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A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines. Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, jet engines achieve maximum efficiency at speeds close to or even well above the speed of sound .
Whereas jet aircraft use the atmosphere both as a source of oxidant and of mass to accelerate reactively behind the aircraft, rocket aircraft carry the oxidizer on board and accelerate the burned fuel and oxidizer backwards as the sole source of mass for reaction. Liquid fuel and oxidizer may be pumped into a combustion chamber or a solid fuel ...
The early jet airliners had much lower interior levels of noise and vibration than contemporary piston-engined aircraft, so much so that in 1947, after piloting a jet powered aircraft for the first time, Wing Commander Maurice A. Smith, editor of Flight magazine, said, "Piloting a jet aircraft has confirmed one opinion I had formed after flying ...
Jet aircraft use airbreathing jet engines, which take in air, burn fuel with it in a combustion chamber, and accelerate the exhaust rearwards to provide thrust. Different jet engine configurations include the turbojet and turbofan, sometimes with the addition of an afterburner. Those with no rotating turbomachinery include the pulsejet and ramjet.
العربية; Aragonés; Azərbaycanca; বাংলা; 閩南語 / Bân-lâm-gú; Беларуская (тарашкевіца) Català; Dansk; Español
As of July 2024 Embraer has delivered 3034 regional jets, between the ERJ family and the still in production E-Jet/E-Jet E2 [1] [2] The Sud Aviation Caravelle short-haul jet airliner was the first regional jet introduced in 1959 The Yakovlev Yak-40 was introduced in 1968 The Fokker F-28 was introduced in 1969 and was followed by the stretched Fokker 100 in 1988 and its Fokker 70 shrink in 1994.
The Jet Age is a period in the history of aviation defined by the advent of aircraft powered by jet turbine engines and the social and cultural changes fostered by commercial jet travel. Jet airliners were able to fly higher, faster, and farther than older piston ‑powered propliners , making transcontinental and intercontinental travel ...
Such aircraft are most often operated by airlines. The modern and most common variant of the airliner is a long, tube shaped, and jet powered aircraft. The largest of them are wide-body jets which are also called twin-aisle because they generally have two separate aisles running from the front to the back of the passenger cabin.