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H.R. 4126
U.S. House•In House Committee
Summary
H.R. 4126, the ARMS Act, was introduced in the House on Jun 25, 2025 by Rep. Elijah Crane (R) with 1 co-sponsor. It was referred to Subcommittee on Transportation and Maritime Security, and last saw action on Jun 26, 2025: Referred to the Subcommittee on Transportation and Maritime Security.
Record
Text
H.R. 4126 has 1 co-sponsor.
hb4126/introduced-in-house.txt119 HR 4126 IH: Aviation Risk Mitigation and Security ActU.S. House of Representatives2025-06-25text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 4126 IN THE HOUSE OF REPRESENTATIVES June 25, 2025 Mr. Crane introduced the following bill; which was referred to the Committee on Homeland Security A BILLTo direct the Transportation Security Administration to carry out covert testing and risk mitigation improvement of aviation security operations, and for other purposes.1.Short titleThis Act may be cited as the Aviation Risk Mitigation and Security Act or the ARMS Act .2.TSA covert testing and risk mitigation improvement(a)In generalNot later than 180 days after the date of the enactment of this Act, the Administrator of the Transportation Security Administration (TSA) shall establish the following to strengthen aviation security operations:(1)In accordance with subsection (b), a system for conducting risk-informed, headquarters-based covert testing project scenarios for aviation security operations, including relating to airport passenger and baggage security screening operations, that can yield statistically valid data that can be utilized to identify and assess the nature and extent of any vulnerabilities to such operations that are not mitigated by current security operations.(2)A long-term headquarters-based covert testing program, employing static but risk-informed threat vectors, based on annual risk assessments of emerging threats, designed to assess the effectiveness of aviation security operations on an annual basis.(b)MethodologyThe Administrator of the TSA shall conduct the risk-informed, headquarters-based covert testing project scenarios for aviation security operations under paragraph (1) of subsection (a) based on annual risk assessments of emerging threats. The Administrator shall—(1)conduct not fewer than three such covert testing project scenarios to identify any systemic vulnerabilities in aviation security operations, and ensure that each Category X airport in the United States is included in such covert testing project scenarios at least once per fiscal year; and(2)document the methodology, assumptions, and rationale guiding the selection and execution of such covert testing project scenarios to ensure statistical validity and actionable results.(c)Mitigation(1)In generalThe Administrator of the TSA shall establish a process to address and mitigate any vulnerabilities to aviation security operations identified and assessed pursuant to the covert testing project scenarios conducted under paragraph (1) of subsection (a).(2)AnalysisNot later than 90 days after identifying a vulnerability referred to in paragraph (1), the Administrator of the TSA shall conduct a root cause analysis to determine the origin and contributing factors relating to such vulnerability.(3)DeterminationNot later than 150 days after conducting the analysis under paragraph (2), the Administrator of the TSA shall make a determination regarding whether or not to mitigate the vulnerability referred to in such paragraph, and shall prioritize mitigating such vulnerability based on the ability to reduce risk. If the Administrator determines—(A)to not mitigate such vulnerability, the Administrator shall document the justification relating thereto; or(B)to mitigate such vulnerability, the Administrator shall establish and document—(i)key milestones appropriate for the level of effort required to so mitigate such vulnerability; and(ii)a date by which measures to so mitigate such vulnerability shall be implemented by the TSA.(4)RetestingNot later than 180 days after the date on which measures to mitigate a vulnerability are completed by the TSA pursuant to paragraph (3)(B)(ii), and to the extent applicable, the Administrator of the TSA shall conduct a covert testing project scenario in accordance with subsection (a)(1) for the aviation security operation with respect to which such vulnerability was identified to assess the effectiveness of such measures to mitigate such vulnerability.(d)Annual reporting(1)Compilation of test resultsNot later than November 30 of the first full fiscal year that begins after the date of the enactment of this Act and annually thereafter, the Administrator of the TSA, in consultation with the Secretary of Homeland Security, shall produce a report detailing the results of all covert testing project scenarios for aviation security operations under subsection (a)(1) conducted in the immediately preceding fiscal year by the TSA. Each such report shall—(A)be submitted in unclassified form, but may contain a classified annex in accordance with paragraph (2); and(B)include—(i)a summary of all vulnerabilities to aviation security operations that were identified and the respective dates of such identifications;(ii)the status of mitigation efforts under subsection (c), including key milestones and expected completion dates;(iii)the results of retesting under such subsection on previously mitigated vulnerabilities;(iv)justifications for vulnerabilities that remain unmitigated under such subsection, and a determination of whether full mitigation is feasible; and(v)an assessment of security improvements based on covert testing data trends.