OMB Control Number: 2120-0746 Expiration Date: 11/30/2024 Advisory Circular Feedback Paperwork Reduction Act Burden Statement: A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless tha t collection of information displays a currently valid OMB Control Number. The OMB Control Number for this information collection is 2120-0746. Public reporting for this collection of information is estimated to be approximately 20 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering, and maintaining the data needed, completing and reviewing the collection of information. All responses to this collection of information are voluntary FAA Order 1320.46D Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Barbara Hall, 800 Independence Ave, Washington, D.C. 20590.
If you find an error in this AC, have recommendations for improving it, or have suggestions for newitems/subjects to be added, you may let us know by (1) emailing this form to (9-AWA-AVS-AIR-DMO@faa.gov) or (2) faxing it to the attention of the LOB/SO
(202) 267-1813.
Subject: AC 20-146A, CHG 1, Methodology for Dynamic Seat Certification by Analysis for Use in Parts 23, 25, 27, and 29 Airplanes and Rotorcraft. Date:
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In a future change to this AC, please cover the following subject:
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FAA Form 1320-73 (09/22) SUPERSEDES PREVIOUS EDITIONS