The film begins with shots of aeroplanes A 12 prepared in a hangar for the strength tests. With bags of sand the workers step by step weight up the wings of the aeroplane. With more layers of weights,...
preparation of wooden construction for testing airplane´s girders
Generals Stanislav Čeček and František Kolařík (on the right)
loading test of the plane´s fuselage
bags with sand prepared for testing
close detail shot of airplane´s motor