Per the FAA's N-number lookup, it's experimental. I'm guessing Soviet aircraft built to destroy the US didn't bother with FAA certification. https://registry.

Per the FAA's N-number lookup, it's experimental. I'm guessing Soviet aircraft built to destroy the US didn't bother with FAA certification. https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=620PF https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?N...