What types of aeronautical machines are described above?
Sukhoi Superjet 100 The Sukhoi Superjet 100 (Russian: Сухой Суперджет 100 ) is a modern fly-by-wire twin-engine regional jet with 8 (VIP) to 108 (all economy) passenger seats. With development initiated in 2000, the airliner was designed and spearheaded by Sukhoi, a division of the Russian civil aerospace company (UAC), in co-operation with several foreign partners. Its maiden flight was conducted on 19 May 2008. On 21 April 2011, the Superjet 100 undertook its first commercial passenger flight, on the Armavia route from Yerevan to Moscow.
Flatplane The flatplane or flat-plane is a type of crankshaft for use in engines with a 180 Degree angle between crank throws.