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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
TB.ARTHA 28
Tug · last seen 6°S 107°E · Jun 2026 · MMSI 525701798 · Call sign YDC4782
Not yet on Master's MateType
Tug
Draft
3.5 m
Call sign
YDC4782
IMO
1083516
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
5
TB.ARTHA 28 is a harbour tug. She has a draft of 3.5 m. On the registers she's MMSI 525701798, call sign YDC4782, IMO 1083516. Working vessels like TB.ARTHA 28 are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
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Built for boats that work — like TB.ARTHA 28.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 16, 2026 02:31 UTC
Position
6.0842° S, 106.8807° E
Status
At anchor
Speed
4.1 kn
Course
11°
Destination
PANGKALBALAM
ETA
02-06 05:30 UTC
Wherever TB.ARTHA 28 roams, 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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Joining the Safety Initiative Network doesn't just put TB.ARTHA 28 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.
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About TB.ARTHA 28
What kind of vessel is TB.ARTHA 28?
TB.ARTHA 28 is a Tug.
Where was TB.ARTHA 28 last seen?
TB.ARTHA 28 was last reported in around 6°S 107°E in Jun 2026 on public AIS.
What is TB.ARTHA 28's MMSI?
TB.ARTHA 28's MMSI is 525701798. Call sign YDC4782. IMO 1083516.
Is TB.ARTHA 28 on the Master's Mate Safety Initiative Network?
Not yet. If TB.ARTHA 28 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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