MC-21 and C919 compared. Part 2.

By Bjorn Fehrm

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June 08, 2017, ©. Leeham Co: We started the comparison of Irkut’s MC-21 and COMAC’s C919 last week. We compared project time plans, structures and aerodynamics.

Now we continue with the comparison of cabin capacities and systems.


  • The C919 cabin is a slightly longer copy of the Airbus A320 cabin. MC-21 sets new standards for cabins in the single aisle segment.
  • Both aircraft use Western systems to ease development and improve in-service reliability.

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