1. Concorde — 2021-08-20 11:08:12

   …title="Concorde in flight" width="500" }} Concorde is the only successful turbojet-powered **supersonic** passenger jet airliner. With a maximum speed at over **twice the speed of sound** at Mach 2.04 or 1,354 mph at cruise altitude. First flown …

2. Jet airliner — 2020-11-30 22:29:36

   …Jet airliner :: === de Havilland Comet 1952 === ~-[[CategoryTransport]]:[[1900s]] {{image url="De-Havilland-Comet-DH106.jpg" class="…
   …right" title="De Havilland Comet DH106" width="400" }} The world's first purpose-built **jet airliner** was the **British de Havilland Comet** which first flew in 1949 and entered service in 1952. The **DH 106 Comet** wa…

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