STEFAN (IMO 7917898)
STEFAN is an Offshore Tug/Supply Ship built in 1981 and flying the Nigeria flag, placing it in its 45th year of service. The vessel reports a deadweight tonnage of 1,389 metric tonnes and a gross tonnage of 1,247. This vessel is configured for offshore support and supply operations. No classification society or IACS membership data is currently available for this vessel. The vessel has previously operated under one different flag state and has been registered under two former names. No port state control (PSC) inspections were recorded in the last 36 months; 2 inspections are on file since 2002, the most recent on 13 July 2005.
- Type: Offshore Tug/Supply Ship
- Flag: Nigeria
- Year built: 1981
- MMSI: 657101300
- Call sign: 5NSS
- Gross tonnage: 1247
- Deadweight: 1389 t
- Port State Control (PSC) inspections: 2 since 2002
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 13/07/2005
- Last AIS position: 4°39.3′N · 007°8.1′E · Speed 9.1 kn · under way · received 6 October 2026 at 09:21 UTC
Frequently asked questions
What is the vessel type of STEFAN?
STEFAN is an Offshore Tug/Supply Ship. It was built in 1981 and is currently in its 45th year of service.
What are the tonnage specifications for STEFAN?
The vessel has a deadweight tonnage of 1,389 metric tonnes. Its gross tonnage is recorded at 1,247.
How many port-state inspections has STEFAN undergone?
No port state control (PSC) inspections were recorded in the last 36 months; 2 inspections are on file since 2002, the most recent on 13 July 2005.
What is the flag state of STEFAN?
STEFAN currently flies the Nigeria flag. The vessel has operated under 1 different flag state previously in its history.
How many former names has the vessel had?
The vessel has been registered under 2 former names. It has also undergone 14 ownership changes during its operational life.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.