“Experimental” Pilatus PC-7 Mk II undergoes pre-flight tests

A new version of Pilatus’ PC-7 Mk II has been spotted undergoing pre-flight tests in Stans, Switzerland. Registered as HB-HHH (c/n: 1000), the aircraft is listed as “experimental” on the Swiss Aircraft Registry.

It features a new Pratt and Whitney Canada XPT6A-25C turboprop engine, along with a new HC-D4N-2E/ D9512AK propeller, produced by Hartzell Propeller Inc.

Pilatus PC-7 Mk.II (Experimental) - Stephan Widmer
HB-HHH (c/n: 1000) undergoing its latest pre-flight tests on 4th September in Stans, Switzerland. Image: Stephan Widmer.