MMSI 440132580 · Call sign 967744
Not yet on Master's MateNO.307 DAE RYONG, a harbour tug on the South Korea registry, measures 30 metres on deck. Her hull carries a beam of 8 m. On AIS she appears as MMSI 440132580, call sign 967744, IMO 9144366. NO.307 DAE RYONG can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put NO.307 DAE RYONG on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.