Harley Y.M. Liu, Director, ATS Division, CAA, Republic of China. ... The inside surfaces of both glass panes are lined with almost invisible parallel wires spaced about 60 to the inch. ... An aeronautical chart or topographical chart can be slipped into a slot directly behind the glass to form the geographical background for the PPl display. ... The speed and efficiency of turboprop aircraft will be increased significantly with the adoption of new multi-blade propeller fans with swept-backanbsp;...
|Title||:||The Journal of Air Traffic Control|