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

Shintsugaru Maru

MMSI 431401957

Not yet on Master's Mate

Flag

JPN

Length

88 m

IMO

8982670

AIS reports

Out of Japan, Shintsugaru Maru is an 88-metre craft. Her papers read MMSI 431401957, IMO 8982670. Join Shintsugaru Maru to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

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Is Shintsugaru Maru 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.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Shintsugaru 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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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Shintsugaru 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.

Claim Shintsugaru Maru and switch it all on

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About Shintsugaru Maru

What kind of vessel is Shintsugaru Maru?

Shintsugaru Maru is a vessel flagged to Japan.

What is Shintsugaru Maru's MMSI?

Shintsugaru Maru's MMSI is 431401957. IMO 8982670.

How big is Shintsugaru Maru?

Shintsugaru Maru is about 88 m long.

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

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