Title 49, TransportationRelease 119-110

§40125 Qualifications for Public Aircraft Status

Title 49 › SUBTITLE VII — AVIATION PROGRAMS › PART A — AIR COMMERCE AND SAFETY › subpart i — general › CHAPTER 401 — GENERAL PROVISIONS › § 40125

Last updated Sep 22, 2026|Official source

Summary

Says when a government or military airplane counts as a "public aircraft." It gives short definitions: "commercial purposes" means carrying people or goods for pay (with a few narrow exceptions); "governmental function" means official government work like defense, firefighting, law enforcement, research, or inspections; "qualified non-crewmember" is someone on board who is not crew but is there for military or government duties; "armed forces" means the military as defined in title 10. Government-owned planes do not count as public aircraft if they are used for commercial work or carry someone who is not crew or a qualified non-crewmember. Military planes count as public aircraft if they are flown under title 10, or if they perform government functions under titles 14, 31, 32, or 50 and are not used for commercial purposes, or if they are chartered to provide commercial service to the military and the Secretary of Defense (or the relevant Secretary for the Coast Guard) says the flights are needed in the national interest. National Guard planes only count when they are directly controlled by the Department of Defense. A non‑leased plane used for search and rescue can be treated as a public aircraft only if the FAA finds extraordinary circumstances, the plane will do search and rescue, the community otherwise lacks those services, and a government shows the waiver is needed to avoid an undue economic burden.

Full Legal Text

Title 49, §40125

Transportation, Source: USLM XML via OLRC

(a)Definitions.—
In this section, the following definitions apply:
(1)Commercial purposes.—
The term “commercial purposes” means the transportation of persons or property for compensation or hire, but does not include the operation of an aircraft by the armed forces for reimbursement when that reimbursement is required by any Federal statute, regulation, or directive, in effect on November 1, 1999, or by one government on behalf of another government under a cost reimbursement agreement if the government on whose behalf the operation is conducted certifies to the Administrator of the Federal Aviation Administration that the operation is necessary to respond to a significant and imminent threat to life or property (including natural resources) and that no service by a private operator is reasonably available to meet the threat.
(2)Governmental function.—
The term “governmental function” means an activity undertaken by a government, such as national defense, intelligence missions, firefighting, search and rescue, law enforcement (including transport of prisoners, detainees, and illegal aliens), aeronautical research, biological or geological resource management (including data collection on civil aviation systems undergoing research, development, test, or evaluation at a test range (as such term is defined in section 44801)), infrastructure inspections, or any other activity undertaken by a governmental entity that the Administrator determines is inherently governmental.
(3)Qualified non-crewmember.—
The term “qualified non-crewmember” means an individual, other than a member of the crew, aboard an aircraft—
(A)operated by the armed forces or an intelligence agency of the United States Government; or
(B)whose presence is required to perform, or is associated with the performance of, a governmental function.
(4)Armed forces.—
The term “armed forces” has the meaning given such term by section 101 of title 10.
(b)Aircraft Owned by Governments.—
An aircraft described in subparagraph (A), (B), (C), (D), or (F) of section 40102(a)(41) does not qualify as a public aircraft under such section when the aircraft is used for commercial purposes or to carry an individual other than a crewmember or a qualified non-crewmember.
(c)Aircraft Owned or Operated by the Armed Forces.—
(1)In general.—
Subject to paragraph (2), an aircraft described in section 40102(a)(41)(E) qualifies as a public aircraft if—
(A)the aircraft is operated in accordance with title 10;
(B)the aircraft is operated in the performance of a governmental function under title 14, 31, 32, or 50 and the aircraft is not used for commercial purposes; or
(C)the aircraft is chartered to provide transportation or other commercial air service to the armed forces and the Secretary of Defense (or the Secretary of the department in which the Coast Guard is operating) designates the operation of the aircraft as being required in the national interest.
(2)Limitation.—
An aircraft that meets the criteria set forth in paragraph (1) and that is owned or operated by the National Guard of a State, the District of Columbia, or any territory or possession of the United States, qualifies as a public aircraft only to the extent that it is operated under the direct control of the Department of Defense.
(d)Search and Rescue Purposes.—
An aircraft described in section 40102(a)(41)(D) that is not exclusively leased for at least 90 continuous days by the government of a State, the District of Columbia, or a territory or possession of the United States or a political subdivision of 1 of those governments, qualifies as a public aircraft if the Administrator determines that—
(1)there are extraordinary circumstances;
(2)the aircraft will be used for the performance of search and rescue missions;
(3)a community would not otherwise have access to search and rescue services; and
(4)a government entity demonstrates that granting the waiver is necessary to prevent an undue economic burden on that government.

Legislative History

Notes & Related Subsidiaries

Editorial Notes

Amendments

2024—Subsec. (a)(2). Pub. L. 118–63 substituted “aeronautical research,” for “aeronautical research, or” and inserted “(including data collection on civil aviation systems undergoing research, development, test, or evaluation at a test range (as such term is defined in section 44801)), infrastructure inspections, or any other activity undertaken by a governmental entity that the Administrator determines is inherently governmental” after “biological or geological resource management”. 2018—Subsec. (b). Pub. L. 115–254 substituted “(D), or (F)” for “or (D)”. 2012—Subsec. (d). Pub. L. 112–141 added subsec. (d). 2008—Subsec. (b). Pub. L. 110–181, § 1078(c)(1), substituted “section 40102(a)(41)” for “section 40102(a)(37)”. Subsec. (c)(1). Pub. L. 110–181, § 1078(c)(2), substituted “section 40102(a)(41)(E)” for “section 40102(a)(37)(E)” in introductory provisions. Subsec. (c)(1)(C). Pub. L. 110–181, § 1078(b), inserted “or other commercial air service” after “transportation”.

Statutory Notes and Related Subsidiaries

Effective Date

of 2012 AmendmentAmendment by Pub. L. 112–141 effective Oct. 1, 2012, see section 3(a) of Pub. L. 112–141, set out as an Effective and Termination Dates of 2012 Amendment note under section 101 of Title 23, Highways.

Effective Date

Section applicable only to fiscal years beginning after Sept. 30, 1999, see section 3 of Pub. L. 106–181, set out as an

Effective Date

of 2000

Amendments

note under section 106 of this title.

Transfer of Functions

For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relating thereto, to the Department of Homeland Security, and for treatment of related references, see section 468(b), 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.

Reference

Citations & Metadata

Citation

49 U.S.C. § 40125

Title 49, Transportation

Last Updated

Sep 22, 2026

Release point: 119-110