50 C.F.R. § 27.34 Aircraft.
Title 50 - Wildlife and Fisheries
The unauthorized operation of aircraft, including sail planes, and hang gliders, at altitudes resulting in harassment of wildlife, or the unauthorized landing or take-off on a national wildlife refuge, except in an emergency, is prohibited. National wildlife refuge boundaries are designated on up-date FAA aeronautical charts.
Title 50: Wildlife and Fisheries
PART 27—PROHIBITED ACTS
Subpart C—Disturbing Violations: With Vehicles
§ 27.34 Aircraft.
