The Airport Improvement Program (AIP) provides grants to public agencies — and, in some cases, to private owners and entities — for the planning and development of public-use airports that are included in the National Plan of Integrated Airport Systems (NPIAS). See the AIP Glossary for a description of AIP-related terms. Grant History Look Up
The FAA’s Airport Improvement Program (AIP) provides grants that fund airport planning and infrastructure projects such as constructing or rehabilitating runways, taxiways, ramps, and runway safety areas in addition to airport signage, lighting, and markings. The grants strengthen U.S. aviation infrastructure by improving safety, efficiency, and the overall travel experience for pilots and passengers alike.
This document describes the Passenger Facility Charges which all major airports (including Sea-Tac) collect at a rate of $1-$4 per enplaned passenger. This money is then used by the airport operator (The Port Of Seattle) for airport improvements (eg. resurfacing the runways) as well as noise mitigation. This is the source of revenue from which