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
HYUN DAI 500
MMSI 440125870 · Call sign DSDW3
Not yet on Master's MateType
Tug
Flag
KORLength
25 m
Beam
5 m
Draft
3 m
Call sign
DSDW3
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
15
HYUN DAI 500 is a South Korean tugboat — 25 metres overall. HYUN DAI 500 has a 5-metre beam and a 3 m draft. Find her under MMSI 440125870, call sign DSDW3. There's a place for HYUN DAI 500 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like HYUN DAI 500.
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
Last known position · Jun 3, 2026
Position
35.0567° N, 129.0705° 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 HYUN DAI 500 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 HYUN DAI 500 and switch it all on
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About HYUN DAI 500
What kind of vessel is HYUN DAI 500?
HYUN DAI 500 is a Tug flagged to South Korea.
Where was HYUN DAI 500 last seen?
HYUN DAI 500 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HYUN DAI 500's MMSI?
HYUN DAI 500's MMSI is 440125870. Call sign DSDW3.
How big is HYUN DAI 500?
HYUN DAI 500 is about 25 m long, 5 m on the beam, drawing 3 m.
Is HYUN DAI 500 on the Master's Mate Safety Initiative Network?
Not yet. If HYUN DAI 500 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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