HOS WINCHESTER (IMO 9490064)
HOS WINCHESTER is an Offshore Supply Ship built in 2010 and flying the Mexico flag, placing it in its 16th year of service. The vessel reports a deadweight tonnage of 5,642 metric tonnes, a gross tonnage of 3,764, and a length overall of 89 metres. This vessel is configured for offshore support operations. HOS WINCHESTER is classed by the American Bureau of Shipping, which is an IACS member. The vessel has been observed in the Middle America and Gulf of Mexico regions. It has previously operated under three different flag states and has been registered under two former names. Over the last 36 months it has had 4 port state control (PSC) inspections and no detentions. The most recent inspection was on 28 November 2025.
- Type: Offshore Supply Ship
- Flag: Mexico
- Year built: 2010
- MMSI: 345090014
- Call sign: XCBL5
- Gross tonnage: 3764
- Deadweight: 5642 t
- Length overall: 89 m
- Beam: 20 m
- Port State Control (PSC) inspections: 8 since 2019
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 28/11/2025
- Registered owner · Ship manager · ISM manager: HORNBECK OFFSHORE SERV-MEXICO (Mexico)
- Last AIS position: 29°7.8′N · 090°12.1′W · Speed 0.0 kn · moored · received 10 October 2026 at 23:12 UTC
- Destination: Port Fourchon (US FOC)
Frequently asked questions
What is the vessel type of HOS WINCHESTER?
HOS WINCHESTER is an Offshore Supply Ship. It was built in 2010 and is currently in its 16th year of service.
What are the dimensions of HOS WINCHESTER?
The vessel has a length overall of 89 metres and a beam of 20 metres. It possesses a gross tonnage of 3,764.
Which classification society maintains HOS WINCHESTER?
The vessel is classed by the American Bureau of Shipping. This society is a member of the International Association of Classification Societies (IACS).
What is the PSC inspection history for HOS WINCHESTER?
Over the last 36 months it has had 4 port state control (PSC) inspections and no detentions; the deficiency count is reported for 3 of them. The most recent inspection was on 28 November 2025. All-time records show 8 inspections since 2019 and no detentions.
Where has HOS WINCHESTER been operating recently?
The vessel has been observed in the Middle America and Gulf of Mexico regions. It currently operates under the Mexico flag.
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