22,000 - 26,500 POUNDS THRUST
The CFM56-5A is the powerplant that powered Airbus' entry into the single-aisle market -- the A320. Entering service in 1988, more than 1,100 engines are in service with more than 40 million flight hours. The -5A maintains dispatch reliability above 99.9%.
|Takeoff Conditions (sea level)|
|Max. takeoff (lb)||25,000||26,500||22,000||23,500|
|In-Flight Performance (installed) (35,000 ft - Mach - 0.80 ISA)|
|Max climb thrust (lb)||5,260||5,260||5,260||5,260|
|Overall pressure ratio at max. climb||31.3||31.3||31.3||31.3|
|Max. cruise thrust (lb)||5,000||5,000||5,000||5,620|
|Fan diameter (in)||68.3||68.3||68.3||68.3|
|Basic dry weight (lb)||4,995||4,995||4,995||4,995|
|Initial development contract||September 1984||Engine certification||August 1987|
|First engine to test (FETT)||January 1986||Entry into service||April 1988|
|First flight on B707 FTB||June 1986|
The CFM56-5A demonstrates an impressive dispatch reliability rate: less than one delay or cancellation per 1,600 aircraft departures due to engine causes for the A320/CFM56-5A association.