Airport Infrastructure Grants

This Assistance Listing Number (ALN) 20.117 was created in August 2025 included in the previous ALN 20.106, please refer to former ALN 20.106 for all FY 2024, FY 2025 (including any prior years) for any Airport Infrastructure Grants (AIG) financial o

As part of the Infrastructure Investment and Jobs Act, the Airport Infrastructure Grant (AIG) program provides $14.5 billion in funding over five years starting in FY 2022. This includes up to $2.39 billion for primary airports and up to $500 million for nonprimary airports. These funds can be invested in runways, taxiways, safety and sustainability projects, as well as terminal, airport transit connections, and roadway projects.

States, counties, municipalities, U.S. Territories and possessions, and other public agencies including an Indian tribe or pueblo, the Republics of the Marshall Islands and Palau, and the Federated States of Micronesia are eligible for airport development grants if the airport on which the development is required is listed in the National Plan of Integrated Airport Systems (NPIAS). Certain local government organizations may be eligible for grants to implement noise planning and compatibility projects. Private owners of public-use reliever airports or airports having at least 2,500 passengers boarding annually and receiving scheduled passenger aircraft service may also be eligible. Eligible airports are included in the NPIAS. Airports in U.S. territories (American Samoa, Northern Mariana Islands, Puerto Rico, the U.S. Virgin Islands, and Guam) are included in the NPIAS and are eligible. Airports in the Republic of the Marshall Islands, Federated States of Micronesia, Republic of Palau, and Midway Island are not included in the NPIAS. This includes a public agency, private entity, state agency, Indian Tribe or Pueblo owning a public-use NPIAS airport, and outside of NPIAS: the Republic of the Marshall Islands, Federated States of Micronesia, Republic of Palau, and the Secretary of the Interior for Midway Island Airport.

The grant program benefits all the eligible applicants listed in this Assistance Listing (states, counties, municipalities, U.S. Territories and possessions, and other public agencies including an Indian tribe or pueblo, the Republics of the Marshall Islands and Palau, the Federated States of Micronesia, and private owners of reliever airports or airports having at least 2,500 passenger boarding annually and receiving scheduled passenger aircraft service), as well as the entities listed under beneficiary eligibility. For IIJA -AIG funded programs eligible airport sponsors are those normally eligible for Airport Improvement Program (AIP) discretionary grants as defined in 49 U.S.C. §47115. This includes a public agency, private entity, state agency, Indian Tribe or Pueblo owning a public-use NPIAS airport, and outside of NPIAS: the Republic of the Marshall Islands, Federated States of Micronesia, Republic of Palau and the Secretary of the Interior for Midway Island Airport.

Under IIJA Airport Infrastructure Grants (AIG), airport sponsor may use these funds for airport-related projects defined under 49U.S.C.40117(a)(3), with exception of debt service.

Projects are expected to be completed as expeditiously as possible, and periods of performance are a maximum of 4 years starting from the date of grant award execution. Most airports complete projects within two to three years of grant award. Method of awarding/releasing assistance: Awarded by lump sum. Assistance is released upon application for reimbursement of expenses.

Preapplication coordination is required. An environmental impact statement is required for this listing. An environmental impact assessment is required for this listing. This program is eligible for coverage under E.O. 12372, "Intergovernmental Review of Federal Programs." An applicant should consult the office or official designated as the single point of contact in his or her State for more information on the process the State requires to be followed in applying for assistance, if the State has selected the program for review. Preapplication coordination is required. An environmental impact assessment is required for this listing. This program is eligible for coverage under E.O. 12372, "Intergovernmental Review of Federal Programs." An applicant should consult the office or official designated as the single point of contact in his or her State for more information on the process the State requires to be followed in applying for assistance, if the State has selected the program for review. An applicant should consult the office or official designated as the single point of contact in his or her State for more information on the process the State requires to be followed in applying for assistance, if the State has selected the program for review. An environmental impact assessment is required for this program. Alternative environmental reporting and documentation may be acceptable based upon the project type.

Upon program approval for development projects, applicant submits project application, SF 424, Part I (facesheet) and remaining parts of FAA Form 5100-100 to the appropriate FAA field office. Master planning, noise compatibility, and system planning grant applications are submitted to the FAA field offices and, upon approval, grant offers are made. Either the District or Regional Office prepares the agency's Grant Offer, FAA Form 5100-37, for planning and development projects for execution by the grant applicant.

From 90 to 120 days. If the project is challenged on environmental grounds, approval may take longer.