1949 Comet- First Commerical Jet Unveiled
On July 27th, 1949, De Haviland unveiled the DH-106 Comet aircraft. The plane was a 36 passenger jet aircraft. Its cruising speed was 490 MPH. The Comet entered service in 1952, but within the first year three crashed. A number of modifications were made and a total of 114 were built. The last Comet flew for the Royal Air Force in 2011.