The mounting tempo of new commercial airliner development programs has heaped unprecedented pressure on engine makers to bolster test capabilities and, in particular, to modernize their flying testbeds. For Pratt & Whitney, the introduction of its second Boeing 747SP test aircraft completes more than 10 years of preparations for meeting the daunting challenge of multiple, fast-paced geared turbofan (GTF) test programs. Together with a sistership, which flew the first GTF ...


You must be a paid subscriber to access "MRJ Geared Turbofan Starts Flight Tests On 747SP".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.