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
ASUNG
MMSI 440409260 · Call sign 040484
Not yet on Master's MateType
Tanker
Flag
KORLength
33 m
Beam
7 m
Draft
3 m
Call sign
040484
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
ASUNG, a South Korean tank ship, measures 33 metres on deck. ASUNG has 7 metres in the beam and a 3 m draft. Her papers read MMSI 440409260, call sign 040484. Sign ASUNG up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on ASUNG, 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
Last known position · Jun 4, 2026
Position
35.1210° N, 129.0493° E
Transiting the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ASUNG 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 ASUNG and switch it all on
Free to join · nothing to install to start · cancel anytime
About ASUNG
What kind of vessel is ASUNG?
ASUNG is a Tanker flagged to South Korea.
Where was ASUNG last seen?
ASUNG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ASUNG's MMSI?
ASUNG's MMSI is 440409260. Call sign 040484.
How big is ASUNG?
ASUNG is about 33 m long, 7 m on the beam, drawing 3 m.
Is ASUNG on the Master's Mate Safety Initiative Network?
Not yet. If ASUNG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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