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.
Tug
NOJIMA
MMSI 431009469 · Call sign JD4150
Not yet on Master's MateType
Tug
Flag
JPNLength
35 m
Beam
11 m
Draft
3.4 m
Call sign
JD4150
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
39
NOJIMA flies the Japanese flag — a 35-metre working tug. She's built with a 11 m beam and a 3.4-metre draft. Find her under MMSI 431009469, call sign JD4150. There's a place for NOJIMA 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 NOJIMA.
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 3, 2026
Position
35.4706° N, 139.6979° E
Working 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NOJIMA 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 NOJIMA and switch it all on
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About NOJIMA
What kind of vessel is NOJIMA?
NOJIMA is a Tug flagged to Japan.
Where was NOJIMA last seen?
NOJIMA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NOJIMA's MMSI?
NOJIMA's MMSI is 431009469. Call sign JD4150.
How big is NOJIMA?
NOJIMA is about 35 m long, 11 m on the beam, drawing 3.4 m.
Is NOJIMA on the Master's Mate Safety Initiative Network?
Not yet. If NOJIMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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