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

Shinko Maru

MMSI 431000671

Not yet on Master's Mate

Flag

JPN

Length

54 m

IMO

9087831

AIS reports

A Japanese boat, Shinko Maru measures 54 metres. She's listed under MMSI 431000671, IMO 9087831. Shinko Maru can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card

Is Shinko 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.

Claim this boat — free →

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

Wherever Shinko 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.

Free with your claim

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

Joining the Safety Initiative Network doesn't just put Shinko 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 Shinko Maru and switch it all on

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Claim free → unlock everything

About Shinko Maru

What kind of vessel is Shinko Maru?

Shinko Maru is a vessel flagged to Japan.

What is Shinko Maru's MMSI?

Shinko Maru's MMSI is 431000671. IMO 9087831.

How big is Shinko Maru?

Shinko Maru is about 54 m long.

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

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