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
DONGJIN ACE
MMSI 440154950 · Call sign 130001
Not yet on Master's MateType
Tanker
Flag
KORLength
15 m
Beam
8 m
Draft
3.6 m
Call sign
130001
IMO
9680736
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
73
DONGJIN ACE is a South Korean 15-metre tank vessel. She's built with a 8-metre beam and a 3.6 m draft. On the registers she's MMSI 440154950, call sign 130001, IMO 9680736. There's a place for DONGJIN ACE on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on DONGJIN ACE, 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 3, 2026
Position
34.9976° N, 128.9328° 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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Joining the Safety Initiative Network doesn't just put DONGJIN ACE 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 DONGJIN ACE and switch it all on
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About DONGJIN ACE
What kind of vessel is DONGJIN ACE?
DONGJIN ACE is a Tanker flagged to South Korea.
Where was DONGJIN ACE last seen?
DONGJIN ACE was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is DONGJIN ACE's MMSI?
DONGJIN ACE's MMSI is 440154950. Call sign 130001. IMO 9680736.
How big is DONGJIN ACE?
DONGJIN ACE is about 15 m long, 8 m on the beam, drawing 3.6 m.
Is DONGJIN ACE on the Master's Mate Safety Initiative Network?
Not yet. If DONGJIN ACE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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