<prompt> Nyorai kupfuurira kweiyi ndima - Zvisinei, musi wa21 October 1937, Petlyakov akasungwa pamwe chete naTupolev nedare rose reTsAGI pamhosva dzisina kururama dzokuparadza, utsori uye kubetsera Bato reRussia reFascist. Vakawanda vavaishanda navo vakaurayiwa. Muna 1939 akatamisirwa kubva kujeri kuenda kuNKVD sharashka yevagadziri vendege padyo neMoscow, uko vazhinji vaimbove vanhu veTsAGI vakanga vatotumirwa kunoshanda. Petlyakov akapiwa basa rokugadzira ndege yokurwisa yakakura, iyo akabudirira kuita. Zvisinei, ruzivo rwokubata muHondo yeSoviet-Finnish  <response>: 1939-1940 yakaratidza kuti ichi chaisava chii Soviet Air Force aida, uye Lavrentiy Beria, mukuru NKVD uye sharashka hurongwa, akarayira kuti murwi kuti redesigned somunhu vanobhururuka bhomba, pamwe vimbiso kuti Petlyakov uye nevamwe vake vaizova asunungurwa pamusoro kwayo kubudirira kupera. 