History, Legislation and Policies

Director's Order #47: Soundscape Preservation And Noise Management December 1. 2000

Public Law 106-181, National Parks Air Tour Management Act, April 2000 (164kb PDF File)

Public Law 100-91, National Parks Overflight Act, August 1987 (50.9kb PDF File)

Federal Register Notices - 1999 to Current

Documents 

Sound Levels and Audibility of Common Sounds in Frontcountry and Transitional Areas in Grand Canyon National Park, 2007-2008, NPS Report No. GRCA-08-04, November 12, 2008. (4.31MB PDF file)

Global Explorers "Leading the Way" Soundscape Project, Colorado River, Grand Canyon National Park, July-August 2008, NPS Report No. GRCA-08-03, October 20, 2008. (266 kb PDF file)

General Aviation Use of the Fossil Canyon Corridor, Grand Canyon National Park, NPS Report No. GRCA08-02, July 7, 2008 (742 kb PDF file)

Winter Ambient Sound Levels in Grand Canyon National Park NPS Report No. 07-02 March 7, 2007 (PDF file 232 kb)

Sound levels along Hermit Road in Grand Canyon National Park NPS Report No. 07-01, January 8, 2007 (PDF file 259 kb)

Sound Levels in the Primary Vegetation Types in Grand Canyon National Park, NPS Report No. GRCA 05-02, July 2005, January 25, 2006 (PDF file 255 kb)

Natural Ambient Sound Sample Site Selection NPS Report No. GRCA 05-01, August 22, 2005 (PDF file 960 kb)

Federal Interagency Committee on Aviation Noise (FICAN) Report on Modeling Tools March 18, 2005 (PDF file 2.86 MB)

Percentage of Time Jet Aircraft are Audible in Grand Canyon National Park HMMH Job No. 295860.44, June 23, 2004 (PDF file 783kb)

Aircraft Noise Model Validation Study HMMH Report No. 295860.29, January 1, 2003

Report on Effects of Aircraft Overflights on the National Park System, Executive Summary, Report to Congress, Appendixes, July 1995

Maps

Management Zones and Air Tour Routes, June 2007 (2.75MB PDF File)

Trails and Air Tour Routes, June 2007 (2.81MB PDF File)

Grand Canyon National Park Special Flight Rules Area, January 2006 (753kb PDF File) 

Grand Canyon National Park News Releases (PDF)

Federal Aviation Administration and National Park Service Invite Public Participation Regarding Preparation of an Environmental Impact Statement (EIS) for Actions to Substantially Restore Natural Quiet to the Grand Canyon National Park.
25 January 2006

National Park Service And FAA Hosting Meeting On Grand Canyon Overflights Issues.
13 January 2005

National Park Service And FAA Hosting Meeting On Grand Canyon Overflights Issues.
7 September 2004

Grand Canyon National Park Benefits From Latest Rules Released By The FAA.
28 March 2000

FAA Announces Latest Plans To Restore Natural Quiet At Grand Canyon National Park.
9 July 1999