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
ULSAN6003
MMSI 440200110 · Call sign 1257
Not yet on Master's MateFlag
KORLength
64 m
Beam
18 m
Call sign
1257
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
27
ULSAN6003, a craft sailing under the South Korean flag, measures 64 metres on deck. Below, she has a 18 m beam. She broadcasts as MMSI 440200110, call sign 1257. Sign ULSAN6003 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Last known position · Jun 3, 2026
Position
35.1541° N, 129.2205° E
Crossing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ULSAN6003 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 ULSAN6003
What kind of vessel is ULSAN6003?
ULSAN6003 is a vessel flagged to South Korea.
Where was ULSAN6003 last seen?
ULSAN6003 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ULSAN6003's MMSI?
ULSAN6003's MMSI is 440200110. Call sign 1257.
How big is ULSAN6003?
ULSAN6003 is about 64 m long, 18 m on the beam.
Is ULSAN6003 on the Master's Mate Safety Initiative Network?
Not yet. If ULSAN6003 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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