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

305 ORYONG

South Korea · last seen 35°N 129°E · Jun 2026 · MMSI 440656000 · Call sign HLVJ

Not yet on Master's Mate

Flag

KOR

Length

53 m

Beam

9 m

Call sign

HLVJ

IMO

8703878

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

305 ORYONG, a South Korean craft, measures 53 metres on deck. She's built with 9 metres in the beam. She's listed under MMSI 440656000, call sign HLVJ, IMO 8703878. 305 ORYONG belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Live AIS position · Jun 15, 2026 18:07 UTC

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Position

35.0962° N, 129.0474° E

Speed

0.0 kn

Course

237°

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

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Joining the Safety Initiative Network doesn't just put 305 ORYONG 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 305 ORYONG

What kind of vessel is 305 ORYONG?

305 ORYONG is a vessel flagged to South Korea.

Where was 305 ORYONG last seen?

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

What is 305 ORYONG's MMSI?

305 ORYONG's MMSI is 440656000. Call sign HLVJ. IMO 8703878.

How big is 305 ORYONG?

305 ORYONG is about 53 m long, 9 m on the beam.

Is 305 ORYONG on the Master's Mate Safety Initiative Network?

Not yet. If 305 ORYONG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).