10. Bombardier C Series
Cruise Speed: Mach 0.82
Engines: 2
Bombardier C Series is one of the most modern designs on our list. Its creation started in 2004, under the imaginative name New Commercial Aircraft Program. Bombardier tasked Gary Scott with the supervision and evaluation of the new design, which was offered to the airlines in 2005. The production was planned to start in 2013, however, financial difficulties postponed that date several times. The future of C-series was hanging in the balance, but it was saved by the Canadian government’s bailout. Finally, the first customer, Swiss Global Air Lines, received its order of three CS100 airliners in 2016.