Tuhia he tomokanga mō tēnei wāhanga - Heoi anō, i te 21 o Oketopa 1937, i hopukina a Petlyakov me Tupolev me te tari katoa o te TsAGI i runga i ngā whakapae rūpahu mo te whakataka, te tutei, me te āwhina i te Pāti Fascist o Rūhia. 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 te Pakanga Soviet-Finnish
I te 1939-1940 i whakaatu mai 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.