§ 21.50. Instructions for continued airworthiness and manufacturer's maintenance manuals having airworthiness limitations sections.
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/us/cfr/t14/s§ 21.50·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)The holder of a type certificate for a rotorcraft for which a Rotorcraft Maintenance Manual containing an “Airworthiness Limitations” section has been issued under § 27.1529 (a)(2) or § 29.1529 (a)(2) of this chapter, and who obtains approval of changes to any replacement time, inspection interval, or related procedure in that section of the manual, must make those changes available upon request to any operator of the same type of rotorcraft.
(b)The holder of a design approval, including either a type certificate or supplemental type certificate for an aircraft, aircraft engine, or propeller for which application was made after January 28, 1981, must furnish at least one set of complete Instructions for Continued Airworthiness to the owner of each type aircraft, aircraft engine, or propeller upon its delivery, or upon issuance of the first standard airworthiness certificate for the affected aircraft, whichever occurs later. The Instructions for Continued Airworthiness must be prepared in accordance with §§ 23.1529, 25.1529, 25.1729, 27.1529, 29.1529, 31.82, 33.4, 35.4, or part 26 of this subchapter, or as specified in the applicable airworthiness criteria for special classes of aircraft defined in § 21.17(b), as applicable. If the holder of a design approval chooses to designate parts as commercial, it must include in the Instructions for Continued Airworthiness a list of commercial parts submitted in accordance with the provisions of paragraph
(c)of this section. Thereafter, the holder of a design approval must make those instructions available to any other person required by this chapter to comply with any of the terms of those instructions. In addition, changes to the Instructions for Continued Airworthiness shall be made available to any person required by this chapter to comply with any of those instructions.
(c)To designate commercial parts, the holder of a design approval, in a manner acceptable to the FAA, must submit:
(1)A Commercial Parts List;
(2)Data for each part on the List showing that:
(i)The failure of the commercial part, as installed in the product, would not degrade the level of safety of the product; and
(ii)The part is produced only under the commercial part manufacturer's specification and marked only with the commercial part manufacturer's markings; and
(3)Any other data necessary for the FAA to approve the List. [Amdt. 21-23, 33 FR 14105, Sept. 18, 1968, as amended by Amdt. 21-51, 45 FR 60170, Sept. 11, 1980; Amdt. 21-60, 52 FR 8042, Mar. 13, 1987; Amdt. 21-90, 72 FR 63404, Nov. 8, 2007; Amdt. 21-92, 74 FR 53386, Oct. 16, 2009; Doc. No. FAA-2015-1621, Amdt. 21-100, 81 FR 96689, Dec. 30, 2016]
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§ 21.50
Instructions for continued airworthiness and manufacturer's maintenance manuals having airworthiness limitations sections.
Fed. Reg.×17
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