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.
Tanker
KAKUEIMARU
MMSI 431027779 · Call sign JD5555
Not yet on Master's MateType
Tanker
Flag
JPNLength
105 m
Beam
16 m
Draft
5.6 m
Call sign
JD5555
IMO
1045411
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
54
KAKUEIMARU is a Japanese tank ship, 105 metres in length. She carries a 16-metre beam and a 5.6 m draft. On AIS she shows as MMSI 431027779, call sign JD5555, IMO 1045411. It's free to add KAKUEIMARU to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on KAKUEIMARU, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
38.3341° N, 141.3712° E
Transiting 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 KAKUEIMARU on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 KAKUEIMARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About KAKUEIMARU
What kind of vessel is KAKUEIMARU?
KAKUEIMARU is a Tanker flagged to Japan.
Where was KAKUEIMARU last seen?
KAKUEIMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KAKUEIMARU's MMSI?
KAKUEIMARU's MMSI is 431027779. Call sign JD5555. IMO 1045411.
How big is KAKUEIMARU?
KAKUEIMARU is about 105 m long, 16 m on the beam, drawing 5.6 m.
Is KAKUEIMARU on the Master's Mate Safety Initiative Network?
Not yet. If KAKUEIMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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