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
NO1 TOA MARU
MMSI 431000841 · Call sign JD2868
Not yet on Master's MateType
Tug
Flag
JPNLength
40 m
Beam
9 m
Draft
3.5 m
Call sign
JD2868
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
11
On the Japanese registry, NO1 TOA MARU is a 40-metre tug. Her hull carries 9 metres in the beam and a draft measuring 3.5 metres. Her papers read MMSI 431000841, call sign JD2868. NO1 TOA MARU can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for working boats
Built for boats that work — like NO1 TOA MARU.
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 2, 2026
Position
35.2224° N, 139.7168° E
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put NO1 TOA MARU 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 NO1 TOA MARU and switch it all on
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About NO1 TOA MARU
What kind of vessel is NO1 TOA MARU?
NO1 TOA MARU is a Tug flagged to Japan.
Where was NO1 TOA MARU last seen?
NO1 TOA MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO1 TOA MARU's MMSI?
NO1 TOA MARU's MMSI is 431000841. Call sign JD2868.
How big is NO1 TOA MARU?
NO1 TOA MARU is about 40 m long, 9 m on the beam, drawing 3.5 m.
Is NO1 TOA MARU on the Master's Mate Safety Initiative Network?
Not yet. If NO1 TOA MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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