Welcome to the homepage for the Environmental Assessment of RNAV and RNP Procedures at Denver International Airport, Centennial Airport and Rocky Mountain Metropolitan Airport.

The Federal Aviation Administration (FAA) has completed the Final Environmental Assessment of RNAV and RNP Procedures at Denver International Airport, Centennial Airport and Rocky Mountain Metropolitan Airport. A Finding of No Significant Impact/Record of Decision (FONSI/ROD) was issued on August 29, 2012.

Final Environmental Assessment and FONSI/ROD

Download the full document (note that graphics are saved at a lower resolution to reduce file size):

Cover Page, FONSI/ROD, Table of Contents, and Chapters 1 through 7 (80,445 KB)
Appendices (55,149 KB)

Download Chapters and Appendices:

Cover Page and Table of Contents (1,788 KB)
Finding of No Significant Impact/Record of Decision (FONSI/ROD) (1,373 KB)
Chapter 1, Project Background and Purpose and Need for the Action (2,551 KB)
Chapter 2, Alternatives (47,120 KB)
Chapter 3, Affected Environment (32,844 KB)
Chapter 4, Environmental Consequences (94,364 KB)
Chapter 5, Public and Agency Involvement Summary (36,731 KB)
Chapter 6, List of Preparers (26 KB)
Chapter 7, List of Acronyms, Abbreviations, and Glossary of Terms (76 KB)
Appendix A, National Airspace System Overview (106 KB)
Appendix B, Noise and its Effect on People (540 KB)
Appendix C, Fleet Mix Technical Report (200 KB)
Appendix D, Noise Modeling Technical Report (157,752 KB)
Appendix E, Listing of Section 6(f) Resources (1,584 KB)
Appendix F, Listing of Historic Resources (442 KB)
Appendix G, Noise Exposure at Local Parks (434 KB)
Appendix H, Public and Agency Involvment (19,521 KB)
Spreadsheet, Noise Results at Population Centroids (14,840 KB)