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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
…
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
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