CFM LEAP-1A Technical Facts

  • CFM LEAP-1A is produced by CFM International (GE Aerospace / Safran) with a maximum takeoff thrust of 32,160 lbf.
  • Features an ultra-high bypass ratio of 11.0:1 and a fan diameter of 78 inches.
  • Achieves a fuel burn delta of -15% vs CFM56-5B relative to previous-generation powerplants.
  • Currently installed on an estimated 3,450 active commercial aircraft worldwide (58.5% market segment share).
  • Standard equipment on aircraft families including: Airbus A319neo, Airbus A320neo, Airbus A321neo, Airbus A321LR, Airbus A321XLR.

Engineering & Performance Specifications

Engine Architecture High-Bypass Turbofan
Takeoff Thrust 32,160 lbf
Bypass Ratio 11.0:1
Fan Diameter 78 in (198 cm)
Fuel Efficiency Delta -15% vs CFM56-5B
Segment Market Share 58.5%

Airframe Applications

Aircraft Model Aircraft Category Propulsion Type Option Status
Airbus A319neo Commercial Jet Transport High-Bypass Turbofan Certified / In-Service
Airbus A320neo Commercial Jet Transport High-Bypass Turbofan Certified / In-Service
Airbus A321neo Commercial Jet Transport High-Bypass Turbofan Certified / In-Service
Airbus A321LR Commercial Jet Transport High-Bypass Turbofan Certified / In-Service
Airbus A321XLR Commercial Jet Transport High-Bypass Turbofan Certified / In-Service