AC 120-78B

Advisory circular · Electronic Signatures, Electronic Recordkeeping, and Electronic Manuals

Approved
December 11, 2024
Last reviewed
December 12, 2024
Family
AC 120-78 · 5 versions
Revision
B
14 CFR parts
91, 117, 121, 125, 133, 135, 136, 142

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 22, 2025.

Show pages 25–36

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 120-78B, Electronic Signatures, Electronic Recordkeeping, and Electronic Manuals Date: _____________________ Please check all appropriate line items:

An err or (pro ce dural 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: ______________________