Banning BASE Jumping?
However the National Park Service has the authority to ban specific activities in US National Parks, and has done so for BASE jumping. The authority comes from 36 CFR 2.17(3), which prohibits, “Delivering or retrieving a person or object by parachute, helicopter, or other airborne means, except in emergencies involving public safety or serious property loss, or pursuant to the terms and conditions of a permit.