Inflight view of de Havilland Canada DHC-7 Dash 7, c/n 1, registration C-GNBX built in 1975. The four engines are Pratt & Whitney Canada PT-6A-50 engines each of 1,240 HP. A major design feature of the DHC-7 is to be a quiet airplane. Fifty passengers. B&W, about 223K, Adde...