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
23 BU GWANG
MMSI 440507780 · Call sign 230014
Not yet on Master's MateType
Tanker
Flag
KORBeam
48 m
Draft
3.9 m
Call sign
230014
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
27
23 BU GWANG is a tanker sailing under the South Korean flag. 23 BU GWANG has a 48 m beam and a 3.9 m draft. Officially she's MMSI 440507780, call sign 230014. Bring 23 BU GWANG aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on 23 BU GWANG, 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 8, 2026 22:24 UTC
Position
34.9645° N, 128.8852° E
Status
Under way (engine)
Speed
9.0 kn
Course
244°
Destination
BUSAN
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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Joining the Safety Initiative Network doesn't just put 23 BU GWANG 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 23 BU GWANG and switch it all on
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About 23 BU GWANG
What kind of vessel is 23 BU GWANG?
23 BU GWANG is a Tanker flagged to South Korea.
Where was 23 BU GWANG last seen?
23 BU GWANG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 23 BU GWANG's MMSI?
23 BU GWANG's MMSI is 440507780. Call sign 230014.
Is 23 BU GWANG on the Master's Mate Safety Initiative Network?
Not yet. If 23 BU GWANG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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