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
ONE STAR
Tug · last seen 37°N 127°E · Jun 2026 · MMSI 440140640 · Call sign 102 O S
Not yet on Master's MateType
Tug
Call sign
102 O S
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
ONE STAR is a tugboat. On AIS she appears as MMSI 440140640, call sign 102 O S. Claim ONE STAR free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like ONE STAR.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 16:55 UTC
Position
37.4507° N, 126.5934° E
Status
Under way (engine)
Speed
0.0 kn
Course
357°
Destination
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Working the Yellow Sea? 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ONE STAR 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 ONE STAR and switch it all on
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About ONE STAR
What kind of vessel is ONE STAR?
ONE STAR is a Tug.
Where was ONE STAR last seen?
ONE STAR was last reported in the Yellow Sea in Jun 2026 on public AIS.
What is ONE STAR's MMSI?
ONE STAR's MMSI is 440140640. Call sign 102 O S.
Is ONE STAR on the Master's Mate Safety Initiative Network?
Not yet. If ONE STAR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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