Piper Aircraft, known for its design conservatism, broke the mold when it earned certification of its PA-42-1000 Cheyenne IV in 1984, soon thereafter renamed the Cheyenne 400LS when Lear Siegler ...

MT-Propeller has flight tested an 11-bladed propeller on a Piper PA-31T Cheyenne twin turboprop. The NTSB issued an urgent recommendation concerning unsafe wiring on Piper PA-31T Cheyennes that might ...

Jettech, the aviation systems design firm that specializes in developing Reduced Vertical Separation Minimum (RVSM) aftermarket solutions, has been awarded an STC for installation of a glass cockpit ...