The Parnall Panther was a British carrier based spotter and reconnaissance aircraft designed and developed by Parnall and Sons in the latter years of World War I, continuing in service until 1926. A total of 150 Panthers were built by Bristol Aeroplane Company since after the end of World War I Parnall had stopped aircraft manufacture.

The Bentley B.R.2 was a nine-cylinder British rotary aircraft engine developed during the First World War by the motor car engine designer W. O. Bentley from his earlier Bentley BR.1. The BR.2 was built in small numbers during the war, its main use being by the Royal Air Force in the early 1920s.