FORTRESS (IMO 9126455)
FORTRESS is an Offshore Supply Ship built in 1996 and flying the Norway (NIS) flag, placing it in its 30th year of service. The vessel has a deadweight tonnage of 4,693 metric tonnes, a gross tonnage of 3,017, and a length overall of 82.88 metres. This vessel is configured for offshore support operations. FORTRESS is classed by DNV, which is an IACS member. The vessel has been observed in the Singapore Strait and South East Asia. It has previously operated under two different flag states and has been known by three former names. Over the last 36 months it has had 3 port state control (PSC) inspections and no detentions. The most recent inspection was on 8 January 2025.
- Type: Offshore Supply Ship
- Flag: Malta
- Year built: 1996
- MMSI: 249933000
- Call sign: 9HA6443
- Gross tonnage: 3017
- Deadweight: 4693 t
- Length overall: 82.88 m
- Beam: 19 m
- Home port: VALLETTA
- Port State Control (PSC) inspections: 17 since 1998
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 08/01/2025
- Registered owner: TOG MOR TRANSPORT CHARTERING (Netherlands)
- Ship manager · ISM manager · DOC holder: ALLSEAS ENGINEERING BV (Netherlands)
- Last AIS position: 1°18.0′N · 103°41.9′E · Speed 0.0 kn · moored · received 11 October 2026 at 05:49 UTC
- Destination: PAX OCEAN SHIPYARD
Frequently asked questions
What is the vessel type and age of FORTRESS?
FORTRESS is an Offshore Supply Ship built in 1996. It is currently in its 30th year of service.
What are the dimensions of FORTRESS?
The vessel has a length overall of 82.88 metres and a beam of 19 metres. It operates with a maximum draught of 6.312 metres.
Which classification society maintains FORTRESS?
The vessel is classed by DNV, which is an IACS member. Its current class notation is Offshore service vessel DYNPOS(AUTR) E0.
What is the PSC inspection history for FORTRESS?
Over the last 36 months it has had 3 port state control (PSC) inspections and no detentions, with 7 deficiencies recorded. The most recent inspection was on 8 January 2025. All-time records show 17 inspections since 1998 and no detentions.
Where has FORTRESS been recently observed?
The vessel has been observed in the Singapore Strait and South East Asia. It currently flies the Norway (NIS) flag.
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