AC 120-77A

Historical

Advisory circular · Performance Rules: Provisions Contained in an Operator Manual Under § 43.13(c)

A newer version is currentThis is a historical version. AC 120-77B is the version in force, approved September 10, 2026.
Approved
October 24, 2023
Last reviewed
October 26, 2023
Cancels
AC120-77
Family
AC 120-77 · 3 versions
Revision
A
14 CFR parts
43
Cited by
4 ADs
14 CFR sections
§ 43.13

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed September 16, 2026.

Show pages 13–24
Page 25OCROpen in PDF

Appendix A Substantiation From § 43.13(a) Supporting documentation:

or § 43.13(b) flowcharts Traceability to accepted industry standards Operator Substantiating substantiates the Documents change per their manual (§ 121.369(b) and

135.427(b)) Substantiating Data Was the original data "FAA Approved"?

Operator's other NO Yes processes to obtain substantiating data and/or documents Changes to FAA-approved data renders that data no longer FAA approved Obtain FAA approval?

Return to § 43.13(a) 2 FAA-approved data that is changed can be used for minor repairs and alterations. Any changes to FAA-approved data that are used for major repairs or alterations require approval prior to use.

3 After substantiation, operators should be able to answer "Yes" to all questions in flowcharts "§ 43.13(a)" and "§ 43.13(b)."

A-6

Advisory Circular Feedback Form If you find an error in this AC, have recommendations for improving it, or have suggestions for new items/subjects to be added, you may let us know by contacting the Flight Standards Directives Management Officer at 9-AWA-AFB-120-Directives@faa.gov.

Subject: AC 120-77A, Performance Rules: Provisions Contained in an Operator Manual Under § 43.13(c) Date: _____________________ Please check all appropriate line items:

An e rro r (proc edur al or typographical) has been noted in paragraph ____________ on page _______.

Recommend paragraph _____________ on page __________ be changed as follows:

______________________________________________________________________ ______________________________________________________________________ In a future change to this AC, please cover the following subject:

(Briefly describe what you want added.)

______________________________________________________________________ ______________________________________________________________________ Other comments:

______________________________________________________________________ ______________________________________________________________________ I would like to discuss the above. Please contact me.

Submitted by: Date: ______________________