Airbus is poised to deliver the first A320 family aircraft powered by upgraded CFM International CFM56-5B PIP (Performance Improvement Package) engines. The upgraded -5B PIP package, originally dubbed the -5BE, will enter service on an A320 scheduled for delivery to LAN Airlines of Chile within the next few days. Prior to certification, the PIP package completed extensive ground testing and over 26 hours of flight testing on the A320, says CFM. The engine, which becomes the new -5B ...


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