National Environmental Policy Act (NEPA) Implementing Instructions for Airport Projects
Order 5050.4B
April 2006
- Preamble (PDF, 657 KB)
(Editorially updated 5/5/2006 to be consistent with version published in Federal Register) - Complete Order with Appendices (PDF, 2.18 MB)
Note: The above document does not include the Preamble.
Because of the size of the document, we have broken it up into several smaller files below.
(This file and the Order files listed below were updated on 7/21/2006 to correct minor editorial and grammatical errors. To request a listing of revisions, please contact Ed Melisky.) - Cover and Cover Memorandum (PDF)
- Table of Contents (PDF)
- Introduction (PDF)
- Chapter 1. Order Objectives and Definitions (PDF)
- Chapter 2. Special NEPA Requirements and Responsibilities for Airport Actions (PDF)
- Chapter 3. Agency and Tribal Coordination (PDF)
- Chapter 4. Public Participation (PDF)
- Chapter 5. Airport Planning and NEPA (PDF)
- Chapter 6. Categorical Exclusions (PDF)
- Chapter 7. The Environmental Assessment (PDF)
- Chapter 8. Finding of No Significant Impact (FONSI) (PDF)
- Chapter 9. The Environmental Impact Statement (EIS), Scoping, and Cooperating Agencies (PDF)
- Chapter 10. The Environmental Impact Statement (PDF)
- Chapter 11. Processing the Draft Environmental Impact Statement (DEIS) (PDF)
- Chapter 12. Processing the Final Environmental Impact Statement (FEIS) (PDF)
- Chapter 13. The Record of Decision (PDF)
- Chapter 14. Special Instructions on Re-Evaluating, Supplementing, and Tiering NEPA Documents and Addressing Emergencies (PDF)
- Chapter 15. Environmental Stewardship and Streamlining for Airport Development Projects (PDF)
- Appendix 1. Flow Charts Depicting Steps for Completing: Categorical Exclusions, Environmental Assessments, Findings of No Significant Impact, Environmental Impact Statements, and Records of Decision (PDF)