First flown in 1924, the S.IV was the standard elementary trainer in the Dutch army air force. This aircraft has been refitted with a 130-hp Armstrong-Siddeley Mongoose engine. It is seen with another S.IV, 116, and two Fokker C.1 advanced trainers, 500 and 539. Photo from: Bodo Sandberg collection
This photo was added on 7 February 2019, and has since been viewed 83 times.