(a) Each person performing maintenance, alteration, or preventive maintenance on an aircraft, engine, propeller, or appliance shall use the methods, techniques, and practices prescribed in the current manufacturer's maintenance manual or Instructions for Continued Airworthiness prepared by its manufacturer, or other methods, techniques, and practices acceptable to the Administrator, except as noted in § 43.16. That person shall use the tools, equipment, and test apparatus necessary to assure completion of the work in accordance with accepted industry practices. If special equipment or test apparatus is recommended by the manufacturer involved, that person must use that equipment or apparatus or its equivalent acceptable to the Administrator.
(b) Each person maintaining or altering, or performing preventive maintenance, shall do that work in such a manner and use materials of such a quality, that the condition of the aircraft, airframe, aircraft engine, propeller, or appliance worked on will be at least equal to its original or properly altered condition (with regard to aerodynamic function, structural strength, resistance to vibration and deterioration, and other qualities affecting airworthiness).
(c) Unless otherwise notified by the Administrator, the methods, techniques, and practices contained in the maintenance manual or the maintenance part of the manual of the holder of an air carrier operating certificate or an operating certificate under part 121 or 135 of this chapter and operators under part 129 of this chapter holding operations specifications (that is required by its operating specifications to provide a continuous airworthiness maintenance and inspection program) constitute acceptable means of compliance with this section.
[Doc. No. 1993, 29 FR 5451, Apr. 23, 1964, as amended by Amdt. 43-20, 45 FR 60182, Sept. 11, 1980; Amdt. 43-23, 47 FR 41085, Sept. 16, 1982; Amdt. 43-28, 52 FR 20028, June 16, 1987; Amdt. 43-37, 66 FR 21066, Apr. 27, 2001; Amdt. 43-63, 90 FR 35211, July 24, 2025]
Notes of Decisions
Colgan Air, Inc. v. Raytheon Aircraft Co. (2007)
ca4
“Indeed, 14 C.F.R. § 43.13 (2007) provides: Each person performing maintenance, alteration, or preventive maintenance on an aircraft, engine, propeller, or appliance shall use the methods, techniques, and practices prescribed in the current manufacturer’s maintenance manual or…”
Sikkelee ex rel. Estate Sikkelee v. Precision Airmotive Corp. (2014)
pamd · cites it 3×
“In performing the overhaul, Kelly was required to “use the methods, techniques and practices prescribed in [Lycoming’s] maintenance manual or Instructions for Continued Airworthiness,” 14 C.F.R. § 43.13 (a) (2004), and did so (Pl.”
Myers v. Cessna Aircraft Corporation (1976)
or
“See 14 C.F.R. § 43.13 (1976). Robertson contends that the word "person” as used in the regulation refers only to the individual mechanic who actually performs the modification.”
Harrison Aire, Inc. v. Aerostar International, Inc. (2004)
paed · cites it 2×
“14 C.F.R. § 43.13 . Section 43.13 provides in relevant part: (a) Each person performing maintenance, alteration, or preventive maintenance on an aircraft, engine, propeller, or appliance shall use the methods, techniques, and practices prescribed in the current manufacturer’s…”
Burton v. Twin Commander Aircraft, LLC (2009)
washctapp
“[8] ¶ 27 Burton cites to on 14 C.F.R. § 43.13 (a) which provides that: Each person performing maintenance, alteration, or preventative maintenance on an aircraft, engine, propeller, or appliance shall use the methods, techniques, and practices prescribed in the current…”
United States v. Garrett (1969)
gand · cites it 3×
“The particular regulations involved are contained in Federal Aviation Regulations 14 CFR 43.13. These regulations, made a part of the statute, prescribe that “each person maintaining or altering or performing preventive maintenance shall use methods,, techniques and practices…”
Kornitzky Group, LLC v. Daniel Elwell (2019)
cadc · cites it 2×
“First, the FAA alleged that, by disassembling and repairing engine bearings without the requisite technical data, Kornitzky Group had violated several maintenance regulations (namely, 14 C.F.R. §§ 43.13 (a), 145.201(b), 145.201(c)(1), and 145.”
— 14 C.F.R. § 43.13(a) — 1 case
United States v. Garrett (1969)
gand
“The particular regulations involved are contained in Federal Aviation Regulations 14 CFR 43.13. These regulations, made a part of the statute, prescribe that “each person maintaining or altering or performing preventive maintenance shall use methods,, techniques and practices…”
— 14 C.F.R. § 43.13(b) — 1 case
— 14 C.F.R. § 43.13(c) — 1 case
United States v. Garrett (1969)
gand
“The particular regulations involved are contained in Federal Aviation Regulations 14 CFR 43.13. These regulations, made a part of the statute, prescribe that “each person maintaining or altering or performing preventive maintenance shall use methods,, techniques and practices…”
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