Claim: 66% of the aircraft built by Aviatsionnaya Ispitatelnaya Stantsiya are experimental aircraft, (this term is usually used to refer to aircraft flown with an experimental category airworthiness certificate) while 33% is trainer aircraft.
Evidence: Summary of aircraft built by Aviatsionnaya Ispitatelnaya Stantsiya Dokuchayev No.1 1 Experimental aircraft Dokuchayev No.2 1 Experimental aircraft Dokuchayev No.3 1 Trainer aircraft Dokuchayev No.4 1 Trainer aircraft Dokuchayev No.5 Experimental aircraft Dokuchayev No.6 Experimental aircraft The term "experimental aircraft" is usually used to refer to aircraft flown with an experimental category airworthiness certificate. 1 1