Skip to Content

We invite you to try out our new beta eCFR site at We’ve made big changes to make the eCFR easier to use. Be sure to leave feedback using the 'Feedback' button on the bottom right of each page!


Installation, Inspection, and Maintenance of Controls for General Aviation Reciprocating Aircraft Engines

Document Details

Information about this document as published in the Federal Register.

Document Statistics
Document page views are updated periodically throughout the day and are cumulative counts for this document. Counts are subject to sampling, reprocessing and revision (up or down) throughout the day.
Published Document

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

Start Preamble Start Printed Page 41517


Federal Aviation Administration, DOT.


Notice of issuance of Advisory Circular (AC) 20-143.


This notice announces the issuance of AC 20-143, Installation, Inspection, and Maintenance of Controls for General Aviation Reciprocating Aircraft Engines. This AC presents information regarding the inspection, maintenance, and installation of engine controls with emphasis on the airframe portion of these systems. It provides guidance to design and maintenance personnel to reduce the number of airplane accidents and incidents related to the loss of engine power control. This AC provides a supplement, but does not replace the procedures in the manufacturers' maintenance manuals. This material is neither mandatory nor regulatory in nature and does not constitute a regulation.


On June 6, 2000, the Small Airplane Directorate issued Advisory Circular No. 20-143.

How to Request Copies: Copies of the AC are available from the U.S. Department of Transportation, Subsequent Distribution Office, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, MD 20785. The advisory circular is also available on the internet at​avr/​air/​airhome.htm.

Start Signature

Issued in Kansas City, Missouri, on June 23, 2000.

Larry E. Werth,

Acting Manager, Small Airplane Directorate, Aircraft Certification Service.

End Signature End Preamble

[FR Doc. 00-16917 Filed 7-3-00; 8:45 am]