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
WILLIAM O
MMSI 368205350 · Call sign WDM4325
Not yet on Master's MateType
Towing
Flag
USALength
19 m
Beam
8 m
Draft
2.5 m
Call sign
WDM4325
Official No.
1315975
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
43
Out of the United States, WILLIAM O is a 19-metre working vessel. She has a beam measuring 8 metres and a draft measuring 2.5 metres. Her registration reads MMSI 368205350, call sign WDM4325. Working vessels like WILLIAM O are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like WILLIAM O.
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
Live AIS position · Jun 9, 2026 11:52 UTC
Position
29.7520° N, 91.2371° W
Status
Under way (engine)
Speed
0.4 kn
Course
279°
Destination
US^0E3B>10KQ
Working the Gulf of Mexico? 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 WILLIAM O 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 WILLIAM O and switch it all on
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About WILLIAM O
What kind of vessel is WILLIAM O?
WILLIAM O is a Towing flagged to United States of America.
Where was WILLIAM O last seen?
WILLIAM O was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is WILLIAM O's MMSI?
WILLIAM O's MMSI is 368205350. Call sign WDM4325.
How big is WILLIAM O?
WILLIAM O is about 19 m long, 8 m on the beam, drawing 2.5 m.
Is WILLIAM O on the Master's Mate Safety Initiative Network?
Not yet. If WILLIAM O is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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