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December 18, 2023
National Park System: Air Tour Management Issues
The statutory and regulatory framework for conducting air
delays, many existing air tour operations continued to run
tours over units of the National Park System has been of
under interim operating authorities provided by the act.
ongoing interest to Congress. The National Parks Air Tour
Management Act of 2000 (Air Tour Act; P.L. 106-181; 49
In 2012, Congress amended the Air Tour Act (P.L. 112-95,
U.S.C. §40128) governs commercial air tours over most
§501) to allow NPS and FAA, in lieu of an ATMP, to enter
National Park System units as well as tribal lands within or
into “voluntary agreements” with individual air tour
abutting park units. The act requires the Federal Aviation
operators. Similar to ATMPs, voluntary agreements may
Administration (FAA) and the National Park Service (NPS)
address the conduct of air tours (e.g., routes, altitudes,
to create air tour management plans (ATMPs) for sites at
timing restrictions) and provide incentives for quiet aircraft
which operators apply to conduct commercial air tours,
technology, among other conditions. After an opportunity
with some exceptions. Congress has conducted oversight
for public review and consultation with any tribes whose
and considered additional legislation on national park
lands may be flown over, a voluntary agreement may be
overflights and ATMPs. Some stakeholders seek to limit or
implemented “without further administrative or
prohibit commercial air tours over national park units
environmental process” (P.L. 112-95, §501(c)). In 2015,
owing to concerns about noise, resource protection, and
2016, and 2018, the agencies finalized voluntary
safety; others advocate for additional opportunities and
agreements with some operators at Big Cypress National
greater flexibility for air tour operators to support their
Preserve, Biscayne National Park, and Glen Canyon
livelihoods and contribute to local economies.
National Recreation Area.
Legislative Background
P.L. 112-95 also exempted park units with 50 or fewer
Air tours over national park units have been regulated by a
annual air tour flights from the requirement to establish an
series of statutes. The National Parks Overflights Act of
ATMP or voluntary agreement. As of February 2023, the
1987 (P.L. 100-91) contained provisions for air tour
FAA reported that 54 park units with air tours are exempted
management at several park units and required a broader
from requirements to establish an ATMP or voluntary
NPS study of the effects of all park overflights. The study
agreement because they have 50 or fewer annual flights.
informed the 2000 Air Tour Act, which governs air tours
The number of exempted parks may change from year to
over units of the National Park System outside Alaska,
year based on changes by operators in the number of air
except Grand Canyon National Park. (Other laws and
tours flown. The NPS Director also can withdraw an
regulations address air tours at Grand Canyon National
exemption in order to protect park resources and values or
Park; see, for example, P.L. 112-141, §35001(a)(1).)
visitor use and enjoyment.
The Air Tour Act generally directs FAA and NPS to create
Recent Developments
ATMPs covering National Park System units, as well as
A 2020 court order (In re Public Employees for
tribal lands within or abutting park units, where operators
Environmental Responsibility, 957 F.3d 267 (D.C. Cir.
seek to conduct air tours. Each plan could prohibit or limit
2020)) required FAA and NPS to bring 23 eligible parks
air tours, such as by route and altitude restrictions. The
into compliance with the Air Tour Act within specified time
purpose of a plan is to mitigate or prevent any harm
frames. Under the court order, the agencies completed 12
commercial air tours may cause to natural and cultural
ATMPs and several voluntary agreements with operators in
resources, visitor experiences, and tribal lands.
2022 and 2023, as shown in Table 1, below. The agencies
Development of an ATMP requires environmental review
have released draft ATMPs for several additional units—
under the National Environmental Policy Act (NEPA; 42
Haleakala National Park, Hawai’i Volcanoes National Park,
U.S.C. §§4321-4370f). The Air Tour Act also established
Bandelier National Monument, and Canyon de Chelly
the National Parks Overflights Advisory Group
National Monument—and are negotiating voluntary
(NPOAG)—including federal officials, aviation industry
agreements at Lake Mead National Recreation Area.
representatives, air tour operators, environmental groups,
and tribes—to advise the agencies on park air tours.
Issues and Legislation
The recent ATMPs and voluntary agreements vary in their
Under the law and its implementing regulations, FAA
continuity with air tour activities under the interim
received applications to conduct commercial air tours at
operating authorities. At some units, the number of flights
more than 100 park units or adjacent tribal lands. FAA and
allowed under the new plans matches the annual average of
NPS began developing ATMPs for about a dozen sites, but
flights in 2017-2019 under the interim authorities. This is
development proceeded more slowly than expected, and
the case for Bryce Canyon National Park (515 tours
through 2021, no ATMPs were completed. Despite the
authorized annually in the ATMP based on 2017-2019
averages), Arches National Park (309 tours), and Great
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