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.
Vessel
HAMILTON
MMSI 367456680 · Call sign WDF4865
Not yet on Master's MateFlag
USALength
349 m
Beam
33 m
Draft
2.8 m
Call sign
WDF4865
IMO
623146
Official No.
623146
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
44
HAMILTON is an American 349-metre boat. She has a beam measuring 33 metres and a draft measuring 2.8 metres. She broadcasts as MMSI 367456680, call sign WDF4865. HAMILTON is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is HAMILTON 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
39.0637° N, 90.5812° W
Wherever HAMILTON 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 HAMILTON 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 HAMILTON and switch it all on
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About HAMILTON
What kind of vessel is HAMILTON?
HAMILTON is a vessel flagged to United States of America.
Where was HAMILTON last seen?
HAMILTON was last reported in around 39°N 91°W in Jun 2026 on public AIS.
What is HAMILTON's MMSI?
HAMILTON's MMSI is 367456680. Call sign WDF4865. IMO 623146.
How big is HAMILTON?
HAMILTON is about 349 m long, 33 m on the beam, drawing 2.8 m.
Is HAMILTON on the Master's Mate Safety Initiative Network?
Not yet. If HAMILTON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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