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 2256
MMSI 525701788 · Call sign YDC3925
Not yet on Master's MateType
Tug
Flag
IDNLength
29 m
Beam
7 m
Draft
4.8 m
Call sign
YDC3925
IMO
1083164
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
45
Registered in Indonesia, TB MARINA 2256 is a 29-metre harbour tug. She has a beam measuring 7 metres and a draft of 4.8 m. She broadcasts as MMSI 525701788, call sign YDC3925, IMO 1083164. TB MARINA 2256 earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like TB MARINA 2256.
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
2.2971° S, 104.5748° E
Wherever TB MARINA 2256 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 2256 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 2256 and switch it all on
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About TB MARINA 2256
What kind of vessel is TB MARINA 2256?
TB MARINA 2256 is a Tug flagged to Indonesia.
Where was TB MARINA 2256 last seen?
TB MARINA 2256 was last reported in around 2°S 105°E in Jun 2026 on public AIS.
What is TB MARINA 2256's MMSI?
TB MARINA 2256's MMSI is 525701788. Call sign YDC3925. IMO 1083164.
How big is TB MARINA 2256?
TB MARINA 2256 is about 29 m long, 7 m on the beam, drawing 4.8 m.
Is TB MARINA 2256 on the Master's Mate Safety Initiative Network?
Not yet. If TB MARINA 2256 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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