Non-Binding Nature of Advisory Circular Guidance

Verified from official sources
AC 91-57C ¶ 1.1.1Version 1Effective -Verified 22 August 2026

In plain language

This advisory circular is for informational purposes only and does not establish new legal obligations. It is designed to help you understand existing laws and FAA policies.

Requirement as structured

The contents of AC 91-57C do not have the force and effect of law and do not bind the public.

Original regulatory text

The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Applies when

country
United States
regulatory category
General