SEMESTA 6 (IMO 9883326)
SEMESTA 6 is a Tug built in 2019 and flying the Indonesia flag, placing it in its 7th year of service. The vessel reports a deadweight tonnage of 81 metric tonnes and a gross tonnage of 143. This small-scale tonnage is characteristic of specialized tug vessels used for local maneuvering and support operations. SEMESTA 6 is classed by Nippon Kaiji Kyokai, though its current class status is recorded as Withdrawn. The vessel has been observed in the Java Sea and across South East Asia. It has previously operated under one former name and one former flag. No port state control (PSC) inspection records are on file for this vessel.
- Type: Tug
- Flag: Indonesia
- Year built: 2019
- MMSI: 525400995
- Call sign: YDC4143
- Gross tonnage: 143
- Deadweight: 81 t
- Registered owner · Ship manager: PELAYARAN KURNIA LAUTAN (Indonesia)
- Last AIS position: 3°14.2′S · 107°57.1′E · Speed 1.9 kn · received 13 October 2026 at 21:17 UTC
- Destination: To be nominated
- Arrival alert: rynda.io messages you by email or in Telegram when SEMESTA 6 arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of SEMESTA 6?
SEMESTA 6 is a Tug. It was built in 2019 and is currently in its 7th year of service.
What are the tonnage specifications for SEMESTA 6?
The vessel has a gross tonnage of 143. It also reports a deadweight tonnage of 81 metric tonnes.
Where has SEMESTA 6 been operating recently?
The vessel has been observed in the Java Sea and throughout South East Asia. These regions represent its most recent recorded geographic areas of operation.
What is the classification status of SEMESTA 6?
The vessel is classed by Nippon Kaiji Kyokai. Its current classification status is listed as Withdrawn.
How many inspections has SEMESTA 6 undergone?
No port state control (PSC) inspection records are on file for this vessel.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.