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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
NISSEI MARU
MMSI 431004083 · Call sign JD3390
Not yet on Master's MateType
Cargo
Flag
JPNLength
170 m
Beam
26 m
Draft
7.5 m
Call sign
JD3390
IMO
9609196
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
26
NISSEI MARU is a general cargo ship wearing Japanese colours, spanning 170 metres. Her hull carries a beam measuring 26 metres and a draft measuring 7.5 metres. Find her under MMSI 431004083, call sign JD3390, IMO 9609196. Join NISSEI MARU to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on NISSEI 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
35.3909° N, 139.7002° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put NISSEI 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 NISSEI MARU and switch it all on
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About NISSEI MARU
What kind of vessel is NISSEI MARU?
NISSEI MARU is a Cargo flagged to Japan.
Where was NISSEI MARU last seen?
NISSEI MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NISSEI MARU's MMSI?
NISSEI MARU's MMSI is 431004083. Call sign JD3390. IMO 9609196.
How big is NISSEI MARU?
NISSEI MARU is about 170 m long, 26 m on the beam, drawing 7.5 m.
Is NISSEI MARU on the Master's Mate Safety Initiative Network?
Not yet. If NISSEI MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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