RFA Stirling Castle

RFA Stirling Castle
Stirling Castle alongside at Oslo with its previous name Island Crown in 2013
History
NameIsland Crown
OwnerIsland Offshore
Port of registry
BuilderVard Brăila, Romania[1]
Yard number784
LaunchedMarch 2013[1]
FateSold to UK Ministry of Defence, 14 February 2023
United Kingdom
NameStirling Castle
NamesakeStirling Castle in Scotland
Acquired14 February 2023
In service11 April 2024
HomeportHMNB Clyde[4]
Identification
StatusIn active service
Badge
General characteristics
Class and typeVARD UT 776 CD[5]
TypeMine Countermeasures Maritime Autonomous Systems (MCM MAS)
Tonnage
Displacement6,000 tonnes[1]
Length96.8 m (317 ft 7 in)[1]
Beam20.0 m (65 ft 7 in)[1]
Draught6.0 m (19 ft 8 in)[1]
Propulsion
  • 4 × Bergen Engines C25:33L-6 diesel engines (4 × 2,000 kW, 2,700 hp)[1]
  • 2 × Kongsberg azimuth thrusters (2 × 3,500 kW, 4,700 hp)
  • 3 × Kongsberg bow thrusters (3 × 1,882 kW, 2,524 hp)[1]
Complement100[6]
Aviation facilitiesHelipad

RFA Stirling Castle is a ship of the Royal Fleet Auxiliary operated by the Ministry of Defence. Acquired in 2023, the ship entered drydock at HMNB Devonport for modification into a trials platform for autonomous minehunting systems that are to operate from a larger mother ship. The ship was formerly named MV Island Crown, and used as an offshore supply vessel operated by Island Offshore.[8] The vessel was sold to the Ministry of Defence in January 2023 for £40 million.[8]

Stirling Castle is one of two new commercial vessels acquired for the Royal Fleet Auxiliary in 2023, the other being RFA Proteus, a multi-role ocean surveillance ship to protect seabed infrastructure and communications.[9] From the mid-2020s, up to three additional ships performing the role of mine countermeasures command and support vessel are also planned for acquisition.[10] These vessels will fill a gap left as a result of the retirement of the Royal Navy's Sandown-class minehunters, all of which are scheduled to leave service by 2025.[11]

  1. ^ a b c d e f g h i j "ISLAND CROWN". DNV Vessel Register. Retrieved 13 April 2023.
  2. ^ @NavyLookout (23 April 2023). "Formal renaming and registration of @RFAStrlngCastle has been completed. She will receive the pennant number M01 but remain painted blue & white as a trials platform" (Tweet). Retrieved 23 April 2023 – via Twitter.
  3. ^ "ISLAND CROWN (9630535)". Equasis. Ministry of Ecology, Sustainable Development and Energy. Retrieved 13 April 2023.
  4. ^ "Why has the Royal Navy decommissioned 6 ships in a year?". Navy Lookout. 23 March 2023. Retrieved 13 April 2023.
  5. ^ "Island Crown". Vard Group AS. Retrieved 14 April 2023.
  6. ^ "PSV becomes subsea and accommodation vessel". rivieramm.com. 2 October 2013. Retrieved 13 April 2023.
  7. ^ Cite error: The named reference BalticShipping was invoked but never defined (see the help page).
  8. ^ a b "New autonomous £40m mine-hunting mothership arrives at HMNB Devonport". Forces.net. 30 January 2023. Retrieved 14 April 2023.
  9. ^ "First images of new Multi Role Ocean Support ship (MROS) renamed RFA Proteus". Navy Lookout. 4 April 2023. Retrieved 4 April 2023.
  10. ^ "Up close with RFA Stirling Castle – first of the navy's new motherships". Navy Lookout. 4 July 2023. Retrieved 4 July 2023.
  11. ^ "Why has the Royal Navy decommissioned 6 ships in a year?". Navy Lookout. 23 March 2023. Retrieved 24 March 2023.

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