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Tug
KUROBE MARU
Tug · Japan · last seen 35°N 140°E · Jun 2026 · MMSI 431002971 · Call sign JD3243
Not yet on Master's MateType
Tug
Flag
JPNLength
40 m
Beam
10 m
Draft
3.6 m
Call sign
JD3243
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
57
KUROBE MARU is a Japanese 40-metre tug. Below, she has a 10-metre beam and a draft measuring 3.6 metres. On AIS she shows as MMSI 431002971, call sign JD3243. KUROBE MARU is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Live AIS position · Jun 15, 2026 23:10 UTC
Position
35.4600° N, 139.6936° E
Status
Under way (engine)
Speed
0.0 kn
Course
238°
Destination
>JP YOK
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Joining the Safety Initiative Network doesn't just put KUROBE 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.
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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 KUROBE MARU
What kind of vessel is KUROBE MARU?
KUROBE MARU is a Tug flagged to Japan.
Where was KUROBE MARU last seen?
KUROBE MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KUROBE MARU's MMSI?
KUROBE MARU's MMSI is 431002971. Call sign JD3243.
How big is KUROBE MARU?
KUROBE MARU is about 40 m long, 10 m on the beam, drawing 3.6 m.
Is KUROBE MARU on the Master's Mate Safety Initiative Network?
Not yet. If KUROBE MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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