9 Air places $3.7bn CFM engine order for 50 Boeing 737 aircraft

China’s 9 Air has ordered CFM International’s LEAP-1B engine to power 30 Boeing 737 MAX aircraft, in addition to CFM56-7B engines to power 20 Next-Generation 737s. CFM values the order at $3.7bn at list price, including spare engines and a long-term service agreement. The airplane orders were previously announced. Under the terms of the Rate per Flight Hour (RPFH) agreement, CFM will guarantee maintenance costs for all 105 LEAP-1B and CFM56-7B engines on a dollar per engine flight hour basis.