Initial flight of the de Havilland Comet, the first jet-powered airliner.

De Havilland Comet

First commercial jet airliner, four-engined

The de Havilland DH.106 Comet is the world's first commercial jet airliner. Developed and manufactured by de Havilland in the United Kingdom, the Comet 1 prototype first flew in 1949. It features an aerodynamically clean design with four de Havilland Ghost turbojet engines…