First PC-21 for RAAF’s Aircraft Research and Development Unit

The last four Airtrainers depart RAAF Base East Sale for the final time after passing under a water cannon arch. Commonwealth of Australia/Shannon Shumjski. PC-21 A54-017 (c/n 250, HB-HWQ) is the first of two aircraft for the ARDU. The initial 16 Australian PC-21s were for 2 Flying Training School (2FTS) at RAAF Base Pearce, Western Australia. The ARDU was formed as such in 1947, and relocated to RAAF Base Edinburgh, South Australia, in February 1977. It continues to operate from