US FAA issued airworthiness engine certifications for GE's GEnx-2B powering the 747-8 and the CF34-10A for the ARJ21, GE Aviation said. The GEnx-2B engine has accumulated more than 2,600 hr. of testing and more than 4,300 cycles on the ground and in the flying testbed. It began flight-testing on the 747-8 Freighter in February, according to GE, which added that the engine performed "flawlessly" in flight testing, accumulating more than 2,100 flight hr. (ATW Daily News, April ...

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