Standardized Racking for Aircraft Electronic Equipment: Details of the Units Produced by Smiths Aviation Division in Accordance with ARINC Spec. No. 404

THE need to reduce the size and weight of airborne equipment has always been of paramount importance and becomes more pressing with each successive generation of aircraft. The demands made in this respect on electronics manufacturers arc, and always have been, particularly exacting, and this is due to the fact that, in addition to the essential flight control system on which a modern aircraft relies, there is an ever‐increasing number of electronic communication, navigation and other aids to safe flight, many of which are mandatory, to be installed.