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.
Towing Vessel
Brown Water I
MMSI 367007480 · Call sign WDC3411
Not yet on Master's MateType
Towing Vessel
Flag
USALength
16.4 m
Beam
6.7 m
Draft
2.6 m
Call sign
WDC3411
Official No.
600525
AIS reports
1
Brown Water I is an American utility vessel, 16.4 metres overall. Brown Water I has a 6.7-metre beam and a 2.6-metre draft. Officially she's MMSI 367007480, call sign WDC3411. It's free to add Brown Water I to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like Brown Water I.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Brown Water I 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Brown Water I on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Brown Water I and switch it all on
Free to join · nothing to install to start · cancel anytime
About Brown Water I
What kind of vessel is Brown Water I?
Brown Water I is a Towing Vessel flagged to United States of America.
What is Brown Water I's MMSI?
Brown Water I's MMSI is 367007480. Call sign WDC3411.
How big is Brown Water I?
Brown Water I is about 16.4 m long, 6.7 m on the beam, drawing 2.6 m.
Is Brown Water I on the Master's Mate Safety Initiative Network?
Not yet. If Brown Water I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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