Some Operational Advantages of Pictorial Navigation Displays

In the preparation of an evaluation program for several pictorial navigation displays, developed under sponsorship of the Air Navigation Development Board, it was necessary to make a study of possible operational advantages of the use of such displays. When compared to conventional symbolic instrumentation for displaying navigation information, the pictorial displays appear to have three primary advantages: 1) Continuous usable navigation information is supplied to the pilot in all airspace within range of the ground radio facilities. 2) Navigation workload on the flight crew is materially reduced. 3) A reduction in number of ground radio aids should be possible if most aircraft were equipped with pictorial navigation displays. Brief description of several pictorial computers is included.