Complex sentence: The F.5 aircraft was designed by Stelio Frati based on his earlier glider work, it was a low-wing all-wood monoplane with a retractable tricycle landing gear.
Split into simpler sentences: The F.5 aircraft was designed by Stelio Frati based on his earlier glider work. It was a low-wing all-wood monoplane with retractable tricycle landing gear.