Project suppliers contributed beyond estimation to the aircraft and developing Sukhoi Civil Aircraft Company competences:
Avionics: THALES; Flight control system: LIEBHERR (with Russian partner – Teploobmennik); Environmental control system: LIEBHERR; Landing gear: MESSIER DOWTY; Fuel system: INTERTECHNIQUE (ZODIAC); Interior: B/E AEROSPACE; Fire protection system: AUTRONICS (CURTISS WRIGHT); Oxygen system: B/E AEROSPACE; Auxiliary power unit: HONEYWELL; Crew seats: IPECO; Hydraulic system: PARKER; Electrical system: HAMILTON SUNDSTRAND; Engine vibration sensors: VIBRO-METER; Wheels, brakes: GOODRICH
Major subcontractors include Boeing Commercial Airplanes, Ilyushin, Yakovlev, and PowerJet. Boeing provides consulting in such areas as project management, market planning, certification and customer support. Snecma is providing some level of funding for the project...