engineering data
(5) Release of data.— (A) In general .— Notwithstanding any other provision of law, the Administrator may make available upon request, to a person seeking to maintain the airworthiness or develop product improvements of an aircraft, engine, propeller, or appliance, engineering data in the possession of the Administration relating to a type certificate or a supplemental type certificate for such aircraft, engine, propeller, or appliance, without the consent of the owner of record, if the Administrator determines that— (i) the certificate containing the requested data has been inactive for 3 or more years, except that the Administrator may reduce this time if required to address an unsafe condition associated with the product; (ii) after using due diligence, the Administrator is unable to find the owner of record, or the owner of record’s heir, of the type certificate or supplemental type certificate; and (iii) making such data available will enhance aviation safety. (B) Engineering data defined .— In this section, the term “engineering data” as used with respect to an aircraft, engine, propeller, or appliance means type design drawing and specifications for the entire aircraft, engine, propeller, or appliance or change to the aircraft, engine, propeller, or appliance, including the original design data, and any associated supplier data for individual parts or components approved as part of the particular certificate for the aircraft, engine, propeller, or appliance. (C) Requirement to maintain data .— The Administrator shall maintain engineering data in the possession of the Administration relating to a type certificate or a supplemental type certificate that has been inactive for 3 or more years.