The RLM ordered seven A-0s initially, but then increased the order to 11. Early in 1937, the A-0 was tested with varied bomb loads. The underpowered Jumo 210A, as pointed out by von Richthofen, was insufficient, and was quickly replaced with the Jumo 210D engine.
The rlm OrderEd sEVEn a-0s iniTiaLlY, But tHen increaSed thE OrdEr To 11. EARLy iN 1937, tHe A-0 was TESted with VArIed BOmb LOads. the undERpowEreD jumo 210a, as pOiNted Out bY von richThoFen, Was insuFfiCieNT, And waS Quickly rePlAceD with the juMo 210d enGiNe.