The Learjet 70/75 are the latest development program. The light business jet is being introduced in anticipation of business aircraft recovery predicted by Bombardier. These models feature new avionics, winglets and powerful engines that use less fuel. The airframe is based on the Learjet 40 and 45 models with modifications to improve performance. The Learjet 75 received its type certificate from the FAA on 14 November 2013 and deliveries began shortly thereafter.AIDC is responsible for the supply of the Empennage, including the Vertical Stabilizer, Elevators, Rudder, bullet Fairing and Delta Fins.