14 C.F.R. § 61.9
Notwithstanding the requirements specified in § 61.51(c), any pilot time acquired while operating an airplane or helicopter with a simplified flight controls designation may not be used to satisfy the following aeronautical experience requirements for a private, commercial, or airline transport pilot certificate, except for private pilot applicants who present an aircraft with the simplified flight controls designation to conduct the practical test—
[Docket FAA-2023-1377, Amdt. 61-159, 90 FR 35211, July 24, 2025]