Swiss aircraft registry records show that Pilatus Aircraft has been flying two experimental PC-12 turboprops with an upgraded engine and at least one with a new propeller system. The test flights suggest the aerospace manufacturer is working on an upgrade to the PC-12 featuring the higher-power ...

Blackhawk Aerospace, which specialises in turboprop aircraft modifications, has announced its King Air 300 engine upgrade program has received Federal Aviation Administration (FAA) approval. The FAA issued a Supplemental Type Certificate (STC) for the XP67A Engine+ upgrade for both the 14,000 an...