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
2SEYUN
MMSI 440302730 · Call sign 055762
Not yet on Master's MateType
Tanker
Flag
KORLength
36 m
Beam
7 m
Draft
3.8 m
Call sign
055762
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
49
On the South Korean registry, 2SEYUN is a 36-metre tanker. She carries a beam of 7 m and a 3.8 m draft. Her registration reads MMSI 440302730, call sign 055762. 2SEYUN can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on 2SEYUN, 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 23:10 UTC
Position
35.2575° N, 129.3112° E
Status
Under way (engine)
Speed
9.5 kn
Course
33°
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 2SEYUN 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 2SEYUN and switch it all on
Free to join · nothing to install to start · cancel anytime
About 2SEYUN
What kind of vessel is 2SEYUN?
2SEYUN is a Tanker flagged to South Korea.
Where was 2SEYUN last seen?
2SEYUN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 2SEYUN's MMSI?
2SEYUN's MMSI is 440302730. Call sign 055762.
How big is 2SEYUN?
2SEYUN is about 36 m long, 7 m on the beam, drawing 3.8 m.
Is 2SEYUN on the Master's Mate Safety Initiative Network?
Not yet. If 2SEYUN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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