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.
Cargo
POSEIDON HIGHWAY
MMSI 431497000 · Call sign 7KQM
Not yet on Master's MateType
Cargo
Flag
JPNLength
199 m
Beam
38 m
Draft
9.1 m
Call sign
7KQM
IMO
9991185
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
POSEIDON HIGHWAY, a Japanese cargo ship, measures 199 metres on deck. She carries a beam measuring 38 metres and a 9.1 m draft. Look for MMSI 431497000, call sign 7KQM, IMO 9991185. Add POSEIDON HIGHWAY to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on POSEIDON HIGHWAY, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
37.2461° N, 122.6604° W
Wherever POSEIDON HIGHWAY 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put POSEIDON HIGHWAY on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 POSEIDON HIGHWAY and switch it all on
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About POSEIDON HIGHWAY
What kind of vessel is POSEIDON HIGHWAY?
POSEIDON HIGHWAY is a Cargo flagged to Japan.
Where was POSEIDON HIGHWAY last seen?
POSEIDON HIGHWAY was last reported in around 37°N 123°W in Jun 2026 on public AIS.
What is POSEIDON HIGHWAY's MMSI?
POSEIDON HIGHWAY's MMSI is 431497000. Call sign 7KQM. IMO 9991185.
How big is POSEIDON HIGHWAY?
POSEIDON HIGHWAY is about 199 m long, 38 m on the beam, drawing 9.1 m.
Is POSEIDON HIGHWAY on the Master's Mate Safety Initiative Network?
Not yet. If POSEIDON HIGHWAY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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