This is special modified aircraft for Everest expedition. It was bought and sponsored by Lady Houston (widow of Sir.R.Houston). Two aircraft were prepared PV6 (G-ACBR) and PV3 (G-ACAZ). They were equipped with augmented Bristol Pegasus IS.3 engine. On 3rd April 1933 these two airplanes flew over Everest. Pilots: Sqn. Ldr. Clydesdale, Flt. Ltn. D.McLntyre. Observers: Сol. S.Blacker и Mr. R.S.Bonnet.
Source: NOVO/FROG kit