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
OHIO
MMSI 368243490 · Call sign WDM8463
Not yet on Master's MateType
Towing
Flag
USALength
52 m
Beam
14 m
Draft
3.4 m
Call sign
WDM8463
IMO
100529829
Official No.
529829
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
OHIO is an American workboat — 52 metres overall. She carries a 14 m beam and a 3.4 m draft. She's listed under MMSI 368243490, call sign WDM8463. There's a place for OHIO on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like OHIO.
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
Last known position · Jun 4, 2026
Position
37.8533° N, 87.6848° W
Wherever OHIO 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put OHIO 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 OHIO and switch it all on
Free to join · nothing to install to start · cancel anytime
About OHIO
What kind of vessel is OHIO?
OHIO is a Towing flagged to United States of America.
Where was OHIO last seen?
OHIO was last reported in around 38°N 88°W in Jun 2026 on public AIS.
What is OHIO's MMSI?
OHIO's MMSI is 368243490. Call sign WDM8463. IMO 100529829.
How big is OHIO?
OHIO is about 52 m long, 14 m on the beam, drawing 3.4 m.
Is OHIO on the Master's Mate Safety Initiative Network?
Not yet. If OHIO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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