(19)

(11)

EP 0 629 166 A1

(12)

(43) Date of publication: 21.12.1994 Bulletin 1994/51 (21) Application number: 94904225.0 (22) Date of filing: 05.01.1994

(51) International Patent Classification (IPC):  G01P 5/ 00( . ) G01P 5/ 14( . ) B64D 45/ 00( . ) G01P 13/ 02( . ) (86) International application number: PCT/GB1994/000016 (87) International publication number: WO 1994/015832 (21.07.1994 Gazette 1994/17)

(84) Designated Contracting States: AT BE DE ES FR IT NL SE (30) Priority: 08.01.1993 GB 19930000305 (71) Applicant: SHORT BROTHERS PLC Belfast BT3 9DZ, Northern Ireland (GB)	(72) Inventor: KUNDU, Ajoy Kumar Bangor BT19 IRY (GB) (74) Representative: Meeks, Frank Burton, et al  BREWER & SON Quality House Quality Court Chancery Lane London WC2A 1HT London WC2A 1HT (GB)