Page:Aircraft Accident Report for 1972 Sacramento Canadair Sabre accident.pdf/17

 The inspector is cautioned to issue letters of authority only if the pilot is qualified to complete the flight safely. This evaluation should consider:

FAR Part 21 prescribes procedures for certification of products and parts, and subpart H deals specifically with the issuance of airworthiness certificates. Standard airworthiness certificates are issued for type certificated aircraft in the normal, utility, acrobatic, and transport categories. Special airworthiness certificates are issued for other categories including, among others, special flight permits and experimental. Special flight permits, effective for the period of time specified on the permit, are issued for aircraft that may not meet applicable airworthiness requirements, but which are capable of safe flight. Experimental certificates are issued, for a maximum of 1 year, for the following purposes:

An applicant for an experimental certificate must include in the application a statement of the purpose for which the aircraft will be used, enough data to identify the aircraft, and, upon inspection of the aircraft, any pertinent information found necessary to safeguard the general public,public. [sic]