They fly low to give passengers a better view of wildlife at Glacier and to catch one of Yellowstone's geysers in eruption, and their engine noise has intruded upon interpretation of Great Smoky Mountains' flora and fauna to hikers. Now, however, there could be some reversal in the Federal Aviation Administration's failure to respond to Congress' call in 2000 to craft plans to police air tours over the National Park System.
While the FAA has held meetings to discuss park overflights since the National Park Air Tour Management Act passed in 2000, some participants described them as a waste of time with no real concrete efforts to make the overflights safer for those in the air and quieter for those on the ground.