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.
Vessel
KYOKUKOUMARU
Japan · last seen 34°N 132°E · Jun 2026 · MMSI 431000774
Not yet on Master's MateFlag
JPNLength
104 m
IMO
9527257
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
10
Out of Japan, KYOKUKOUMARU is a 104-metre vessel. Look for MMSI 431000774, IMO 9527257. There's a place for KYOKUKOUMARU on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card
Is KYOKUKOUMARU your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 16, 2026 00:45 UTC
Position
33.8716° N, 131.7903° E
Status
Under way (engine)
Speed
13.8 kn
Course
325°
Wherever KYOKUKOUMARU roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KYOKUKOUMARU on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim KYOKUKOUMARU and switch it all on
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About KYOKUKOUMARU
What kind of vessel is KYOKUKOUMARU?
KYOKUKOUMARU is a vessel flagged to Japan.
Where was KYOKUKOUMARU last seen?
KYOKUKOUMARU was last reported in around 34°N 132°E in Jun 2026 on public AIS.
What is KYOKUKOUMARU's MMSI?
KYOKUKOUMARU's MMSI is 431000774. IMO 9527257.
How big is KYOKUKOUMARU?
KYOKUKOUMARU is about 104 m long.
Is KYOKUKOUMARU on the Master's Mate Safety Initiative Network?
Not yet. If KYOKUKOUMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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