14 C.F.R. § 91.417

Maintenance records

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(a) Except for work performed in accordance with §§ 91.411 and 91.413, each registered owner or operator shall keep the following records for the periods specified in paragraph (b) of this section:

(1) Records of the maintenance, preventive maintenance, and alteration and records of the 100-hour, annual, progressive, and other required or approved inspections, as appropriate, for each aircraft (including the airframe) and each engine, propeller, rotor, and appliance of an aircraft. The records must include—

(i) A description (or reference to data acceptable to the Administrator) of the work performed; and

(ii) The date of completion of the work performed; and

(iii) The signature, and certificate number of the person approving the aircraft for return to service.

(2) Records containing the following information:

(i) The total time in service of the airframe, each engine, each propeller, and each rotor.

(ii) The current status of life-limited parts of each airframe, engine, propeller, rotor, and appliance.

(iii) The time since last overhaul of all items installed on the aircraft which are required to be overhauled on a specified time basis.

(iv) The current inspection status of the aircraft, including the time since the last inspection required by the inspection program under which the aircraft and its appliances are maintained.

(v) The current status of applicable airworthiness directives (AD) including, for each, the method of compliance, the AD number and revision date. If the AD involves recurring action, the time and date when the next action is required.

(vi) Copies of the forms prescribed by § 43.9(d) of this chapter for each major alteration to the airframe and currently installed engines, rotors, propellers, and appliances.

(b) The owner or operator shall retain the following records for the periods prescribed:

(1) The records specified in paragraph (a)(1) of this section shall be retained until the work is repeated or superseded by other work or for 1 year after the work is performed.

(2) The records specified in paragraph (a)(2) of this section shall be retained and transferred with the aircraft at the time the aircraft is sold.

(3) A list of defects furnished to a registered owner or operator under § 43.11 of this chapter shall be retained until the defects are repaired and the aircraft is approved for return to service.

(c) The owner or operator shall make all maintenance records required to be kept by this section available for inspection by the Administrator or any authorized representative of the National Transportation Safety Board (NTSB). In addition, the owner or operator shall present Form 337 described in paragraph (d) of this section for inspection upon request of any law enforcement officer.

(d) When a fuel tank is installed within the passenger compartment or a baggage compartment pursuant to part 43 of this chapter, a copy of FAA Form 337 shall be kept on board the modified aircraft by the owner or operator.

(Approved by the Office of Management and Budget under control number 2120-0005) [Docket 18334, 54 FR 34311, Aug. 18, 1989, as amended by Amdt. 91-311, 75 FR 5223, Feb. 1, 2010; Amdt. 91-323, 76 FR 39260, July 6, 2011; Docket FAA-2023-1377, Amdt. 91-381, 90 FR 35222, July 24, 2025]

Notes of Decisions

Cited in 7 cases (2 in the last 5 years), 1999–2025 · leading case: Hetzer-Young v. Precision Airmotive Corp., 921 N.E.2d 683 (Ohio Ct. App. 2009).

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Hetzer-Young v. Precision Airmotive Corp., 921 N.E.2d 683 (Ohio Ct. App. 2009). “14 C.F.R. 91.417 and 91.419. Paul Beegle, an FAA-licensed A & P mechanic, states in his affidavit that the system of recordkeeping in aircraft-engine logbooks, as controlled by federal regulations, is “standard across the aviation industry in the United States.”

BLB Aviation South Carolina, LLC v. Jet Linx Aviation, LLC, 748 F.3d 829 (8th Cir. 2014). “Relying on 14 C.F.R. § 91.417 , which requires an owner or operator of an airplane to keep certain maintenance records, the district court found that-Jet Linx’s failure to maintain these maintenance records and part tags amounted to a breach of the MSA and the DLA.”

United States v. Evaschuck, 65 F. Supp. 2d 1360 (M.D. Fla. 1999). · cites it 3× “14 C.F.R. § 91.417 . At this time, however, it is not necessary to determine whether the government’s right to inspect airplane maintenance records renders a general expectation of privacy in maintenance records unreasonable, because that right did not apply to the particular…”

Gulfstream Aerospace Servs. Corp. v. United States Aviation Underwriters, Inc., 635 S.E.2d 38 (Ga. Ct. App. 2006). “See 14 CFR § 91.417 (a). Accordingly, when an airplane owner or operator complies with a particular safety bulletin, the airplane’s logbooks must be annotated to reflect compliance.”

Lacoste Aviation, LLC v. StarStone Nat'l Ins. Co. (E.D. La. 2024). · cites it 2× “§ 436 and 14 C.F.R. § 91.417 ,7 all maintenance and repairs must be recorded in an aircraft’s logbooks.”

FX Aviation Capital LLC v. Hector Guerrero (4th Cir. 2025). “386–87; see 14 C.F.R. § 91.417 (b)(1) (requiring maintenance records to be “transferred with the aircraft at the time the aircraft is sold.”

BLB Aviation South Carolina, LLC v. Jet Linx Aviation LLC, 900 F. Supp. 2d 972 (D. Neb. 2012). “” 14 C.F.R. § 91.417 (2012). The maintenance records “shall be retained until the work is repeated or superseded by other work or for 1 year after the work is performed.”

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