May 18, 2017

GE begins GE9X certification testing

GE Aviation began GE9X engine certification tests at its Peebles Test Operation (PTO) in Ohio. The GE9X will power Boeing’s new 777X aircraft. The first round of GE9X certification tests are being conducted on the second GE9X production-configured powerplant built by GE. To prepare for the certification program, trials of the first full engine to test (FETT) GE9X engine commenced in March 2016, generating critical data on the full engine system and aerodynamic performance, mechanical verification, and aero thermal system validation. Testing of the FETT engine concluded earlier this year with a series of preliminary natural-icing tests at PTO, where the GE9X ran more than 50 test points, accumulating 168 hours and 162 cycles. As the second GE9X engine begins testing at PTO, assembly of the third and fourth GE9X engines is well underway at GE Aviation’s headquarters in Evendale, OH. The fourth GE9X engine is slated for installation and flight tests aboard GE’s 747-400 Flying Test Bed flown out of GE’s Mojave Desert facility in Victorville, CA, before the end of this year.



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