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
GT DEMETER
MMSI 431688000 · Call sign 7KJL
Not yet on Master's MateType
Cargo
Flag
JPNLength
199 m
Beam
32 m
Draft
7.8 m
Call sign
7KJL
IMO
9902093
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
58
GT DEMETER is a Japanese merchant ship — 199 metres overall. Below, she has a beam of 32 m and a draft measuring 7.8 metres. Find her under MMSI 431688000, call sign 7KJL, IMO 9902093. GT DEMETER is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on GT DEMETER, 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 3, 2026
Position
24.6312° N, 120.3254° E
Transiting the East China Sea? 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 GT DEMETER 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 GT DEMETER and switch it all on
Free to join · nothing to install to start · cancel anytime
About GT DEMETER
What kind of vessel is GT DEMETER?
GT DEMETER is a Cargo flagged to Japan.
Where was GT DEMETER last seen?
GT DEMETER was last reported in the East China Sea in Jun 2026 on public AIS.
What is GT DEMETER's MMSI?
GT DEMETER's MMSI is 431688000. Call sign 7KJL. IMO 9902093.
How big is GT DEMETER?
GT DEMETER is about 199 m long, 32 m on the beam, drawing 7.8 m.
Is GT DEMETER on the Master's Mate Safety Initiative Network?
Not yet. If GT DEMETER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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