Engines
CFM Busy Testing New Leap Engines
Last summer in the UAE, the engine maker tested a system for sand particle rejection

CFM is busy testing its Leap family turbofans for the Airbus A320neo and Boeing 737 Max single-aisle jets (respectively the Leap-1A and Leap-1B). The engine-maker, which is a joint venture between GE Aviation of the U.S. and France’s Safran, has delivered the first two Leap-1C propulsions systems, including nacelles, to Comac for its C919. The Leap-1C shares the same turbomachinery as the Leap-1A.

As of October 5, test engines for the three versions have accumulated a combined 5,800 hours on the ground, representing 11,000 simulated flight cycles. On GE’s two Boeing 747 flying testbeds (based in Victorville, California), they have logged 750 flight hours. “They have performed perfectly,” CFM executive v-p François Bastin told AIN.

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