Safety Initiative Network?
Not yet. If Brew Boat III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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