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
53 CHANG YOUNG
MMSI 440312340 · Call sign 960908
Not yet on Master's MateType
Tug
Flag
KORLength
22 m
Beam
6 m
Call sign
960908
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
On the South Korean registry, 53 CHANG YOUNG is a 22-metre tugboat. She carries a 6 m beam. Officially she's MMSI 440312340, call sign 960908. Join 53 CHANG YOUNG to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Built for boats that work — like 53 CHANG YOUNG.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Last known position · Jun 3, 2026
Position
35.0190° N, 128.9889° E
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put 53 CHANG YOUNG 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.
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About 53 CHANG YOUNG
What kind of vessel is 53 CHANG YOUNG?
53 CHANG YOUNG is a Tug flagged to South Korea.
Where was 53 CHANG YOUNG last seen?
53 CHANG YOUNG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 53 CHANG YOUNG's MMSI?
53 CHANG YOUNG's MMSI is 440312340. Call sign 960908.
How big is 53 CHANG YOUNG?
53 CHANG YOUNG is about 22 m long, 6 m on the beam.
Is 53 CHANG YOUNG on the Master's Mate Safety Initiative Network?
Not yet. If 53 CHANG YOUNG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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