Skip to page content
Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The latest general information on the Coronavirus (COVID-19) is available on Coronavirus.gov. For FAA-specific COVID-19 resources, please visit faa.gov/coronavirus.
United States Department of TransportationUnited States Department of Transportation

AC 20-66 (Cancelled) - Vibration Evaluation of Aircraft Propellers

Document Information

Advisory Circulars home

20-66 - Vibration Evaluation of Aircraft Propellers (Cancelled)

Cancelled By
20-66A
Date Cancelled
September 17, 2001
Date Issued
January 29, 1970
Responsible Office
ANE-100
Description
Outlines acceptable means, but not the sole means, for showing compliance with the requirements of the FARs concerning propeller vibration.