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
113YEON CHANG
MMSI 440172820 · Call sign 623
Not yet on Master's MateType
Fishing
Flag
KORCall sign
623
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
Hailing from South Korea, 113YEON CHANG is a commercial trawler. On AIS she shows as MMSI 440172820, call sign 623. Bring 113YEON CHANG aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working captains
Know where the fleet is. Get 113YEON CHANG 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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Last known position · Jun 2, 2026
Position
34.8479° N, 128.8257° E
Fishing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put 113YEON CHANG 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 113YEON CHANG and switch it all on
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About 113YEON CHANG
What kind of vessel is 113YEON CHANG?
113YEON CHANG is a Fishing flagged to South Korea.
Where was 113YEON CHANG last seen?
113YEON CHANG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 113YEON CHANG's MMSI?
113YEON CHANG's MMSI is 440172820. Call sign 623.
Is 113YEON CHANG on the Master's Mate Safety Initiative Network?
Not yet. If 113YEON CHANG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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