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United States Department of TransportationUnited States Department of Transportation

Draft Airports Series 150 Advisory Circulars (ACs)


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We circulate Draft Advisory Circulars to interested industry associations to obtain comments and recommendations for action. To receive email alerts when we post new Draft ACs, select the "Subscribe" link above.

On this page

See also

Draft ACs

Draft ACs
Number Title Current AC Deadline for Comments
150/5200-32C (PDF, 566 kB)
Draft AC 150/5200-32C, Reporting Wildlife Aircraft Strikes (posted 05/12/2023)

This AC explains the importance of reporting collisions between aircraft and wildlife, more commonly referred to as wildlife strikes. It also explains recent improvements in the Federal Aviation Administration’s (FAA’s) Bird/Other Wildlife Strike Reporting system, how to report a wildlife strike, what happens to the wildlife strike report data, how to access the FAA National Wildlife Strike Database (NWSD), and the FAA’s Feather Identification program.

See the industry letter for a list of principal changes.

150/5200-32B 6/12/2023
150/5345-46F (PDF, 607 kB)
Draft AC 150/5345-46F, Specification for Runway, Taxiway, Heliport, and Vertiport Light Fixtures (posted 12/05/2022)

This AC contains the FAA's specifications for light fixtures to be used on airport runways and taxiways.

150/5345-46E 1/06/2023
150/1345-42K (PDF, 1.7 MB)
Draft AC 150/5345-42K, Specification for Airport Light Bases, Transformer Housings, Junction Boxes, and Accessories (posted 11/02/2022)

This AC contains the specifications for airport light bases, transformer housings, junction boxes, accessories, and elevated light fixture covers and stakes. It also provides standards for critical dimensions and performance requirements. This AC is not intended to be a compilation of currently available product designs.

150/5345-42J 11/30/2022
150/5020-1A (PDF, 3.8 MB)
Draft AC 150/5020-1A, Noise Control and Compatibility Planning for Airports (posted 01/12/2022)

See last paragraph below for instructions on submitting comments.

This AC provides guidance on conducting an Airport Noise and Land Use Compatibility Planning Study in accordance with the Title 14 Code of Federal Regulations (CFR) Part 150 regulations. Commonly referred to as Part 150 studies, these studies consist of a combined Noise Exposure Map (NEM) and Noise Compatibility Program (NCP) with noise mitigation and abatement measures. This AC is independent from guidance on Airport Improvement Program (AIP) or Passenger Facility Charge (PFC) eligibility and justification.  Use of this AC does not establish or ensure project eligibility or justification for AIP or PFC funding. 

How to Submit Comments
We will consider comments received by March 11, 2022, for inclusion in AC 150/5020-1A.  Please submit comments on the comment matrix (link below).  Please email the completed matrix to Jean Wolfers-Lawrence, Environmental Specialist, Airport Planning and Environmental Division, at  Please provide justification for all comments and recommended modifications.   Please note, column C ‘Reviewer Org’ should remain blank.

NA 3/11/2022

Procedure for Commenting on Draft ACs

Please see the industry letter for each draft to determine specific instructions for submitting comments. If you are a member of one of the following industry organizations, you can also submit your comments via the organization.

Note 1 - For ASCE, submit comments to:
Jonathan C. Esslinger, P.E.
Director, Transportation & Development Institute of ASCE.

Note 2 - For DOD Policy Board on Federal Aviation, submit comments to:
DOD Policy Board on Federal Aviation
SAF/AQKT Room 4E128
Washington, DC 20330-1060
(202) 697-6937

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