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.
Passenger
NO.3 DONGBAEK
MMSI 440055170 · Call sign 170038
Not yet on Master's MateType
Passenger
Flag
KORLength
26 m
Beam
6 m
Draft
2 m
Call sign
170038
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
48
NO.3 DONGBAEK is a South Korean ferry — 26 metres overall. She's built with 6 metres in the beam and a 2-metre draft. On AIS she appears as MMSI 440055170, call sign 170038. NO.3 DONGBAEK is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard NO.3 DONGBAEK safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
35.1583° N, 129.1705° E
Sailing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put NO.3 DONGBAEK on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 NO.3 DONGBAEK and switch it all on
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About NO.3 DONGBAEK
What kind of vessel is NO.3 DONGBAEK?
NO.3 DONGBAEK is a Passenger flagged to South Korea.
Where was NO.3 DONGBAEK last seen?
NO.3 DONGBAEK was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO.3 DONGBAEK's MMSI?
NO.3 DONGBAEK's MMSI is 440055170. Call sign 170038.
How big is NO.3 DONGBAEK?
NO.3 DONGBAEK is about 26 m long, 6 m on the beam, drawing 2 m.
Is NO.3 DONGBAEK on the Master's Mate Safety Initiative Network?
Not yet. If NO.3 DONGBAEK is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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