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.
Tug
UL SAN 101
MMSI 440123810 · Call sign 998269
Not yet on Master's MateType
Tug
Flag
KORLength
64 m
Beam
20 m
Draft
3 m
Call sign
998269
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
Out of South Korea, UL SAN 101 is a 64-metre working tug. She carries a 20 m beam and a 3-metre draft. Look for MMSI 440123810, call sign 998269. Add UL SAN 101 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like UL SAN 101.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 13:10 UTC
Position
35.1014° N, 129.0453° E
Status
Under way (engine)
Speed
8.2 kn
Course
242°
Destination
PUSAN
ETA
06-10 12:00 UTC
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put UL SAN 101 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 UL SAN 101 and switch it all on
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About UL SAN 101
What kind of vessel is UL SAN 101?
UL SAN 101 is a Tug flagged to South Korea.
Where was UL SAN 101 last seen?
UL SAN 101 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is UL SAN 101's MMSI?
UL SAN 101's MMSI is 440123810. Call sign 998269.
How big is UL SAN 101?
UL SAN 101 is about 64 m long, 20 m on the beam, drawing 3 m.
Is UL SAN 101 on the Master's Mate Safety Initiative Network?
Not yet. If UL SAN 101 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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