(i) Presentation of required documents.
(1) Persons must present their pilot certificate, medical certificate, logbook, or any other record required by this part for inspection upon a reasonable request by—
(i) The Administrator;
(ii) An authorized representative from the National Transportation Safety Board; or
(iii) Any Federal, State, or local law enforcement officer.
(2) A student pilot must carry the following items in the aircraft on all solo cross-country flights as evidence of the required authorized instructor clearances and endorsements—
(i) Pilot logbook;
(ii) Student pilot certificate; and
(iii) Any other record required by this section.
(3) A sport pilot must carry his or her logbook or other evidence of required authorized instructor endorsements on all flights.
(4) A recreational pilot must carry his or her logbook with the required authorized instructor endorsements on all solo flights—
(i) That exceed 50 nautical miles from the airport at which training was received;
(ii) Within airspace that requires communication with air traffic control;
(iii) Conducted between sunset and sunrise; or
(iv) In an aircraft for which the pilot does not hold an appropriate category or class rating.
(5) A flight instructor with a sport pilot rating must carry his or her logbook or other evidence of required authorized instructor endorsements on all flights when providing flight training.