In 1926, the Ministry of National Defense (MNO) issued a request for a long-range reconnaissance and medium bomber aircraft.

This led to redesigns, including the tail surface, wing reinforcement system and landing gear, so that prototypes weren't considered complete until the summer of 1927.

The public unveiling, organized by the Aeroclub of the Czechoslovak Republic, took place at the 4th International Air Show in Prague on 4–19 July 1927.

[3] Antonín Duchek set a national record flying an A.30 equipped with a Skoda L 500 hp (367 kW) engine on 23 July 1929.

[4] Iran Data from Jane's all the World's Aircraft 1928 [7]General characteristics Performance Armament