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
SHIN MEI MARU
MMSI 431100922 · Call sign JG5617
Not yet on Master's MateType
Cargo
Flag
JPNLength
160 m
Beam
26 m
Draft
6.6 m
Call sign
JG5617
IMO
9234185
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
A Japanese merchant ship, SHIN MEI MARU measures 160 metres. She has a 26 m beam and a draft measuring 6.6 metres. Find her under MMSI 431100922, call sign JG5617, IMO 9234185. Give SHIN MEI MARU the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on SHIN MEI MARU, 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
35.4541° N, 139.6751° E
Transiting the Sea of Japan? 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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Joining the Safety Initiative Network doesn't just put SHIN MEI MARU 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 SHIN MEI MARU and switch it all on
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About SHIN MEI MARU
What kind of vessel is SHIN MEI MARU?
SHIN MEI MARU is a Cargo flagged to Japan.
Where was SHIN MEI MARU last seen?
SHIN MEI MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SHIN MEI MARU's MMSI?
SHIN MEI MARU's MMSI is 431100922. Call sign JG5617. IMO 9234185.
How big is SHIN MEI MARU?
SHIN MEI MARU is about 160 m long, 26 m on the beam, drawing 6.6 m.
Is SHIN MEI MARU on the Master's Mate Safety Initiative Network?
Not yet. If SHIN MEI MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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