Contains the FAA standards for the Precision Approach Path Indicator (PAPI) systems, which provides pilots with visual glideslope guidance during approach for landing.

This AC contains the FAA standards for the siting and installation of signs on airport runways and taxiways.

Provides guidance on Aircraft Fire Extinguishing Agents and provides an acceptable methodology for complying with Title 14, Code of Federal Regulations, Part 139, Certification of Airports.

This AC contains the FAA standards for markings used on airport runways, taxiways, and aprons.

This AC contains the FAA specification for obstruction lighting equipment. Effective 12 months after the date of this circular, only that equipment qualified per this specification will be listed in AC 150/5345-53, Airport Lighting Equipment Certification Program.

Explains the specifications for establishing geodetic control on or near an airport. It also describes how to submit the information to the National Geodetic Survey (NGS) for approval and to be included in the National Spatial Reference System (NSRS) in support of aeronautical information surveys.

This AC contains a specification for wind cone assemblies to be used to provide wind information to pilots.

This advisory circular provides guidance to the public on the design and evaluation of pavements used by aircraft at civil airports.

Contains standards for the siting and installation of signs on airport runways and taxiways, including taxiway ending markers, location signs, runway distance remaining signs, mandatory hold signs associated with POFZ and CAT II/III operations, and many others.

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