CALVIN 81 (IMO 9647928)
CALVIN 81 is a Tug built in 2011 and flying the Indonesia flag, placing it in its 15th year of service. The vessel reports a deadweight tonnage of 174 metric tonnes and a gross tonnage of 192. This small-scale vessel is configured for specialized towing and support operations. CALVIN 81 is classed by Biro Klasifikasi Indonesia. The vessel has been observed in the Java Sea, the Indian Ocean, and the South China Sea. It 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: 2011
- MMSI: 525003208
- Call sign: YDA3041
- Gross tonnage: 192
- Deadweight: 174 t
- Registered owner · Ship manager: GANDASARI SHIPPING LINE (Indonesia)
- Last AIS position: 5°54.3′S · 106°5.5′E · Speed 3.5 kn · received 13 October 2026 at 05:01 UTC
Frequently asked questions
What is the vessel type of CALVIN 81?
CALVIN 81 is a Tug. It was built in 2011 and is currently in its 15th year of service.
What are the tonnage specifications for CALVIN 81?
The vessel has a gross tonnage of 192. It also reports a deadweight tonnage of 174 metric tonnes.
Which classification society manages CALVIN 81?
The vessel is classed by Biro Klasifikasi Indonesia. Its current classification status is recorded as Suspended.
Where has CALVIN 81 been operating recently?
The vessel has been observed in the Java Sea and the South China Sea. It has also been recorded in the Indian Ocean.
How many port-state inspections has CALVIN 81 undergone?
No port state control (PSC) inspection records are on file for this vessel.
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