asked the Secretary of State for Defence whether he will list the principal firms with sub-contracts for work on the multi-rôle combat aircraft.

The principal firms with sub-contracts for work on the multi-rôle combat aircraft are:

• Aerotech Technical Personnel, London
• Aircraft Research Association Ltd., Bedford
• Air Log Ltd., Aldershot
• Airscrew Howden Ltd., Weybridge.
• Alcan Booth Sheet Ltd., Birmingham
• Amphenol Ltd., Whitstable
• Automotive Products Ltd., Liverpool
• Avica Equipment Ltd., Hemel Hempstead
• Beaufort (Air Sea) Equipment Ltd., Birkenhead
• Beckman Instruments, Glenrothes
• Bell and Howell Ltd., Basingstoke
• Bestobell Ltd., Slough
• British Aircraft Corporation Ltd., Filton
• British Aircraft Corporation Ltd., Stevenage
• British Aircraft Corporation Ltd., Warton
• British Aircraft Corporation Ltd., Weybridge
• British Filters, Ltd., Maidenhead
• Bristols Instrument Co. Ltd., London
• British Steel, Sheffield
• Brooks & Walker Ltd., Birmingham
• Cannon Electric (Great Britain) Ltd., Basingstoke
• Capper Pipe Services Co. Ltd., Woolstone
• Chelton (Electrostatics) Ltd., Marlow
• Computer Controls Ltd., Strand, London
• Computing Devices Co. Ltd., St. Leonards
• Cossor Electronics Ltd., Harlow
• Cramic, Southall
• Cross Manufacturing (1938) Ltd., Bath
• Daniel Doncaster & Sons Ltd., Sheffield
• Davall & Sons Ltd., Greenford
• Decca Navigator Co., New Malden
• Delaney Gallay Ltd., Burton-on-Trent
• Denison and Devi, Burgess Hill
• DIAC Engineering, New Addington
• Digital Equipment Co. Ltd., Ealing
• Dowty-Rotol, Cheltenham
• Dunlop, Coventry
• EASAMS, Frimley
• Electro Mechanisms, Slough
• EMI Ltd., Wells
• ENDEVCO, Royston, Hens
• Fairey Hydraulics, Hounslow
• Ferranti Ltd., Bracknell
• Ferranti Ltd., Edinburgh
• Ferranti Ltd., Manchester
• Fines Tubes, Plymouth
• Flight Refuelling Ltd., Winborne
• Glenair, Mansfield
• Gloster-Saro, Gloucester
• Graviner, Colnebrook, Slough
• Hawker Siddeley Dynamics Ltd., Hatfield
• High Temperature Engineers Ltd,, Fareham
• HML (Engineering) Ltd., Isleworth
• Hunting Engineering Ltd., Bedford
• Hymatic Engineering Co. Ltd., Redditch
• Imperial Metal Industries (Kynoch) Ltd., Birmingham
• Keelavite Hydraulics, Coventry
• Land Pyrometers Ltd., Dronfield
• Litton Precision Products, Slough
• Lucas Aerospace Ltd., Birmingham
• Lucas Aerospace Ltd., Bradford
• Lucas Aerospace Ltd., Hemel Hempstead
• Lucas Aerospace Ltd., Wolverhampton
• Marconi Elliott Avionic Systems Ltd., Basildon
• Marconi Elliott Avionic Systems Ltd., Rochester
• Marshall of Cambridge (Engineering) Ltd., Cambridge
• Marston Excelsior Ltd., Wolverhampton
• Martin-Baker (Engineering) Ltd., Uxbridge
• Memory Devices Ltd., East Molesley
• ML Aviation Ltd., Maidenhead
• Negretti-Zambra Ltd., Croydon
• Louis New mark Ltd., Croydon
• Normalair-Garrett Ltd., Yeovil
• North Bridge Engineering Co. Ltd., Wigston
• Page Engineering Ltd., Sunbury-on-Thames
• Palmer Aero Products Ltd., Burton-on-Trent
• W. F. Parkinson Ltd., Blackpool
• Plessey Co. Ltd., Ilford
• Plessey Co. Ltd., Romford
• Plessey Co. Ltd., Titchfield
• R. & H. Applied Dynamics, Worthing
• River Don Stampings, Sheffield
• ROF, Bridgwater
• Rolls Royce (1971) Ltd., Bristol
• Rosemount Engineering Co. Ltd., Bognor Regis
• Scottish Aviation Ltd., Prestwick
• Serck Ltd., Birmingham
• Singer Co. (U.K.) Ltd., Lancing
• Smiths Industries Ltd., Basingstoke
• Smiths Industries Ltd., Cheltenham
• Solartron, Farnborough, Hants.
• Sperry Rand Ltd., Bracknell
• Sperry Rand Ltd. (Vickers Division) Portsmouth
• Technitron, Camberley
• Teddington Aircraft Controls, Yeovil
• TEM Engineering Ltd., Crawley
• Thorn Automation Ltd., Enfield
• Tridair, London, Middlesex
• Ultra Electronics, Marlow
• Unbrako Ltd., Coventry
• Universal Fisher Engineering Ltd., Crawley
• Vatric Control Equipment Ltd., Morden
• Wandleside Cables Ltd., Dunmurry, Northern Ireland
• Westland Aircraft Ltd., Yeovil
• Woodville Rubber Co. Ltd., Burton-on-Trent
• 3M /UK, London

asked the Secretary of State for Defence if he will give a progress report on the multi-role combat aircraft.

I have nothing to add to the answer I gave to the hon. Member for Chingford (Mr. Tebbit) earlier today.