(19)

(11)

EP 0 876 276 A1

(12)

(43) Date of publication: 11.11.1998 Bulletin 1998/46 (21) Application number: 97900358.0 (22) Date of filing: 16.01.1997

(51) International Patent Classification (IPC):  B64C 1/ 12( . ) B64C 1/ 14( . ) (86) International application number: PCT/GB1997/000111 (87) International publication number: WO 1997/026184 (24.07.1997 Gazette 1997/32)

(84) Designated Contracting States: DE ES FR GB IT NL SE (30) Priority: 17.01.1996 GB 19960000924 (71) Applicant: BRITISH AEROSPACE PUBLIC LIMITED COMPANY Farnborough, Hants. GU14 6YU (GB)	(72) Inventors: SHELTON, Wayne, Peter Woodford, Cheshire (GB) ALLWRIGHT, Stephen, Edward Woodford, Cheshire SK7 1QR (GB) (74) Representative: Edis, Ronald Malcolm, et al  British Aerospace plc Group IP Department Lancaster House P.O. Box 87 Farnborough Aerospace Centre Farnborough, Hampshire GU14 6YU Farnborough, Hampshire GU14 6YU (GB)