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

KINRYUMARU

last seen 35°N 140°E · Jun 2026 · MMSI 431000365 · Call sign JD2539

Not yet on Master's Mate

Length

75 m

Beam

12 m

Draft

4.3 m

Call sign

JD2539

IMO

8736796

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

KINRYUMARU is a 75-metre boat. Below, she has a beam measuring 12 metres and a draft measuring 4.3 metres. She's on record as MMSI 431000365, call sign JD2539, IMO 8736796. KINRYUMARU can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

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Live AIS position · Jun 15, 2026 20:08 UTC

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Position

35.4735° N, 139.8715° E

Status

Under way (engine)

Speed

10.0 kn

Course

64°

Destination

JP ANE OFF

ETA

06-16 04:30 UTC

Crossing the Sea of Japan? You're never out there alone.

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Joining the Safety Initiative Network doesn't just put KINRYUMARU 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 KINRYUMARU

What kind of vessel is KINRYUMARU?

KINRYUMARU is a vessel.

Where was KINRYUMARU last seen?

KINRYUMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.

What is KINRYUMARU's MMSI?

KINRYUMARU's MMSI is 431000365. Call sign JD2539. IMO 8736796.

How big is KINRYUMARU?

KINRYUMARU is about 75 m long, 12 m on the beam, drawing 4.3 m.

Is KINRYUMARU on the Master's Mate Safety Initiative Network?

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