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.
Other
YS39
MMSI 629009328 · Call sign C5J340
Not yet on Master's MateType
Other
Flag
GMBLength
65 m
Beam
14 m
Draft
4.8 m
Call sign
C5J340
IMO
1112094
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Gambia, YS39 is a 65-metre boat. She's built with a 14-metre beam and a 4.8 m draft. She broadcasts as MMSI 629009328, call sign C5J340, IMO 1112094. YS39 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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Is YS39 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Live AIS position · Jun 9, 2026 03:54 UTC
Position
25.1612° N, 121.3624° E
Status
At anchor
Speed
0.2 kn
Course
104°
Crossing the East China Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put YS39 on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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About YS39
What kind of vessel is YS39?
YS39 is a Other flagged to Gambia.
Where was YS39 last seen?
YS39 was last reported in the East China Sea in Jun 2026 on public AIS.
What is YS39's MMSI?
YS39's MMSI is 629009328. Call sign C5J340. IMO 1112094.
How big is YS39?
YS39 is about 65 m long, 14 m on the beam, drawing 4.8 m.
Is YS39 on the Master's Mate Safety Initiative Network?
Not yet. If YS39 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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