Specifications include, but are not limited to: provide equipment and personnel necessary for Aircraft Rescue and Firefighting (ARFF) services at the Show Low Regional Airport. Proposer must provide services in a manner that fully complies with Federal AviationRegulation (FAR) Part 139, and any other regulations that may be imposed by the Federal Aviation Administration (FAA), or other federal or state agencies. The section of (FAR) Part 139 specifically pertaining to AARF personnel requirements is (FAR) 139.319(i). ARFF services at the Show Low Regional Airport are required to be available during all air carrier operations only, as defined underFAR 139.5, “Air carrier operation means the takeoff or landing of an air carrier aircraft and includes the period of time from 15 minutes before until 15 minutes after the takeoff or landing”