§ Mrs. DunwoodyTo ask the Secretary of State for Defence (1) what aircraft have been delivered for the use of British forces containing(a) PVC/Nylon wiring, (b) Poly-X wiring and (c) Kapton wiring; when the aircraft were delivered; and what is their life expectancy; [100926]
(2) how many British military aircraft contain (a) PVC/ Nylon wiring, (b) Poly-X wiring and (c) Kapton wiring; and if he will list the types and locations of the aircraft concerned. [101041]
§ Mr. SpellarListed are details of how many British military aircraft contain PVC/Nylon, Poly-X or Kapton wiring, together with the type and location of the aircraft concerned. Details are also provided about when the aircraft first entered service and their approximate life expectancy:
(a) PVC/Nylon wiring. Some 580 military aircraft contain PVC/Nylon wiring.
(c) Kapton wiring. Kapton is a trademarked material. It is one of a range of polyimide coverings used to insulate aircraft wires. Some 740 British military aircraft contain wiring of this type.