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.

Tanker

1 JIN YOUNG HO

MMSI 440108750 · Call sign 315

Not yet on Master's Mate

Type

Tanker

Flag

KOR

Call sign

315

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

1 JIN YOUNG HO is a tank ship, under the South Korean flag. She's listed under MMSI 440108750, call sign 315. 1 JIN YOUNG HO can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for commercial operators

Eyes on 1 JIN YOUNG HO, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

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

Last known position · Jun 3, 2026

Track 1 JIN YOUNG HO live — sign up free →

Position

35.1247° N, 129.0544° E

Transiting the Sea of Japan? 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 · for commercial operators

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

Joining the Safety Initiative Network doesn't just put 1 JIN YOUNG HO on the map. It hands you the full bridge:

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

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.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim 1 JIN YOUNG HO and switch it all on

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About 1 JIN YOUNG HO

What kind of vessel is 1 JIN YOUNG HO?

1 JIN YOUNG HO is a Tanker flagged to South Korea.

Where was 1 JIN YOUNG HO last seen?

1 JIN YOUNG HO was last reported in the Sea of Japan in Jun 2026 on public AIS.

What is 1 JIN YOUNG HO's MMSI?

1 JIN YOUNG HO's MMSI is 440108750. Call sign 315.

Is 1 JIN YOUNG HO on the Master's Mate Safety Initiative Network?

Not yet. If 1 JIN YOUNG HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).