P&W needs to have 4 engine types flying in this year:
http://atwonline.com/aircraft-engines-components/news/pw-begins-mrj-gtf-flight-tests-0502
How many quadjets does P&W need to fly all these engines?
Also, what exactly are the real differences between the PW1100 of A320NEO and PW1400 of MS-21?
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May 4, 2012 at 7:29 pm