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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.
Other
MADISON R
MMSI 367790610 · Call sign WDJ5721
Not yet on Master's MateType
Other
Flag
USALength
34 m
Beam
9 m
Call sign
WDJ5721
IMO
5126615
Official No.
273630
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
38
An American boat, MADISON R measures 34 metres. She's built with a 9 m beam. She's listed under MMSI 367790610, call sign WDJ5721, IMO 5126615. The Master's Mate Safety Initiative Network welcomes MADISON R — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is MADISON R 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
Last known position · Jun 3, 2026
Position
42.1317° N, 83.1240° W
Crossing Lake Erie? 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 MADISON R 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 MADISON R and switch it all on
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About MADISON R
What kind of vessel is MADISON R?
MADISON R is a Other flagged to United States of America.
Where was MADISON R last seen?
MADISON R was last reported in Lake Erie in Jun 2026 on public AIS.
What is MADISON R's MMSI?
MADISON R's MMSI is 367790610. Call sign WDJ5721. IMO 5126615.
How big is MADISON R?
MADISON R is about 34 m long, 9 m on the beam.
Is MADISON R on the Master's Mate Safety Initiative Network?
Not yet. If MADISON R is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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