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.
Offshore Supply Vessel
Bull Red
MMSI 367484180 · Call sign WDM9521
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
20.4 m
Beam
10.4 m
Draft
2 m
Call sign
WDM9521
Official No.
653381
AIS reports
2
Bull Red is an American 20.4-metre work boat. Below, she has a beam measuring 10.4 metres and a draft measuring 2 metres. Find her under MMSI 367484180, call sign WDM9521. Bull Red is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for working boats
Built for boats that work — like Bull Red.
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 Bull Red 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 Bull Red 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 Bull Red and switch it all on
Free to join · nothing to install to start · cancel anytime
About Bull Red
What kind of vessel is Bull Red?
Bull Red is a Offshore Supply Vessel flagged to United States of America.
What is Bull Red's MMSI?
Bull Red's MMSI is 367484180. Call sign WDM9521.
How big is Bull Red?
Bull Red is about 20.4 m long, 10.4 m on the beam, drawing 2 m.
Is Bull Red on the Master's Mate Safety Initiative Network?
Not yet. If Bull Red is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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