RE:russian mc-21AA34812 wrote: https://en.wikipedia.org/wiki/Irkut_MC-21 192 orders
https://www.flightglobal.com/news/articles/irkut-confirms-need-to-reinforce-mc-21-wing-436051/
The MC-21 is a questionable example of a better plane than the C-Series;
it has not yet flown and needs a wing reinforcement to pass a 'load test'. April 7th 2017 per above.
Estimates for EIS are for 2020 at the earliest. ????