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.
Cargo
SEONG SIN 5001
Cargo · last seen 35°N 129°E · Jun 2026 · MMSI 440214570 · Call sign 301
Not yet on Master's MateType
Cargo
Length
63 m
Beam
18 m
Call sign
301
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
3
SEONG SIN 5001 is a 63-metre merchant vessel. She's built with 18 metres in the beam. Find her under MMSI 440214570, call sign 301. SEONG SIN 5001 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on SEONG SIN 5001, 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 15, 2026
Position
35.1012° N, 129.0544° 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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEONG SIN 5001 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 SEONG SIN 5001 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEONG SIN 5001
What kind of vessel is SEONG SIN 5001?
SEONG SIN 5001 is a Cargo.
Where was SEONG SIN 5001 last seen?
SEONG SIN 5001 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SEONG SIN 5001's MMSI?
SEONG SIN 5001's MMSI is 440214570. Call sign 301.
How big is SEONG SIN 5001?
SEONG SIN 5001 is about 63 m long, 18 m on the beam.
Is SEONG SIN 5001 on the Master's Mate Safety Initiative Network?
Not yet. If SEONG SIN 5001 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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