LEAP family
CFM International LEAP high-bypass turbofan family for the single-aisle market. Its exact LEAP-1A, LEAP-1B, and integrated LEAP-1C branches power the Airbus A320neo, Boeing 737 MAX, and COMAC C919 families, with maximum takeoff thrust of approximately 28,000–33,000 lbf; exact variants and installations are modeled separately.
Identity
- Domains
- aviation
- Identity Level
- family
- Kind
- turbofan
- Name
- LEAP family
- Status
- active
Details
- Air Breathing Specs
- Max Thrust Kn
- 146.79
- Description
- CFM International LEAP high-bypass turbofan family for the single-aisle market. Its exact LEAP-1A, LEAP-1B, and integrated LEAP-1C branches power the Airbus A320neo, Boeing 737 MAX, and COMAC C919 families, with maximum takeoff thrust of approximately 28,000–33,000 lbf; exact variants and installations are modeled separately.
- Developers
- Lineage
- Note
- LEAP succeeded CFM56 within the same CFM co-development organization while remaining a distinct marketed family.
- Related Propulsion System
- Relationship
- technology-derived-from
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- CFM International
- Title
- About CFM International
- Manufacturers
Assets & Meta
- Creation Time
- July 29, 2026 at 10:01:07 UTC
- Updated Time
- August 15, 2026 at 23:29:23 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- CFM International
- Title
- About CFM International
- Accessed Date
- 2026-07-29
- Publisher
- European Union Aviation Safety Agency
- Title
- CFM co-development certification responsibility