 Germany informed the French ambassador in Berlin that Germany would hold France responsible if it supported "the manoeuvres of Moscow" by supporting the Republicans.On 21 August 1936, France signed the Non-Intervention Agreement.However, the Blum government provided aircraft to the Republicans covertly with Potez 540 bomber aircraft (nicknamed the "Flying Coffin" by Spanish Republican pilots), Dewoitine aircraft, and Loire 46 fighter aircraft being sent from 7 August 1936 to December of that year to Republican forces.