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.
Tanker
WOO HYEON
MMSI 440053950 · Call sign 161063
Not yet on Master's MateType
Tanker
Flag
KORLength
87 m
Beam
14 m
Draft
6.1 m
Call sign
161063
IMO
9268667
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
WOO HYEON, a tank vessel flying the flag of South Korea, measures 87 metres on deck. Her hull carries a beam of 14 m and a draft measuring 6.1 metres. Find her under MMSI 440053950, call sign 161063, IMO 9268667. Bring WOO HYEON aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on WOO HYEON, 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 4, 2026
Position
35.0659° N, 129.0019° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put WOO HYEON 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 WOO HYEON and switch it all on
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About WOO HYEON
What kind of vessel is WOO HYEON?
WOO HYEON is a Tanker flagged to South Korea.
Where was WOO HYEON last seen?
WOO HYEON was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is WOO HYEON's MMSI?
WOO HYEON's MMSI is 440053950. Call sign 161063. IMO 9268667.
How big is WOO HYEON?
WOO HYEON is about 87 m long, 14 m on the beam, drawing 6.1 m.
Is WOO HYEON on the Master's Mate Safety Initiative Network?
Not yet. If WOO HYEON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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