Wooden light jet trainer, powered by a small French Palas turbojet, designed by Stelio Frati and built by an offshoot of the old Caproni company here at Trento. First flown on 20 May 1952 as F-RAIA, the sole F.5 later became MM553 and I-FACT. Unfortunately not on public display in the Caproni museum's storage hangar. Frati later produced the similar Procaer F.400 Cobra and, decades later in Belgium, the Promavia F.1300 Jet Squalus.