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
TB MARINA 2241
MMSI 525401141 · Call sign YDC3433
Not yet on Master's MateType
Tug
Flag
IDNLength
29 m
Beam
8 m
Draft
3.2 m
Call sign
YDC3433
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
An Indonesian tugboat, TB MARINA 2241 measures 29 metres. She carries a beam of 8 m and a 3.2 m draft. Her registration reads MMSI 525401141, call sign YDC3433. Add TB MARINA 2241 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 TB MARINA 2241.
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
Last known position · Jun 3, 2026
Position
2.3505° S, 104.4784° E
Wherever TB MARINA 2241 roams, 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TB MARINA 2241 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 TB MARINA 2241 and switch it all on
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About TB MARINA 2241
What kind of vessel is TB MARINA 2241?
TB MARINA 2241 is a Tug flagged to Indonesia.
Where was TB MARINA 2241 last seen?
TB MARINA 2241 was last reported in around 2°S 104°E in Jun 2026 on public AIS.
What is TB MARINA 2241's MMSI?
TB MARINA 2241's MMSI is 525401141. Call sign YDC3433.
How big is TB MARINA 2241?
TB MARINA 2241 is about 29 m long, 8 m on the beam, drawing 3.2 m.
Is TB MARINA 2241 on the Master's Mate Safety Initiative Network?
Not yet. If TB MARINA 2241 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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