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
KIRISHIMA MARU
MMSI 431017908 · Call sign JD5024
Not yet on Master's MateType
Tanker
Flag
JPNLength
104 m
Beam
16 m
Draft
5.4 m
Call sign
JD5024
IMO
9930818
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
KIRISHIMA MARU, a Japanese tanker, measures 104 metres on deck. She carries a beam measuring 16 metres and a 5.4-metre draft. She's on record as MMSI 431017908, call sign JD5024, IMO 9930818. Add KIRISHIMA MARU to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on KIRISHIMA MARU, 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 3, 2026
Position
35.5202° N, 139.7663° E
Transiting the Sea of Japan? You're never out there alone.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KIRISHIMA MARU 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 KIRISHIMA MARU and switch it all on
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About KIRISHIMA MARU
What kind of vessel is KIRISHIMA MARU?
KIRISHIMA MARU is a Tanker flagged to Japan.
Where was KIRISHIMA MARU last seen?
KIRISHIMA MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KIRISHIMA MARU's MMSI?
KIRISHIMA MARU's MMSI is 431017908. Call sign JD5024. IMO 9930818.
How big is KIRISHIMA MARU?
KIRISHIMA MARU is about 104 m long, 16 m on the beam, drawing 5.4 m.
Is KIRISHIMA MARU on the Master's Mate Safety Initiative Network?
Not yet. If KIRISHIMA MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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