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Aviation History
1961
1961 - 1351.PDF
FLIGHT, 14 September 1961 SYSTEM SURVEY Doppler for Mirage III MARCONI Aeronautical Division announces that the French Govern-ment has placed a substantial order for the supply of AD 2300-series Doppler navigators, together with specially designed navigationcomputers for installation in Mirage III fighters. Marconi Doppler, together with Sperry twin-Rotorace gyro platforms already formthe basis of the navigation system in the Mirage IV supersonic strike aircraft. Midas Forges Ahead ANNOUNCED during the SBAC Show was an order from BritishAircraft Corporation for Royston Instruments Midas flight and maintenance recorders to be fitted in VC10 jet airliners. This marksthe first production order for an ejecter-type recorder to solve catastrophic accidents in civil aircraft. In addition to the ejectedportion which records operation of major systems in the aircraft for a relatively short time prior to an accident, some 270 parts of theaircraft will be monitored and recorded for maintenance analysis and immediate fault-tracing. The ejected portion carries flotationdevices, a homing beacon and marker dye. Strategic Air Command are already using a non-ejectable Midasrecorder on routine missions and TCA are carrying out a full evalu- ation in a DC-8, which will be reported to IATA. BU A are similarlyfitting a Britannia; and a smaller recorder for 90 parameters has already been recommended for use in the flight-test programme ofthe BAC One-Eleven. MoA Approves Small Radios A GROWING number of American small radios for light aircraft isnow receiving Class 1 approval from MoA, which means that the equipment is accepted for airways flying. A. J. Whittemore(Aeradio) at Biggin Hill, who are an approved Narco warranty service station and distributors for Britain, received Class 1approval for the 18oz Narco MBT marker receiver in May and for the Narco Mark V in July. The King 90-channel communicationsradio is now in Class 1, and the remainder of the King series can be expected to receive approval as well. Joint King Radio distributorsin Britain are Vigors Aviation and Airwork Services Ltd. The range of Motorola VHF radios handled in Britain by SmithsAviation Division also have Class 1 approval. Most recent addition to Class 1 is the Motorola ADF-T-12 radio compass, the onlyexample of the miniature ADFs to have been so approved. The only modification required by MoA was the addition of a tuningmeter to improve sensitivity. This was considerd necessary because of the low transmission powers of British NDBs. ADF Improvements Sell Well THE new sub-units for the Marconi AD 7092 ADF, described inthese columns on April 20, have been selling well. BEA are fitting 455 The rear-viewing periscope which is to be fitted to the VCIO to allow the crew to inspect the rear of the aircraft. Fitting in the same socket as the periscopic sextant near the navigating officer's position, the device will allow direct visual inspection from the top of the fin to the engine intakes. Magnification is nearly two-power and the field of view is 20: the new a.c. power unit to all their AD 7092Ds and have alreadyordered 100 units. Alitalia. Austrian Airlines, Indian Airline Corporation, Turkish Airlines, BUA and the Finnish Air Forcehave also placed substantial orders. TCA have ordered 120 of the new transistorized switching units for their AD 7092Gs; and BUA,Austrian Airlines, Indian Airline Corporation and Cunard-Eagle have also ordered them. AD 7092 was put into production twelveyears ago and more than 3.500 of them are still serving airlines and air forces. Handing Over ACCESS LATE last month Motorola and General Precision handed over tothe Federal Aviation Agency the first equipment for a new data link called Aircraft Communications Electronic Signalling System(ACCESS). Using normal voice radio channels, ACCESS will allow high speed transmission of routine traffic control messagesbetween the ground and aircraft. Messages concerned with aircraft identification, weather information and flight clearances would beselected by push-button and presented in visible form at the receiving station. Doppler for REAL REAL Airlines have ordered Canadian Marconi CM A-623 Dopplersensers for their Convair CV-900 jet airliners. This latest order brings the number of airlines using CMC Doppler to ten. Repeatorders have already been received, as well as military orders from the United States and Canada. Czechoslovak Precision Approach A THIRD ILS installation has been ordered by the CzechoslovakGovernment from Pye Telecommunications Ltd, this time for in- stallation at Bratislava international airport. The first two Pyesystems were installed at Prague international airport. The value of Pye equipment supplied to Czechoslovakia now exceeds £100,000,the latest order including some transistorized radiotelephones for use on Czechoslovakian airfields. G.E.C. and Storno-Southern FROM September 4 Storno-Southern Ltd took over the marketing,servicing and installation of G.E.C. mobile radio equipment. An office with sales and servicing facilities and a spares depot haveaccordingly been opened at 2 Arbury Avenue, Coventry. G.E.C. are continuing to manufacture their range of amplitude-modulatedequipment and Storno-Southern already manufacture a range of frequency-modulated equipment. Raytheon-EIsi AG UNDER the above name a new company has been formed withheadquarters at 1 Alpenstrasse, Zug, Switzerland, to sell com- ponents manufactured by Raytheon and Elettronica Sicula ofPalermo. Raytheon-Europe AG holds a 51 per cent interest in the new company, the remainder being held by La Centrale FinanziariaGenerate SpA. Products to be marketed include microwave, receiving and industrial tubes; transistors, diodes and semi-con-ductor devices; rectifiers; and magnetic and electro-magnetic components. Hughes Aircraft Frescan 3-D radar which is being installed on the Italian missile cruiser "Garibaldi." The radar remains in a fixed attitude relative to the ship structure and scans electronically. Ship motion is compensated by a special electronic system in the radar. More than 20 American missile destroyers and cruisers already carry Frescan
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