Pub. L. 102-581, tit. I, sec. 134
AIR TRAFFIC OVER GRAND CANYON.
SEC. 134. AIR TRAFFIC OVER GRAND CANYON. (a) Study.—The Administrator of the Federal Aviation Administration, in consultation with the Director of the National Park Service, the State of Arizona, the State of Nevada, the Clark County Department of Aviation, affected Indian tribes, and the general public, shall conduct a study on increased air traffic over Grand Canyon National Park. 106 STAT. 4888 (b) Report.—The Administrator of the Federal Aviation Administration shall submit to Congress a report on the results of the study conducted under subsection (a). The report shall include the following: (1) A report on the increase in air traffic over Grand Canyon National Park since 1987. (2) A forecast of the increase in air traffic over Grand Canyon National Park through 2010. (3) A report on the carrying capacity of the airspace over Grand Canyon National Park to ensure aviation safety and to meet the requirements established by section 3 of the Act of August 18, 1987 (Public Law 100–91; 101 Stat. 676), including the substantial restoration of natural quiet at the Park. (4) A plan of action to manage increased air traffic over Grand Canyon National Park to ensure aviation safety and to meet the requirements established by such section 3 of the Act of August 18, 1987, including any measures to encourage or require the use of quiet aircraft technology by commercial air tour operators.