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.
Fishing
YEON CHANG HO
MMSI 440047280 · Call sign 640YECH
Not yet on Master's MateType
Fishing
Flag
KORLength
21 m
Beam
6 m
Draft
1.9 m
Call sign
640YECH
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
41
YEON CHANG HO is a South Korean 21-metre fishing vessel. She's built with a 6-metre beam and a 1.9-metre draft. She broadcasts as MMSI 440047280, call sign 640YECH. It's free to add YEON CHANG HO to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working captains
Know where the fleet is. Get YEON CHANG HO home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
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Live AIS position · Jun 9, 2026 23:32 UTC
Position
35.0915° N, 129.7063° E
Status
Under way (engine)
Speed
0.2 kn
Course
139°
Fishing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put YEON CHANG HO 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 YEON CHANG HO and switch it all on
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About YEON CHANG HO
What kind of vessel is YEON CHANG HO?
YEON CHANG HO is a Fishing flagged to South Korea.
Where was YEON CHANG HO last seen?
YEON CHANG HO was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is YEON CHANG HO's MMSI?
YEON CHANG HO's MMSI is 440047280. Call sign 640YECH.
How big is YEON CHANG HO?
YEON CHANG HO is about 21 m long, 6 m on the beam, drawing 1.9 m.
Is YEON CHANG HO on the Master's Mate Safety Initiative Network?
Not yet. If YEON CHANG HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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