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

Kakuyu Maru

MMSI 431001454

Not yet on Master's Mate

Flag

JPN

Length

105 m

IMO

9526617

AIS reports

Kakuyu Maru, a Japanese boat, measures 105 metres on deck. She's listed under MMSI 431001454, IMO 9526617. Kakuyu Maru belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Wherever Kakuyu Maru roams, 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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Joining the Safety Initiative Network doesn't just put Kakuyu Maru 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.

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About Kakuyu Maru

What kind of vessel is Kakuyu Maru?

Kakuyu Maru is a vessel flagged to Japan.

What is Kakuyu Maru's MMSI?

Kakuyu Maru's MMSI is 431001454. IMO 9526617.

How big is Kakuyu Maru?

Kakuyu Maru is about 105 m long.

Is Kakuyu Maru on the Master's Mate Safety Initiative Network?

Not yet. If Kakuyu Maru is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).