Delta Airlines sends out request for quotation of 400 airplanes

Atlanta-based airline Delta Airlines has sent a request for proposals to several aircraft manufacturers as it looks to purchase up to 400 narrowbody aircraft. According to the Canadian Press, Delta Airlines could order some Bombardier CSeries planes as it plans to purchase 100 to 200 narrowbody aircraft with options for 200 more. It has indicated an interest in considering large, medium and small planes, with deliveries beginning as early as 2013.