Page:United States Statutes at Large Volume 101 Part 1.djvu/707

 PUBLIC LAW 100-91—AUG. 18, 1987

101 STAT. 677

without change unless the Administrator determines that implementing the recommendations would adversely affect aviation safety. If the Administrator determines that implementing the recommendations would adversely affect aviation safety, he shall, not later than 60 days after making such determination, in consultation with the Secretary and after notice and opportunity for hearing, review the recommendations consistent with the requirements of paragraph (1) to eliminate the adverse effects on aviation safety and issue regulations implementing the revised recommendations in the plan. In addition to the Administrator's authority to implement such regulations under the Federal Aviation Act of 1958, the Secretary may enforce the appropriate requirements of the plsm under such rules and regulations applicable to the units of the National Park System as he deems appropriate. (3) REPORT.—Within 2 years after the effective date of the plan required by subsection 03)(2), the Secretary shall submit to the Congress a report discussing— (A) whether the plan has succeeded in substantiedly restoring the natural quiet in the park; and (B) such other matters, including possible revisions in the plan, as may be of interest. The report shall include comments by the Administrator regarding the effect of the plan's implementation on aircraft safety. (c) HELICOPTER FUGHTS OF RIVER RUNNERS.—Subsection (b) shall not prohibit the flight of helicopters— (1) which fly a direct route between a point on the north rim outside of the Grand Cginyon National Park and locations on the Hualapai Indian Reservation (as designated by the Tribe); and (2) whose sole purpose is transporting individuals to or from boat trips on the Colorado River and any guide of such a trip. SEC. 4. BOUNDARY WATERS CANOE AREA WILDERNESS.

Regulations.

49 USC app. 1301 note.

Indians.

16 USC la-1 note.

The Administrator shall conduct surveillance of aircraft flights over the Boundary Waters Canoe Area Wilderness as authorized by the Act of October 21, 1978 (92 Stat. 1649-1659) for a period of not less than 180 days beginning within 60 days of enactment of this Act. In addition to any actions the Administrator may take as a Reports. result of such surveillance, he shall provide a report to the Committee on Interior and Insular Affairs and the Committee on Public Works and Transportation of the United States House of Representatives and to the Committee on Energy and Natural Resources and the Committee on Commerce, Science, and Transportation of the United States Senate. Such report is to be submitted within 30 days of completion of the surveillance activities. Such report shall include but not necessarily be limited to information on the type and frequency of aircraft using the airspace over the Boundary Waters Canoe Area Wilderness. SEC. 5. ASSESSMENT OF NATIONAL FOREST SYSTEM WILDERNESS OVERFLIGHTS. (a) ASSESSMENT BY FOREST SERVICE.—The Chief of the Forest

Service (hereinafter referred to as the "Chief) shall conduct an assessment to determine what, if any, adverse impacts to wilderness resources are gissociated with overflights of National Forest System wilderness areas. The Administrator of the Federal Aviation Administration shall provide technical assistance to the Chief in

16 USC la-1 note.

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