Versions of 14 CFR 135.373 - Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative on LawServer 2024 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2023 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2022 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2021 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2020 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2019 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2016 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2015 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2014 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2010 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative 2009 14 CFR 135.373 – Part 25 transport category airplanes with four or more engines: Reciprocating engine powered: En route limitations: Two engines inoperative