The S (Superiore) variant of the Ba.15 was aerodynamically refined and first flew in October 1929 according to a German source. The engine was often a seven-cilinder Walter Venus radial but here it is a nine-cilinder Walter NZ-120. Italian air force photo. Photo from: Dan Shumaker collection
This photo was added on 18 November 2023, and has since been viewed 248 times.