from Q3 Management’s Discussion and Analysis
"In June 2016, Air Canada and Bombardier Inc. (“Bombardier”) finalized a purchase agreement which includes a firm order for 45 Airbus A220-300 aircraft (formerly called Bombardier C-Series CS300 aircraft) and options for an additional 30 Airbus A220-300 aircraft. Deliveries are scheduled to begin in late 2019 and extend to 2022."