KOOLE 53 (IMO 9646778)
KOOLE 53 is an Offshore Tug/Supply Ship built in 2012 and flying the Netherlands flag, placing it in its 14th year of service. The vessel reports a deadweight tonnage of 935 metric tonnes and a gross tonnage of 1,159. It is configured for offshore support operations. KOOLE 53 is classed by Registro Italiano Navale, which is an IACS member. The vessel has been observed in West Africa, the North America East Coast, and the Gulf of Mexico over recent periods. It has previously operated under one former flag and two former names. Over the last 36 months it has had 5 port state control (PSC) inspections and 1 detention. The most recent inspection was on 28 October 2025.
- Type: Offshore Tug/Supply Ship
- Flag: Netherlands
- Year built: 2012
- MMSI: 245081000
- Call sign: PBZS
- Gross tonnage: 1159
- Deadweight: 935 t
- Beam: 13.2 m
- Home port: ROTTERDAM - 23346Z2012
- Port State Control (PSC) inspections: 7 since 2018
- PSC detentions in the last 36 months: 1
- Last PSC detention: 11/07/2025, Charleston, South Carolina (US Coast Guard)
- Last PSC inspection: 28/10/2025
- Registered owner · Ship manager: K53 BV (Netherlands)
- ISM manager: EMAR OFFSHORE SERVICES BV (Netherlands)
- Last AIS position: 5°32.9′S · 012°11.6′E · Speed 0.4 kn · received 31 July 2026 at 06:40 UTC
- Destination: Cabinda (AO CAB)
Frequently asked questions
What is the vessel type and age of KOOLE 53?
KOOLE 53 is an Offshore Tug/Supply Ship. It was built in 2012 and is currently in its 14th year of service.
What are the dimensions and capacity of KOOLE 53?
The vessel has a beam of 13.2 metres and a gross tonnage of 1,159. Its deadweight tonnage is recorded at 935 metric tonnes.
Which classification society manages KOOLE 53?
The vessel is classed by Registro Italiano Navale, which is an IACS member. Its current class notation is C # and its status is Delivered.
What is the engine power of KOOLE 53?
The vessel is equipped with a main engine providing 1,600 kW of power. This power rating supports its offshore tug and supply functions.
How many inspections has KOOLE 53 undergone recently?
Over the last 36 months it has had 5 port state control (PSC) inspections and 1 detention, with 8 deficiencies recorded. The most recent inspection was on 28 October 2025. All-time records show 7 inspections since 2018 and 1 detention. The most recent detention was on 11 July 2025.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.