It will be difficult to modify current aircraft instrument panels to accommodate all new information required to operate within an increasingly complex air traffic control system. Cathode Ray Tube (CRT) and computer technologies have reached the stage where current flight and engine instruments can economically be replaced by computer-controlled CRT displays. This provides a tremendous opportunity for flexibility to the cockpit display designer, but the use of this flexi¬bility should stay within the realities of the flight environment. This report describes one approach to the replacement of flight instruments, using three separate color CRT's. Each CRT displays information pertinent to one of the three orthogonal projections of the aircraft flight situation. Three airline pilots made a preliminary assessment of this display set. Comments, rankings, and ratings show that, in general, the pilots accepted the concept of pictorial flight displays.
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