Aircraft engine maker Pratt & Whitney Canada (P&WC) will provide maintenance, repair and overhaul (MRO) services to the PW127M engines powering the ATR turbo prop fleet of the newly launched regional carrier Fly91 as part of a multi-year service pact. A brand under Just Udo Aviation Pvt Ltd, Fly91 commenced commercial operations from earlier this month on regional routes with two leased ATR 72-600 planes with Goa as its base.