To ask the Secretary of State for Defence (1) what was the total cost of the repairs to the Hawk aircraft, tail number XX227, following its accident on 21 April 1983; and where the repairs were carried out;(2) what was the total cost of the repairs to the Tornado aircraft, tail number ZA597, following its accident at RAF Honington in November 1983;(3) what was the total cost of repairs to the Tornado aircraft, tail number ZA412, following its accident at RAF Wildenrath on 14 April 1987.
Exact repair costs for these aircraft are not available, but estimated figures are as follows:
| Aircraft | Date of Accident | Estimated cost of repair £K |
| Hawk XX227 | 21 April 1983 | 35 |
| Tornado ZA597 | 14 November 1983 | 91 |
| Tornado ZA412 | 14 April 1987 | 23 |
To ask the Secretary of State for Defence what was the rate of major accidents per 10,000 flying hours for Royal Air Force fast jet aircraft in (a) 1988 and (b) 1989.
The rates of major accidents per 10,000 flying hours for Royal Air Force fast jet aircraft, defined as Buccaneer, Harrier, Jaguar, Lightning, Phantom and Tornado aircraft, were 0.79 for 1988 and 0.59 for 1989.
To ask the Secretary of State for Defence if he will list all accidents to Royal Air Force fast jet aircraft since 1979 in which an aircraft was assessed to have category 4 damage, providing for each such accident (a) the date, (b) the type of aircraft and (c) the tail number of the aircraft.
There have been eight accidents to RAF fast jet aircraft since 1979 where the damage has been assessed as category 4. Details are as follows:
| Date | Aircraft type | Tail number |
| 6 June 1979 | Harrier | XW767 |
| 19 August 1980 | Hawk | XX243 |
| 12 May 1982 | Tornado | ZA330 |
| 8 June 1982 | Harrier | XZ989 |
| 14 November 1983 | Tornado | ZA597 |
| 19 November 1985 | Harrier | XW922 |
| 10 December 1986 | Tornado | ZA611 |
| 24 June 1988 | Hawk | XX304 |
To ask the Secretary of State for Defence what percentage of the total number of Hawk aircraft procured for the Royal Air Force has been lost in accidents over the aircraft's service life so far.
Of the total number of Hawk aircraft procured for the RAF, 14.2 per cent. have been lost in accidents.
To ask the Secretary of State for Defence what has been the rate of major accidents per 10,000 flying hours for the Tornado GR1 aircraft since its entry into RAF service, as at the latest available date; and how many RAF Tornado aircraft have been destroyed in flying accidents.
Twenty-four Tornado aircraft have been lost in accidents since the aircraft's entry into service (23 Tornado GRI, and one Tornado F3).On major accident rates, I refer the hon. Member to the answer I gave to the hon. Member for Houghton and Washington (Mr. Boyes) on 26 June 1989, column
361.
To ask the Secretary of State for Defence what percentage of the total number of Harrier aircraft procured for the Royal Air Force has been lost in accidents over the aircraft's service life so far.
Of the total number of Harrier aircraft procured for the Royal Air Force, 27.4 per cent. have been lost in accidents.