ENERGY DUCHESS (IMO 9740744)
ENERGY DUCHESS is an Offshore Supply Ship built in 2019 and flying the Norway flag, placing it in its seventh year of service. The vessel reports a deadweight tonnage of 3,957 metric tonnes, a gross tonnage of 3,795, and a length overall of 83.28 metres. This vessel is configured for specialized offshore service operations. ENERGY DUCHESS is classed by DNV, which is a member of the International Association of Classification Societies (IACS). The vessel has been observed in West Europe, North Europe, and the Gulf of Mexico over recent periods. It has previously operated under one former name and two former flag states. Over the last 36 months it has had 3 port state control (PSC) inspections and no detentions. The most recent inspection was on 7 December 2025.
- Type: Offshore Supply Ship
- Flag: Norway
- Year built: 2019
- MMSI: 259032000
- Call sign: LFZG
- Gross tonnage: 3795
- Deadweight: 3957 t
- Length overall: 83.28 m
- Beam: 18.002 m
- Home port: ÅLESUND
- Port State Control (PSC) inspections: 9 since 2019
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 07/12/2025
- Registered owner: NML ENERGY DUCHESS LLC (Norway)
- Ship manager · ISM manager · DOC holder: GOLDEN ENERGY OFFSHORE MGMT AS (Norway)
- Last AIS position: 57°18.3′N · 001°8.7′W · Speed 7.9 kn · under way · received 9 October 2026 at 22:45 UTC
- Destination: FULMAR · ETA 10 October 2026 at 18:00 UTC (as broadcast by the vessel)
- Arrival alert: rynda.io messages you by email or in Telegram when ENERGY DUCHESS arrives in port. Free for up to 3 vessels.
Frequently asked questions
What are the dimensions of ENERGY DUCHESS?
The vessel has a length overall of 83.28 metres and a beam of 18.002 metres. It operates with a maximum draught of 6.7 metres.
What is the capacity of ENERGY DUCHESS?
The vessel reports a deadweight tonnage of 3,957 metric tonnes. Its gross tonnage is recorded at 3,795.
Which classification society maintains ENERGY DUCHESS?
The vessel is classed by DNV, which is an IACS member. Its current class status is listed as Delivered.
How many inspections has the vessel undergone?
Over the last 36 months it has had 3 port state control (PSC) inspections and no detentions, with 6 deficiencies recorded. The most recent inspection was on 7 December 2025. All-time records show 9 inspections since 2019 and no detentions.
Where has ENERGY DUCHESS been operating recently?
The vessel has been observed in West Europe, North Europe, and the Gulf of Mexico. These regions represent its most recent geographic activity.
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