Sukhoi S-54 Sukhoi S-54 The Sukhoi S-54 was a series of three closely related aircraft proposals; the S-54 trainer aircraft, S-55 light fighter designed for export, and the S-56 carrier-capable light fighter. All members of the family resemble the Sukhoi Su-27 in general form, or the Sukhoi Su-33 more closely, but built around a single example of the Saturn AL-31 engine instead of two, and scaled down accordingly to a smaller layout. The design was offered to several potential customers, including South Africa and India, but was turned down. Development is apparently on hold, awaiting a launch customer. The project traces its
Sukhoi Superjet 100 PD-14 engine could be developed; and Russian inertial navigation system and APU could replace Honeywell's; the landing gear produced by Safran would also need to be replaced. Russian content should double to 30% as US restrictions limit its export potential. Sukhoi forecasts 345 sales from 2018 to 2030, mostly in post-Soviet states and some in south-east Asia and Latin America, including an improved range business jet version. Sukhoi expects to produce 30 SSJs in 2018, as in 2017. The seating capacity is to be raised to 110, and hot and high operations to 4000 m and 50°C. A freighter variant