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.
Tanker
JUNG WOO 1
MMSI 440135930 · Call sign 975783
Not yet on Master's MateType
Tanker
Flag
KORDraft
3 m
Call sign
975783
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
26
On the South Korean registry, JUNG WOO 1 is a tank vessel. Her hull carries a draft of 3 m. On the registers she's MMSI 440135930, call sign 975783. Claim JUNG WOO 1 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on JUNG WOO 1, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 23:51 UTC
Position
35.1089° N, 129.0924° E
Status
Under way (engine)
Speed
0.0 kn
Course
294°
Destination
BUSAN
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put JUNG WOO 1 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 JUNG WOO 1 and switch it all on
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About JUNG WOO 1
What kind of vessel is JUNG WOO 1?
JUNG WOO 1 is a Tanker flagged to South Korea.
Where was JUNG WOO 1 last seen?
JUNG WOO 1 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is JUNG WOO 1's MMSI?
JUNG WOO 1's MMSI is 440135930. Call sign 975783.
Is JUNG WOO 1 on the Master's Mate Safety Initiative Network?
Not yet. If JUNG WOO 1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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