CFM56-5C History |
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In its class, the Airbus A340/CFM56-5C offers the lowest noise signature in commercial service. Supported at its entry into service in 1993 by the CFM56 family's more than 40 million engine flight hours of experience, the CFM56-5C has an excellent reliability rate—a hallmark of the CFM56 family. Other versions of the CFM56 are also in service on the A320, providing airlines that operate A320/A340 mixed fleets a valuable commonality benefit due to reduced inventories and spare parts levels. To maximize overall performance and profitability for airlines, CFM offers the CFM56-5C as a total propulsion system: engine, nacelle, and exhaust systems.
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CFM56-5C Development Timeline
| Initial development contract |
4Q 1987 |
| First engine to test (FETT) |
December 1989 |
| First flight on B707 FTB |
August 1990 |
| CFM56-5C certification at 31,200 and 32,500 lb T/O thrust |
December 1991 |
| A340/CFM56-5C entry into service |
February 1993 |
| A340/CFM56-5C circles the world with only one stop |
June 1993 |
| CFM56-5C4 certification at 34,000 lb |
October 1994 |
| CFM56-5C4 entry into service (A340 at 257 tons) |
March 1995 |
| CFM56-5C4 entry into service (A340 at 271 tons) |
April 1996 |
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