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Aviation History
1951
1951 - 1397.PDF
FLIGHT 20 JULY 195 r A Record of Achievement M 9 4 O English Chain of Decca Navigator stations in 24-hour operation. JL94 m Approved by the Ministry of Transport and I.M.R.A.M.N. M94 O The Lane Identification service introduced. Danish Chain of stations completed. M 9 4 9 Approved by the Ministry of Civil Aviation. M 9 O Cr First air trials of the Flight Log: Pictorial Presentation of Position an accomplished fact. M 9 O M One thousand marine and air users. The North British Chain opened: the first million square miles of Decca coverage completed. Air trials of the Integrated Track Range : Distance-Measuring and Track Guide facilities for overseas routes. ' : I.A.T.A. and I.C.A.O. recognize the System. Germany and France building Chains for completion October 1951 and winter 1952. We are proud of this record although we realize with humility that 45 years must pass before we celebrate our own Golden Jubilee. We may claim, however, that the Decca Navigator is already well established in the British Aircraft Industry's tradition of technical leadership: it is the most advanced radio aid to navigation in the world, first in the field with accurate position-fiking at all heights and first to translate the technique of Pictorial Presentation of Position from a drawing-board dream into a practical aircraft instrument. The Decca Navigator Company Limited BEAD OFFICE: 1-3 BRIXTOTt HOAD, LONDON, S.W.9 • Ttlephone: IMUuict 3311 • Telegrams: Decnav Ctaproad London • Cablet: Decnav Under,
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