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.
Passenger (Uninspected)
Windsor knot
MMSI 368176770 · Call sign WDL9189
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
10.1 m
Beam
3.2 m
Draft
2.5 m
Call sign
WDL9189
Official No.
554988
AIS reports
1
Windsor knot, an excursion vessel flying the flag of the United States, measures 10.1 metres on deck. She carries a beam of 3.2 m and a 2.5-metre draft. Find her under MMSI 368176770, call sign WDL9189. The Master's Mate Safety Initiative Network welcomes Windsor knot — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Windsor knot safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Windsor knot 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Windsor knot on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 Windsor knot and switch it all on
Free to join · nothing to install to start · cancel anytime
About Windsor knot
What kind of vessel is Windsor knot?
Windsor knot is a Passenger (Uninspected) flagged to United States of America.
What is Windsor knot's MMSI?
Windsor knot's MMSI is 368176770. Call sign WDL9189.
How big is Windsor knot?
Windsor knot is about 10.1 m long, 3.2 m on the beam, drawing 2.5 m.
Is Windsor knot on the Master's Mate Safety Initiative Network?
Not yet. If Windsor knot is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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