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.
Cargo
ULSAN
MMSI 636022118 · Call sign 5LHG7
Not yet on Master's MateType
Cargo
Flag
LBRLength
257 m
Beam
32 m
Draft
11.5 m
Call sign
5LHG7
IMO
9243306
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
22
ULSAN, a merchant ship hailing from Liberia, measures 257 metres on deck. She has a beam of 32 m and a draft measuring 11.5 metres. On AIS she appears as MMSI 636022118, call sign 5LHG7, IMO 9243306. Claim ULSAN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on ULSAN, 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 2, 2026
Position
1.2096° N, 103.5362° E
Transiting the Strait of Malacca? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ULSAN 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 ULSAN and switch it all on
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About ULSAN
What kind of vessel is ULSAN?
ULSAN is a Cargo flagged to Liberia.
Where was ULSAN last seen?
ULSAN was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is ULSAN's MMSI?
ULSAN's MMSI is 636022118. Call sign 5LHG7. IMO 9243306.
How big is ULSAN?
ULSAN is about 257 m long, 32 m on the beam, drawing 11.5 m.
Is ULSAN on the Master's Mate Safety Initiative Network?
Not yet. If ULSAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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