Fw 190 A-9 The last A-model produced, first built in September 1944, the A-9 was fitted with the new BMW 801S rated at 2,000 PS (1,973 hp, 1,471 kW); the more powerful 2,400 PS (2,367 hp, 1,765 kW) BMW 801F-1 was still under development, and not yet available.