MTS 31 (IMO 9903384)
MTS 31 is a tug built in 2020 and flying the flag of Indonesia; it is in its 6th year of service. The vessel has a deadweight of 166 tonnes and a gross tonnage of 206. MTS 31's class with Nippon Kaiji Kyokai was withdrawn on 19 November 2021 because a survey was overdue. The vessel has been observed most often in the Makassar Strait, the Java Sea, and the Celebes Sea (latest area report: June 2026). It has previously sailed under one other name and one other flag. No port state control (PSC) inspection records are on file for this vessel.
- Type: Tug
- Flag: Indonesia
- Year built: 2020
- MMSI: 525600770
- Call sign: YDB3177
- Gross tonnage: 206
- Deadweight: 166 t
- Registered owner · Ship manager: MITRA TUJUH SAMUDRA (Indonesia)
- Last AIS position: 4°12.7′S · 114°15.1′E · Speed 4.0 kn · received 5 October 2026 at 15:10 UTC
Frequently asked questions
What type of vessel is MTS 31?
MTS 31 is a tug built in 2020. It is in its 6th year of service.
What is the deadweight of MTS 31?
MTS 31 has a deadweight of 166 tonnes. Its gross tonnage is 206.
What flag does MTS 31 fly?
MTS 31 flies the flag of Indonesia. Earlier it sailed under one other flag.
Who classes MTS 31?
MTS 31's class with Nippon Kaiji Kyokai was withdrawn on 19 November 2021 because a survey was overdue.
How many port state control inspections has MTS 31 had?
No port state control (PSC) inspection records are on file for this vessel.
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