CTA International

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British Ajax fighting vehicle

CTA International is an equal-shares joint venture company between defence companies Nexter and BAE Systems. CTAI is based in Bourges, France and has been established to develop and manufacture case telescoped weapons and ammunition. The company name is an acronym for Case Telescoped Ammunition.[1] Its main product is a 40mm cannon for light armoured vehicles.

Timeline[edit]

  • 1994 - CTAI was created by (at that time) GIAT and Royal Ordnance, with initial activities around a 45mm solution
  • 1997 - the 40mm calibre solution is selected
  • 1999 - The UK MoD Operational Analysis (OA) study output is shared with US DoD; the solution is integrated into Bradley Fighting Vehicle and the US-UK Tracer prototype vehicle
  • 2002 - Further UK MoD & DGA OA studies; risk reduction contract awarded
  • 2004 - UK MoD & DGA contract to integrate 40CT into the MTIP and unmanned Toutatis turrets
  • March 2008 - UK MoD select CT40 as a mandated item for Warrior IFV and FRES-Scout (now Ajax) programmes[2]

CT40 cannon[edit]

CT40
Type Autocannon
Place of origin  United Kingdom
 France
Service history
In service Speculated 2018
Used by British Armed Forces French Armed Forces
Production history
Designer CTA International
Designed 1997
Manufacturer CTA International
Produced 1999
Specifications
Weight 340 kg
Length 3428 mm
Barrel length 2800 mm

Cartridge 40*255MM Case Telescoped
Cartridge weight

2.2kg(HE-Airburst-T)

1.8kg(APFSDS-T)
Caliber 70 Caliber
Action Autocannon
Rate of fire 180-200 rds/min
Muzzle velocity

1000 m/s HE-Airburst-T

1640 m/s APFSDS-T
Effective firing range 2500 m
Maximum firing range 5000 m
Feed system Manual

The CT40 Case Telescoped Weapon System (CTWS) cannon is designed to fire 40mm telescoped ammunition. This format provides significant ergonomic benefits within vehicles in the space envelope required for the gun and the ammunition storage.[3] However, the selection of the unfielded new design for major programmes has been controversial .

The CT40 40mm cannon has been mandated for the UK Ajax (formerly FRES SV) and Warrior Capability Sustainment Programme (WCSP) programmes. It has also been ordered by the French Army.

In February 2010 CTAI signed a £11m contract with the French and British defence ministries to qualify the CTWS, including environmental testing and the firing of 15,000 rounds.[4]

The company has confirmed that the ammunition for the British weapons will be assembled at BAE Systems' ROF Glascoed facility.[5]

References[edit]

  1. ^ "CTA International Secures New Contract From UK MOD" - BAE Systems
  2. ^ http://www.dtic.mil/ndia/2009gunmissile/7961leslie.pdf CTAI presentation at conference - April 2009
  3. ^ "CTWS" - Deagel
  4. ^ "WCSP: Britain’s Warriors to Undergo Mid-Life Upgrade" - Defense Industry Daily
  5. ^ DefenceNews France, U.K. To Qualify New Cannon

External links[edit]