Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Aero Ae 03 was a prototype Czechoslovakian military reconnaissance aircraft aircraft designed in 1921. It was an ambitious monoplane design, and was completely original to Aero, unlike the firm's licence-built designs from World War I. It was to be equipped with an early turbocharger.