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

Shin Sen Maru

MMSI 431015592

Not yet on Master's Mate

Flag

JPN

Length

174 m

IMO

9866500

AIS reports

Shin Sen Maru, a Japanese craft, measures 174 metres on deck. Look for MMSI 431015592, IMO 9866500. Give Shin Sen Maru the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is Shin Sen 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 Shin Sen 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 Shin Sen 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 Shin Sen Maru and switch it all on

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About Shin Sen Maru

What kind of vessel is Shin Sen Maru?

Shin Sen Maru is a vessel flagged to Japan.

What is Shin Sen Maru's MMSI?

Shin Sen Maru's MMSI is 431015592. IMO 9866500.

How big is Shin Sen Maru?

Shin Sen Maru is about 174 m long.

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

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