§61.331. How do I obtain privileges to operate an aircraft with retractable landing gear or an airplane with a manual controllable pitch propeller? — Inbound Citations

(b) If you hold a sport pilot certificate, you may act as pilot in command of an aircraft that has retractable landing gear or an airplane with a manual controllable pitch propeller if you have met the training and endorsement requirements specified in § 61.331.

(i) Has retractable landing gear, unless you have met the requirements of § 61.331(a); or

(ii) Is an airplane with a manual controllable pitch propeller, unless you have met the requirements of § 61.331(b).