(2)Submission to CongressThe Administrator of the TSA shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate each report required under paragraph (1) together with the Transportation Security Administration’s annual budget request. Each such report may include classified and sensitive security information, and any such information shall be submitted as a classified annex.(3)Public disclosure of covert testing performance at Category X airports(A)In generalNot later than November 30 of the first full fiscal year that begins after the date of the enactment of this Act and annually thereafter, the Administrator of the TSA shall publish, and maintain on a publicly accessible website of the TSA, a summary of performance data acquired as a result of covert testing project scenarios conducted at Category X airports under subsection (b)(1) during the immediately preceding fiscal year. Each such summary shall—(i)include, at a minimum—(I)the total number of tests carried out as part of such covert testing project scenarios conducted at Category X airports;(II)the aggregate pass rate and failure rate, expressed as percentages, for all such covert tests, calculated across all tested locations and covert testing project scenarios; and(III)general observations or trend data regarding changes in performance compared to the prior fiscal year; and(ii)not include test scenario details, methodologies, or airport-specific data that could compromise aviation security operations.(B)ExceptionClause (ii) of subparagraph (A) shall not apply with respect to summary-level statistics regarding the overall performance of TSA screening operations at Category X airports for purposes of public availability of the annual summaries under such subparagraph.(e)GAO reviewNot later than three years after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the Administrator of the TSA, the Committee on Homeland Security of the House of Representatives, and the Committee on Commerce, Science, and Transportation of the Senate a report on the effectiveness of the TSA’s processes for conducting covert testing that yields statistically valid data that can be utilized to assess the nature and extent of any vulnerabilities to aviation security operations that are not effectively mitigated by current security operations.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-06-25
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To direct the Transportation Security Administration to carry out covert testing and risk mitigation improvement of aviation security operations, and for other purposes.
Sponsors
Rep. Elijah Crane (R) sponsors H.R. 4126, and 1 member has co-sponsored it.
Committees
H.R. 4126 went before 2 committees: Transportation and Maritime Security Subcommittee and Homeland Security.

Actions
H.R. 4126 has taken 3 actions since Jun 25, 2025, the latest on Jun 26, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jun 26, 2025 | House | Referred to the Subcommittee on Transportation and Maritime Security.Transportation and Maritime Security Subcommittee | ||
Jun 25, 2025 | House | Introduced in House | ||
Jun 25, 2025 | House | Referred to the House Committee on Homeland Security.Homeland Security Committee |
Votes
H.R. 4126 has not gone to a roll call.
Titles
H.R. 4126 goes by 4 titles, 2 of them short titles.
- ARMS Act — Display Title
- ARMS Act — Short Title(s) as Introduced
- Aviation Risk Mitigation and Security Act — Short Title(s) as Introduced
- To direct the Transportation Security Administration to carry out covert testing and risk mitigation improvement of aviation security operations, and for other purposes. — Official Title as Introduced
Lobbying
1 client hired 1 firm and 10 registered lobbyists who named H.R. 4126 in 5 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Aviation/Airlines/Airports.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | — | District of Columbia | 1 | 5 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 1 | 5 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| JARROD THOMPSON | 1 | 1 | 5 |
| JOSHUA SALTZMAN | 1 | 1 | 5 |
| SHARON PINKERTON | 1 | 1 | 5 |
| CHRISTINE BURGESON | 1 | 1 | 3 |
| KRISTINE O'BRIEN | 1 | 1 | 3 |
| SHELLEY RUBINO | 1 | 1 | 3 |
| HARRISON COSTELLO | 1 | 1 | 2 |
| JESSICA MONAHAN | 1 | 1 | 2 |
| MARK COPELAND | 1 | 1 | 2 |
| NICHOLAS CALIO | 1 | 1 | 2 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 2025 second_quarter | $1.5M | 2nd Quarter - Report |
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 2025 third_quarter | $1.3M | 3rd Quarter - Report |
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 2025 fourth_quarter | $1.2M | 4th Quarter - Report |
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 2026 second_quarter | $1.1M | 2nd Quarter - Report |
| AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | AIR TRANSPORT ASSOCIATION OF AMERICA, INC. (D/B/A AIRLINES FOR AMERICA) | 2026 first_quarter | $1M | 1st Quarter - Report |
Classification
The Congressional Research Service files H.R. 4126 under Transportation and Public Works, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 4126’s is Transportation and Public Works.
hr4126/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 4126, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 109 (Wednesday, June 25, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. CRANE:H.R. 4126.Congress has the power to enact this legislation pursuantto the following:Article I, Section 8, Clause 18, of the U.S. Constitution[Page H2970]
Source: congress.gov · legiscan.com