Canadian planemaker Bombardier announced here Sunday the launch of a line of single-aisle jets, scheduled to enter into service in 2013.
The approximate list price of each CSeries aircraft, with seating five abreast, is 46.7 million dollars (29.4 million euros).
German carrier Lufthansa has signed a letter of interest for up to 60 aircraft, including 30 options, Bombardier said.
The biennial Farnborough International Air Show, outside London, gets underway Monday.
Oil-producing Gulf states are expected to make large orders for commercial planes at the week-long event thanks to extra revenue generated from soaring crude prices, which Friday struck record heights above 147 dollars a barrel.