Home›Airliners and Commercial Jet Aircraft›Engine ClassBrowse ByEngine ClassFactsEngine ClassSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1950 1Engine ClassJetEngine Class43 entriesPistonEngine Class27 entriesTurbopropEngine Class18 entriesSources1. Wikipedia: Jet airlinertier 2WikipediaJet airliner, lead section, 1950s turbojet sentenceQuote, Jet airliner, lead section, 1950s turbojet sentenceThe first jetliners, introduced in the 1950s, used the simpler turbojet engine; these were quickly supplanted by designs using turbofans, which are quieter and more fuel-efficient.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.