KSA 21 (IMO 8352588)
KSA 21 is a Tug built in 2008 and flying the Indonesia flag, placing it in its 18th year of service. The vessel reports a gross tonnage of 153 and has a deadweight tonnage of 0. This small-scale vessel is configured for specialized tug operations. KSA 21 is classed by Biro Klasifikasi Indonesia, though its current class status is listed as Suspended. The vessel has previously operated under one former name and one former flag state. No port state control (PSC) inspection records are on file for this vessel.
- Type: Tug
- Flag: Indonesia
- Year built: 2008
- MMSI: 525800082
- Call sign: YDA6175
- Gross tonnage: 153
- Deadweight: 0 t
- Registered owner · Ship manager: KARTIKASAMUDRA ADIJAYA PT (Indonesia)
- Last AIS position: 2°10.3′N · 117°31.1′E · Speed 2.9 kn · received 3 September 2026 at 13:46 UTC
- Destination: To be nominated
- Arrival alert: rynda.io messages you by email or in Telegram when KSA 21 arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type and age of KSA 21?
KSA 21 is a Tug vessel built in 2008. It is currently in its 18th year of service.
What is the gross tonnage of KSA 21?
The vessel has a gross tonnage of 153. Its deadweight tonnage is recorded as 0.
Which classification society manages KSA 21?
The vessel is classed by Biro Klasifikasi Indonesia. Its current classification status is listed as Suspended.
How many inspections has KSA 21 undergone recently?
No port state control (PSC) inspection records are on file for this vessel.
What is the flag state of KSA 21?
The vessel currently flies the Indonesia flag. It has operated under 1 former flag state during its service history.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.