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Draft ACs

Draft ACs
Number Title Current AC Deadline for Comments
150/5000 (PDF, 303 KB)
Draft AC 150/5000-XX, Critical Aircraft and Regular Use Determination (posted 09/23/2015)

This advisory circular defines the term Critical Aircraft and provides guidance on the use of Critical Aircraft in the conduct of facility planning studies for federally obligated airports.

NA 10/23/2015
150/5100-20 (PDF, 776 KB)
Draft AC 150/5100-20, Guidance on the Extraction of Oil and Gas at Federally Obligated Airports (posted 09/29/2015)

This AC discusses oil and gas development on federally obligated airport land, including any drilling that penetrates the subsurface of the airport owned land. This AC does not create new requirements for on-airport or nearby off-airport land use or development.  It describes how existing FAA policy, guidance, standards, and obligations, as well as other applicable laws and regulations, apply to proposed oil and gas extraction from obligated airports (both use of surface land and extraction of subsurface minerals/oil/gas). 

NA 10/15/2015
150/5345-49D (PDF, 100 KB)
Draft AC 150/5345-49D, Specification L-854 Radio Control Equipment (posted 08/13/2015)

This AC contains the specifications for radio control equipment to be used for controlling airport lighting facilities.

150/5345-49C 8/31/2015
150/5345-46E (PDF, 577 KB)
Draft AC 150/5345-46E, Specification for Runway and Taxiway Light Fixtures (posted 07/24/2015)

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

NA 8/24/2015
150/5345-42H (PDF, 578 KB)
Draft AC 150/5345-42H, Specification for Airport Light Bases, Transformer Housings, Junction Boxes, and Accessories (posted 07/21/2015)

This AC contains the specifications for airport light bases, transformer housings, junction boxes, and accessories. It is not intended to be a compilation of currently available product designs. The AC provides the basic standard requirements for critical dimensions and performance requirements to which all manufacturers must demonstrate compliance. 

150/5345-42G 8/10/2015
150/5345-44K (PDF, 1.8 MB)
Draft AC 150/5345-44K, Specification for Runway and Taxiway Signs (posted 07/21/2015)

This draft contains the specifications for unlighted and lighted signs to be used on taxiways and runways.

150/5345-44J 8/10/2015

Procedure for Commenting on Draft ACs

Unless specifically noted, we generally accept comments only from recognized industry organizations. If you would like to comment on a Draft Advisory Circular, please submit your comments to one of the organizations listed below.

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