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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

BRIAN S.

MMSI 366980250 · Call sign WCP9410

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
30 m
Beam
8.9 m
Draft
3.8 m
Call sign
WCP9410
IMO
8841943
Official No.
292934
AIS reports
1

BRIAN S., a workboat sailing under the American flag, measures 30 metres on deck. She's built with a 8.9 m beam and a 3.8 m draft. On the registers she's MMSI 366980250, call sign WCP9410, IMO 8841943. Claim BRIAN S. free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Built for boats that work — like BRIAN S..

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 BRIAN S. roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put BRIAN S. 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 BRIAN S. and switch it all on
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About BRIAN S.

What kind of vessel is BRIAN S.?
BRIAN S. is a Towing Vessel flagged to United States of America.
What is BRIAN S.'s MMSI?
BRIAN S.'s MMSI is 366980250. Call sign WCP9410. IMO 8841943.
How big is BRIAN S.?
BRIAN S. is about 30 m long, 8.9 m on the beam, drawing 3.8 m.
Is BRIAN S. on the Master's Mate Safety Initiative Network?
Not yet. If BRIAN S. is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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