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.
Port Tender
DAE SUNG 5003
Port Tender · last seen 35°N 129°E · Jun 2026 · MMSI 440100053 · Call sign 353
Not yet on Master's MateType
Port Tender
Call sign
353
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
DAE SUNG 5003 is a working vessel. On AIS she appears as MMSI 440100053, call sign 353. It's free to add DAE SUNG 5003 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 boats
Built for boats that work — like DAE SUNG 5003.
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 16, 2026 11:29 UTC
Position
35.1091° N, 129.1759° E
Speed
7.3 kn
Course
37°
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put DAE SUNG 5003 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 DAE SUNG 5003 and switch it all on
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About DAE SUNG 5003
What kind of vessel is DAE SUNG 5003?
DAE SUNG 5003 is a Port Tender.
Where was DAE SUNG 5003 last seen?
DAE SUNG 5003 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is DAE SUNG 5003's MMSI?
DAE SUNG 5003's MMSI is 440100053. Call sign 353.
Is DAE SUNG 5003 on the Master's Mate Safety Initiative Network?
Not yet. If DAE SUNG 5003 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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