Airport Environmental Programs
The Airport Environmental Programs help airports implement the National Environmental Policy Act (NEPA) and other Federal environmental laws and regulations. This includes airport noise compatibility planning (Part 150), airport noise and access restrictions (Part 161), environmental review for airport development.
Notice About Limited Federal Financial Assistance Categorical Exclusion (B-2.4(gg)) Thresholds
Please see Airport Environmental Review Process (NEPA) for the current Limited Federal Financial Assistance CATEX thresholds.
- Airport Air Quality
- Airport Environmental Mitigation Pilot Program (EMPP)
- Airport Environmental Review Process (NEPA)
- Airport Noise (Part 150 and Part 161)
- Airport Recycling
- Airport Sustainability
- Compatible Land Use
- Wildlife Hazard Mitigation
Advisory Circulars (ACs)
Data, Tools, & Resources
- Airport Noise Compatibility Planning Data/Program Status (by State)
- Airport Noise and Land Use Information (including Noise Exposure Maps)
Guidance & Policy
Environmental Orders
- Environmental Due Diligence Audits (EDDA) in the Conduct of FAA Real Property Transactions (Order 1050.19)
- Environmental Impacts: Policies and Procedures (Order 1050.1)
- Land Acquisition and Relocation Assistance for Airport Projects (Order 5100.37)
- National Environmental Policy Act (NEPA) Implementing Instructions for Airport Projects (Order 5050.4)
- Prevention, Control and Abatement of Environmental Pollution at FAA Facilities (Order 1050.10)
- More Environmental Programs Orders
Publications & Forms
Regional Supplemental Guidance
Additional guidance on this topic is available for the following regions of the country:
- Alaskan (AK)
- Great Lakes (IL, IN, MI, MN, ND, OH, SD, WI)
- New England (CT, ME, MA, NH, RI, VT)
- Northwest Mountain (CO, ID, MT, OR, UT, WA, WY)
- Southern (AL, FL, GA, KY, MS, NC, PR, SC, TN, VI)
Recent Federal Register Notices
Last updated: Friday, May 29, 2026