India’s low-cost giant IndiGo has selected CFM International’s LEAP-1A engines to power its narrowbody fleet of 310 A320neo, A321neo, and A321XLR aircraft in the pipeline.

The move follows a long-term engine service agreement for 280 A320neos in 2019. The new deal includes 620 new installed engines and associated spare engines, and a multiyear service agreement. Combining the two deals, IndiGo has secured engine services for a total of 590 A320neo family aircraft.

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The airline is currently operating seven A320neos and 15 A321neos with LEAP-1A engines, and the agreement with CFM cements engines and service agreements for aircraft to be delivered from 2023 onwards.

“We are pleased to extend our partnership with CFM for our next batch of Airbus A320neo, A321neo and A321 XLR aircraft,” said Riyaz Peermohamed, chief aircraft acquisition and financing officer of IndiGo.

“The introduction of the CFM LEAP engines in our fleet will allow us to maintain our strong focus on lowering operating costs and delivering fuel efficiency with high standards of reliability,” he added.