Multirole 747SP to take on business jet, geared turbofan and turboprop flight tests
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 ...
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