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. CITRA 89
MMSI 525501332 · Call sign YDC3561
Not yet on Master's MateType
Tug
Flag
IDNLength
29 m
Beam
8 m
Draft
3.5 m
Call sign
YDC3561
IMO
9990947
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
On the Indonesian registry, TB. CITRA 89 is a 29-metre working tug. TB. CITRA 89 has 8 metres in the beam and a 3.5-metre draft. On AIS she appears as MMSI 525501332, call sign YDC3561, IMO 9990947. Bring TB. CITRA 89 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like TB. CITRA 89.
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
6.6910° S, 112.4024° E
Wherever TB. CITRA 89 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. CITRA 89 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. CITRA 89 and switch it all on
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About TB. CITRA 89
What kind of vessel is TB. CITRA 89?
TB. CITRA 89 is a Tug flagged to Indonesia.
Where was TB. CITRA 89 last seen?
TB. CITRA 89 was last reported in around 7°S 112°E in Jun 2026 on public AIS.
What is TB. CITRA 89's MMSI?
TB. CITRA 89's MMSI is 525501332. Call sign YDC3561. IMO 9990947.
How big is TB. CITRA 89?
TB. CITRA 89 is about 29 m long, 8 m on the beam, drawing 3.5 m.
Is TB. CITRA 89 on the Master's Mate Safety Initiative Network?
Not yet. If TB. CITRA 89 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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