Although originally built for the USAAF, BFV is unusual in having a RH pax door, normally only found on some pre-WW II civil models. Possibly installed when in United Airlines service. After retirement, the wings were sold in the US with the rest staying on at CYWG. This caused some confusion as traces of the registration were visible when they were used on another air-frame.
This photo was added on 22 November 2019, and has since been viewed 173 times.