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
HOUEI MARU NO.15
MMSI 431024381 · Call sign JD5395
Not yet on Master's MateType
Tanker
Flag
JPNLength
64 m
Beam
10 m
Draft
4 m
Call sign
JD5395
IMO
1040899
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
HOUEI MARU NO.15 is a Japanese tank vessel — 64 metres overall. Her hull carries a 10-metre beam and a draft measuring 4 metres. Find her under MMSI 431024381, call sign JD5395, IMO 1040899. Add HOUEI MARU NO.15 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 HOUEI MARU NO.15, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Last known position · Jun 4, 2026
Position
34.1528° N, 135.1574° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put HOUEI MARU NO.15 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 HOUEI MARU NO.15 and switch it all on
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About HOUEI MARU NO.15
What kind of vessel is HOUEI MARU NO.15?
HOUEI MARU NO.15 is a Tanker flagged to Japan.
Where was HOUEI MARU NO.15 last seen?
HOUEI MARU NO.15 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HOUEI MARU NO.15's MMSI?
HOUEI MARU NO.15's MMSI is 431024381. Call sign JD5395. IMO 1040899.
How big is HOUEI MARU NO.15?
HOUEI MARU NO.15 is about 64 m long, 10 m on the beam, drawing 4 m.
Is HOUEI MARU NO.15 on the Master's Mate Safety Initiative Network?
Not yet. If HOUEI MARU NO.15 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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