A prototype Aero A-300 bomber aircraft was built and flew in 1938. The Germans confiscated the prototype.
The A-300 had a maximum speed of 470 kph and was able to accommodate bombload of 1000 kg. It was tested by the Focke-Wulf Plant in Bremen and later scrapped.
Engines: 2 x Bristol Mercury IX, 830 hp
Max speed: 470 kph
Range: 900 to 2200 km
Ceiling: 8300 m
Climb to 5000m: 9 min 4 sec
Empty weight: 3955 kg
Length: 13.5 m