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
KAIO MARU
Tug · Japan · last seen 36°N 140°E · Jun 2026 · MMSI 431001455 · Call sign JD2067
Not yet on Master's MateType
Tug
Flag
JPNLength
36 m
Beam
12 m
Draft
3.2 m
Call sign
JD2067
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
17
KAIO MARU is a Japanese tug — 36 metres overall. Below, she has a 12 m beam and a draft measuring 3.2 metres. Find her under MMSI 431001455, call sign JD2067. KAIO MARU is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Last known position · Jun 15, 2026
Position
35.6367° N, 139.7584° E
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Joining the Safety Initiative Network doesn't just put KAIO 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
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Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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About KAIO MARU
What kind of vessel is KAIO MARU?
KAIO MARU is a Tug flagged to Japan.
Where was KAIO MARU last seen?
KAIO MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KAIO MARU's MMSI?
KAIO MARU's MMSI is 431001455. Call sign JD2067.
How big is KAIO MARU?
KAIO MARU is about 36 m long, 12 m on the beam, drawing 3.2 m.
Is KAIO MARU on the Master's Mate Safety Initiative Network?
Not yet. If KAIO MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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