What is the lightest commercial jetliner out there? I was thinking of something like a Embraer E170.

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    $\begingroup$ Does "commercial jetliner" mean a turbojet or turbofan aircraft in current use for scheduled passenger flights? $\endgroup$ – Pondlife Jun 1 '19 at 22:12
  • $\begingroup$ @Pondlife: Is there something else it would mean? $\endgroup$ – Sean Jun 1 '19 at 23:30
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    $\begingroup$ @Sean I don't know, hence the question :-) Especially if you don't know much about aviation, a "jet" could be almost anything. I once saw an article in Indian English that referred to a pilot "hovering" over Delhi in "a jet". She was actually flying a C150. $\endgroup$ – Pondlife Jun 1 '19 at 23:36
  • $\begingroup$ The smallest jet used in scheduled airline service that I am aware of is the Beechjet, but the service was stopped sometime last year, I believe. $\endgroup$ – J Walters Jun 4 '19 at 2:18

I assume that you want to only compare turbofan-powered aircraft, and exclude aircraft designed to be used as private jets.

In that case, the lightest would be Dornier 328 Jet with a basic operating empty weight of 9200kg, and the next would be Embraer 135 measuring 11402 kg.

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  • $\begingroup$ The 328Jet was really hurt by the low service ceiling of 35000 and the low cruise speeds of just over 400kt. They were often forced down below 30000 ft on busy routes because they interfered with spacing, being overtaken by other jets. $\endgroup$ – John K Jun 2 '19 at 4:57
  • $\begingroup$ Dornier made a 328 turboprop, then the jet version, shame they could not get a bit more thrust into it, not enough $$$ per flight with only 35 passengers. Just not as efficient as a larger aircraft, but I would look into more modern fans. $\endgroup$ – Robert DiGiovanni Jun 2 '19 at 17:43

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