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Title 14: Aeronautics and Space
CHAPTER I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C: AIRCRAFT
PART 21: CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart B: Type Certificates
21.27 - Issue of type certificate: surplus aircraft of the Armed Forces.
Link to an amendment published at 74 FR 53386, October 16, 2009.
Link to an amendment published at 75 FR 9095, March 1, 2010.
(a) Except as provided in paragraph (b) of this section an applicant is entitled to a type certificate for an aircraft in the normal, utility, acrobatic, commuter, or transport category that was designed and constructed in the United States, accepted for operational use, and declared surplus by, an Armed Force of the United States, and that is shown to comply with the applicable certification requirements in paragraph (f) of this section.
(b) An applicant is entitled to a type certificate for a surplus aircraft of the Armed Forces of the United States that is a counterpart of a previously type certificated civil aircraft, if he shows compliance with the regulations governing the original civil aircraft type certificate.
(c) Aircraft engines, propellers, and their related accessories installed in surplus Armed Forces aircraft, for which a type certificate is sought under this section, will be approved for use on those aircraft if the applicant shows that on the basis of the previous military qualifications, acceptance, and service record, the product provides substantially the same level of airworthiness as would be provided if the engines or propellers were type certificated under part 33 or 35 of the Federal Aviation Regulations.
(d) The Administrator may relieve an applicant from strict compliance with a specific provision of the applicable requirements in paragraph (f) of this section, if the Administrator finds that the method of compliance proposed by the applicant provides substantially the same level of airworthiness and that strict compliance with those regulations would impose a severe burden on the applicant. The Administrator may use experience that was satisfactory to an Armed Force of the United States in making such a determination.
(e) The Administrator may require an applicant to comply with special conditions and later requirements than those in paragraphs (c) and (f) of this section, if the Administrator finds that compliance with the listed regulations would not ensure an adequate level of airworthiness for the aircraft.
(f) Except as provided in paragraphs (b) through (e) of this section, an applicant for a type certificate under this section must comply with the appropriate regulations listed in the following table:
| Type of aircraft | Date accepted for operational use by the Armed Forces of the United States | Regulations that apply 1 |
| Small reciprocating-engine powered airplanes | Before May 16, 1956After May 15, 1956 | CAR Part 3, as effective May 15, 1956.CAR Part 3, or FAR Part 23. |
| Small turbine engine-powered airplanes | Before Oct. 2, 1959After Oct. 1, 1959 | CAR Part 3, as effective Oct. 1, 1959.CAR Part 3 or FAR Part 23. |
| Commuter category airplanes | After (Feb. 17, 1987)FAR Part 23 as of (Feb. 17, 1987). | |
| Large reciprocating-engine powered airplanes | Before Aug. 26, 1955After Aug. 25, 1955 | CAR Part 4b, as effective Aug. 25, 1955.CAR Part 4b or FAR Part 25. |
| Large turbine engine-powered airplanes | Before Oct. 2, 1959After Oct. 1, 1959 | CAR Part 4b, as effective Oct. 1, 1959.CAR Part 4b or FAR Part 25. |
| Rotorcraft with maximum certificated takeoff weight of: | ||
| 6,000 pounds or less | Before Oct. 2, 1959After Oct. 1, 1959 | CAR Part 6, as effective Oct. 1, 1959.CAR Part 6, or FAR Part 27. |
| Over 6,000 pounds | Before Oct. 2, 1959After Oct. 1, 1959 | CAR Part 7, as effective Oct. 1, 1959.CAR Part 7, or FAR Part 29.1 Where no specific date is listed, the applicable regulations are those in effect on the date that the first aircraft of the particular model was accepted for operational use by the Armed Forces. |
[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as amended by Amdt. 21-59, 52 FR 1835, Jan. 15, 1987; 52 FR 7262, Mar. 9, 1987; 70 FR 2325, Jan. 13, 2005]
Effective Date Note:
By Amdt. 21-92, 74 FR 53386, Oct. 16, 2009, ? 21.27 was amended by removing the words ?the Federal Aviation Regulations? in paragraph (c) and adding, in their place, the words ?this subchapter?; and by removing the word ?FAR? from each place it appears in the table in paragraph (f) and adding in its place the words ?14 CFR?, effective Apr. 14, 2010. The effective date of these amendments was subsequently postponed to Apr. 16, 2011 at 75 FR 9095, Mar. 1, 2010.
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