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Tug
5 YONG SEONG
MMSI 440184720 · Call sign 345YONG
Not yet on Master's MateType
Tug
Flag
KORLength
37 m
Beam
10 m
Draft
3.7 m
Call sign
345YONG
IMO
9819363
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
32
5 YONG SEONG, a South Korean tug, measures 37 metres on deck. Below, she has a beam of 10 m and a draft measuring 3.7 metres. Find her under MMSI 440184720, call sign 345YONG, IMO 9819363. Working vessels like 5 YONG SEONG are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
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Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 04:05 UTC
Position
35.0175° N, 128.9568° E
Status
Under way (engine)
Speed
13.1 kn
Course
256°
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Joining the Safety Initiative Network doesn't just put 5 YONG SEONG on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
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Onboard Cameras
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About 5 YONG SEONG
What kind of vessel is 5 YONG SEONG?
5 YONG SEONG is a Tug flagged to South Korea.
Where was 5 YONG SEONG last seen?
5 YONG SEONG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 5 YONG SEONG's MMSI?
5 YONG SEONG's MMSI is 440184720. Call sign 345YONG. IMO 9819363.
How big is 5 YONG SEONG?
5 YONG SEONG is about 37 m long, 10 m on the beam, drawing 3.7 m.
Is 5 YONG SEONG on the Master's Mate Safety Initiative Network?
Not yet. If 5 YONG SEONG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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