In the closing chapter, DC-8 sales declined to 26 aircraft in 1962, with many deliveries being Jet Trader models rather than the more prestigious passenger versions. Douglas continued to build the ...

Edwards took Douglas DC-8-43 no. N9604Z for a test flight at Edwards Air Force Base in California. The aircraft exceeded Mach 1—the only intentional supersonic flight by an airliner other than ...

Douglas holding a prototype model of the DC-8, circa 1955. [Courtesy ... After a series of short-term positions at other aircraft manufacturers—and with the Signal Corps, he formed the Davis ...