<prompt> Bhala okuqhubekayo kwalesi sigaba - Nokho, ngo-October 21, 1937, uPetlyakov waboshwa kanye noTupolev kanye nabo bonke abaqondisi be-TsAGI ngezinsolo eziqanjiwe zokucekela phansi, ukuhlola nokusiza i-Russian Fascist Party. Ozakwabo abaningi babulawa. Ngo-1939 wasuswa ejele wayiswa e-NKVD sharashka yabaklami bezindiza eduze kwaseMoscow, lapho abantu abaningi ababengama-TsAGI base bethunyelwe khona ukuyosebenza. UPetlyakov wanikezwa umsebenzi wokuklama indiza yokulwa ephezulu, ayifeza ngempumelelo. Nokho, okuhlangenwe nakho okusebenzayo eMpini yaseSoviet-Finnish  <response>: Ngo-1939-1940 kwabonisa ukuthi lokhu kwakungeyona lokho Air Force Soviet edingekayo, futhi Lavrentiy Beria, inhloko NKVD kanye sharashka uhlelo, wayala ukuthi fighter kabusha njengoba dive webhomu, ngesithembiso sokuthi Petlyakov kanye nozakwabo kwakuyokwenza kudedelwa ekuqedeni ngempumelelo yayo. 