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.
Tug
YONG SEOK 5HO
Tug · last seen 37°N 127°E · Jun 2026 · MMSI 440200167 · Call sign 240
Not yet on Master's MateType
Tug
Call sign
240
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
YONG SEOK 5HO is a working tug. Look for MMSI 440200167, call sign 240. YONG SEOK 5HO can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like YONG SEOK 5HO.
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
Live AIS position · Jun 15, 2026 13:25 UTC
Position
37.4507° N, 126.6098° E
Speed
0.0 kn
Course
0°
Working the Yellow Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put YONG SEOK 5HO 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
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 YONG SEOK 5HO and switch it all on
Free to join · nothing to install to start · cancel anytime
About YONG SEOK 5HO
What kind of vessel is YONG SEOK 5HO?
YONG SEOK 5HO is a Tug.
Where was YONG SEOK 5HO last seen?
YONG SEOK 5HO was last reported in the Yellow Sea in Jun 2026 on public AIS.
What is YONG SEOK 5HO's MMSI?
YONG SEOK 5HO's MMSI is 440200167. Call sign 240.
Is YONG SEOK 5HO on the Master's Mate Safety Initiative Network?
Not yet. If YONG SEOK 5HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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