StandardAero, a maintenance, repair and overhaul provider based in Scottsdale, Arizona has signed a four-year contract to support the Pratt & Whitney Canada (P&WC) APS2300 auxiliary power unit (APU) maintenance, repair and overhaul (MRO) services for S7 Airlines’ fleet of E-Jet E170 aircraft. All services will be provided at StandardAero’s Maryville, Tennessee, facility.