Whakakiia te rerenga e whai ake nei: Heoi, i te 21 o Oketopa 1937, i hopukina a Petlyakov me Tupolev me te tari katoa o te TsAGI i runga i nga whakapae whakapae mo te patu, te tutei me te awhina i te Rōpū Fascist o Ruhia. He tokomaha o ana hoa mahi i whakamatea. I te tau 1939 i nekehia ia mai i te whare herehere ki te NKVD "sharashka" mo nga kaihoahoa rererangi i te taha o Moscow, i tukuna ai nga tangata o TsAGI ki te mahi. I whakawhiwhia a Petlyakov ki te mahi hoahoa i tetahi kaiwhawhai teitei-teitei, i tutuki pai ia. Heoi, ko te wheako whakahaere i roto i te
Ko te Soviet-Finnish War o 1939-1940 i whakaatu ehara tenei i te mea e hiahiatia ana e te Soviet Air Force, a ko Lavrentiy Beria, te upoko o te NKVD me te punaha "sharashka", i whakahau kia whakahoutia te kaiwhaiwhai hei kaipatu pahū, me te oati ka tukuna a Petlyakov me ona hoa ki te whakaoti angitu.