Title 14 CFR 91.319 Expermental
§91.319 Aircraft having experimental certificates: Operating limitations.
(This section of the CFR has been edited for space considerations)
(1) Been inspected by a certificated repairman (light-sport aircraft) with a maintenance rating, an appropriately rated mechanic, or an appropriately rated repair station in accordance with inspection procedures developed by the aircraft manufacturer or a person acceptable to the FAA; or
(2) Received an inspection for the issuance of an airworthiness certificate in accordance with part 21 of this chapter.
(h) The FAA may issue deviation authority providing relief from the provisions of paragraph (a) of this section for the purpose of conducting flight training. The FAA will issue this deviation authority as a letter of deviation authority.
(1) The FAA may cancel or amend a letter of deviation authority at any time.