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
TUG MIZUKI
MMSI 431000368 · Call sign JD2133
Not yet on Master's MateType
Tug
Flag
JPNLength
32 m
Beam
9 m
Draft
3.2 m
Call sign
JD2133
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
On the Japanese registry, TUG MIZUKI is a 32-metre tugboat. She's built with 9 metres in the beam and a 3.2 m draft. Officially she's MMSI 431000368, call sign JD2133. Join TUG MIZUKI to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like TUG MIZUKI.
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
36.4294° N, 140.6154° 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 TUG MIZUKI 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 TUG MIZUKI and switch it all on
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About TUG MIZUKI
What kind of vessel is TUG MIZUKI?
TUG MIZUKI is a Tug flagged to Japan.
Where was TUG MIZUKI last seen?
TUG MIZUKI was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TUG MIZUKI's MMSI?
TUG MIZUKI's MMSI is 431000368. Call sign JD2133.
How big is TUG MIZUKI?
TUG MIZUKI is about 32 m long, 9 m on the beam, drawing 3.2 m.
Is TUG MIZUKI on the Master's Mate Safety Initiative Network?
Not yet. If TUG MIZUKI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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