There were high hopes for high-speed travel with the Turbo Train, but it was unable to deliver.
New twin turbine certifications include the Cessna 425, King Air 90 series,as well as Piper Cheyenne I and II aircraft “This significant update to TXi EIS allows twin turboprop owners and operators to ...
Pratt & Whitney Canada pursues FAA certification for PT9A-11 turboprop and PW220A turboshaft engines
Pratt & Whitney Canada (P&WC) is still working on a new turboprop engine called the PT9A-11 and is also continuing to seek certification of a new helicopter turboshaft powerplant called the PW220A.
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