GE Aviation began testing the new CF34-10A that will power the ARJ21-700 being built by China Aviation Industry Corp. After a successful break-in run, the engine achieved 70% of its maximum thrust capability of more than 20,000 lb. during an initial test conducted on Oct. 8. The CF34-10A has about 80% commonality with the CF34-10E used on Embraer 190/195 aircraft. It will be certified at up to 18,500 lb. to meet thrust requirements for the 90-passenger ARJ21-700. Certification by US FAA is ...

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