Skip to Content

During the funding lapse, is not being supported. If data feeds are not available from GPO, will not be updated, so please use the official edition of the Federal Register on Govinfo ( If there is a technical issue with the Public Inspection List, you can view the documents on public inspection at our office in Washington, DC or on


Airworthiness Directives; Robert E. Rust, Jr. Model DeHavilland DH.C1 Chipmunk 21, DH.C1 Chipmunk 22, and DH.C1 Chipmunk 22A Airplanes

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 including its time on Public Inspection. 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


Federal Aviation Administration (FAA), DOT.


Final rule; correction.


The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to the products listed above. The AD number in the 14 CFR Part 39 section and the § 39.13 [Amended] section is incorrect. This document corrects that error. In all other respects, the original document remains the same.


This AD remains effective October 7, 2010.


You may examine the AD docket on the Internet at;​ or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this AD, the regulatory evaluation, any comments received, and other information. The address for the Docket Office (phone: 800-647-5527) is Document Management Facility, U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590.

Start Further Info


Carey O'Kelley, Aerospace Engineer, FAA, Atlanta Aircraft Certification Office (ACO), 1701 Columbia Avenue, College Park, Georgia 30337; telephone: (404) 474-5543; fax: (404) 474-5606; e-mail: carey.o'

End Further Info End Preamble Start Supplemental Information


Airworthiness Directive 2010-18-12, amendment 39-16426 (75 FR 53861, September 2, 2010), currently requires you to do a one-time inspection of the flap operating system for an unapproved latch plate design installation, with replacement as necessary for Robert E. Rust, Jr. Model DeHavilland DH.C1 Chipmunk 21, DH.C1 Chipmunk 22, and DH.C1 Chipmunk 22A airplanes.

As published, the AD number in the 14 CFR Part 39 section and § 39.13 [Amended] section is incorrect.

No other part of the preamble or regulatory information has been changed; therefore, only the changed portion of the final rule is being published in the Federal Register.

The effective date of this AD remains October 7, 2010.

Correction of Non-Regulatory Text

In the Federal Register of September 2, 2010, AD 2010-18-12; Amendment 39-16426 is corrected as follows:

On page 53861, in the 3rd column, on line 6 under 14 CFR Part 39, change “AD 2010-18-01” to “AD 2010-18-12.”

On page 53863, in the 1st column, on line 4 under § 39.13 [Amended], change “AD 2010-18-01” to “AD 2010-18-12.”

Start Signature

Issued in Kansas City, Missouri, on August 16, 2010.

William J. Timberlake,

Acting Manager, Small Airplane Directorate, Aircraft Certification Service.

End Signature End Supplemental Information

[FR Doc. 2010-23745 Filed 9-22-10; 8:45 am]