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H.R. 4994
U.S. House•In House Committee
Summary
H.R. 4994, the Safe Air on Airplanes Act, was introduced in the House on Aug 19, 2025 by Rep. Maxwell Frost (D) with 13 co-sponsors. It was referred to Subcommittee on Aviation, and last saw action on Aug 20, 2025: Referred to the Subcommittee on Aviation.
Record
Text
H.R. 4994 has 13 co-sponsors.
hb4994/introduced-in-house.txt119 HR 4994 IH: Safe Air on Airplanes ActU.S. House of Representatives2025-08-19text/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. 4994 IN THE HOUSE OF REPRESENTATIVES August 19, 2025 Mr. Frost (for himself, Mr. Lawler , and Mr. Garamendi ) introduced the following bill; which was referred to the Committee on Transportation and Infrastructure A BILLTo require the Administrator of the Federal Aviation Administration shall update the regulations to issue regulations to phase out the use of bleed air systems in certain aircraft, and for other purposes.1.Short titleThis Act may be cited as the Safe Air on Airplanes Act .2.Regulations on bleed air systems in certain aircraft(a)Regulations requiredNot later than 6 months after the date of enactment of this Act, the Administrator of the Federal Aviation Administration shall update the regulations under part 25 of title 14, Code of Federal Regulations, and any other applicable regulations, to—(1)prohibit new type certified turbine and turbo-prop aircraft designs from using bleed air systems;(2)require that, beginning on the date that is 7 years after the date of enactment of this Act, any bleed air system in a newly manufactured aircraft is fitted with a filter or combination of filter and air cleaning device designed and demonstrated to remove gaseous and particulate components of oil fumes; and(3)provide for a phase-out of the use of bleed air systems in the manufacture of existing type designs of turbine and turbo-prop driven aircraft according to the following:(A)Not later than 10 years after the date of enactment of this Act, 25 percent of such aircraft shall be manufactured without bleed air systems.(B)Not later than 20 years after the date of enactment of this Act, 50 percent of such aircraft shall be manufactured without bleed air systems.(C)Not later than 30 years after the date of enactment of this Act, 100 percent of such aircraft shall be manufactured without bleed air systems.(b)Definition of bleed air systemIn this Act, the term bleed air system means an air system that—(1)uses compressed air that is taken from an aircraft engine, or auxiliary power unite compressor stage, that is upstream of the combustion chamber or on a shaft driven by a turbine engine; and(2)provides pressurized air to the aircraft pneumatic system that passengers or crew could foreseeably inhale or come in contact with during the operation of the aircraft for applications including ventilation.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-08-19
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
CRS Summary
The summaries are the Congressional Research Service’s, one per stage. Read them in full.
Introduced in House Aug 19, 2025
hb4994/introduced-in-house.mdShown Here:
Introduced in House (08/19/2025)
Safe Air on Airplanes Act
This bill directs the Federal Aviation Administration (FAA) to update regulations to phase out and prohibit bleed air systems in certain types of aircraft. In general, a bleed air system uses compressed air that is taken from an aircraft engine that is upstream of the combustion chamber and provides pressurized air for the aircraft’s environmental control system (e.g., ventilation).
Under the bill, the FAA must
- prohibit new turbine and turboprop aircraft designs from using bleed air systems,
- require (beginning seven years after the bill’s enactment) that any bleed air system in a newly manufactured aircraft is fitted with a filter (i.e., a device that removes gaseous and particulate components of oil fumes), and
- provide for a phaseout (over a 30-year period) of the use of bleed air systems in existing turbine and turboprop aircraft designs.
Sponsors
Rep. Maxwell Frost (D) sponsors H.R. 4994, and 13 members have co-sponsored it, 2 of them from the day it was introduced.

Rep. · D–FL-10 · Sponsor
Introduced Aug 19, 2025

Rep. · D–CA-8 · Co-sponsor
Joined Aug 19, 2025 · Original

Rep. · R–NY-17 · Co-sponsor
Joined Aug 19, 2025 · Original

Rep. · R–PA-1 · Co-sponsor
Joined Sep 15, 2025

Rep. · D–NC-4 · Co-sponsor
Joined Dec 18, 2025

Rep. · D–DC-0 · Co-sponsor
Joined Feb 9, 2026

Rep. · D–IL-11 · Co-sponsor
Joined Feb 11, 2026

Rep. · D–OR-6 · Co-sponsor
Joined Mar 3, 2026

Rep. · D–OR-3 · Co-sponsor
Joined Mar 9, 2026

Rep. · D–NH-1 · Co-sponsor
Joined Mar 12, 2026
Committees
H.R. 4994 went before 2 committees: Aviation Subcommittee and Transportation and Infrastructure.

Actions
H.R. 4994 has taken 3 actions since Aug 19, 2025, the latest on Aug 20, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Aug 20, 2025 | House | Referred to the Subcommittee on Aviation.Aviation Subcommittee | ||
Aug 19, 2025 | House | Introduced in House | ||
Aug 19, 2025 | House | Referred to the House Committee on Transportation and Infrastructure.Transportation and Infrastructure Committee |
Votes
H.R. 4994 has not gone to a roll call.
Titles
H.R. 4994 goes by 3 titles, 1 of them short titles.
- Safe Air on Airplanes Act — Display Title
- To require the Administrator of the Federal Aviation Administration shall update the regulations to issue regulations to phase out the use of bleed air systems in certain aircraft, and for other purposes. — Official Title as Introduced
- Safe Air on Airplanes Act — Short Title(s) as Introduced
Lobbying
5 clients hired 5 firms and 31 registered lobbyists who named H.R. 4994 in 13 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, Budget/Appropriations, Trade (domestic/foreign), Aerospace, Defense, Labor Issues/Antitrust/Workplace, Retirement, Taxation/Internal Revenue Code.
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 | 4 | — |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | — | District of Columbia | 1 | 4 | — |
| AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC | — | Virginia | 1 | 3 | — |
| AIR LINE PILOTS ASSOCIATION | — | Virginia | 1 | 1 | — |
| HONEYWELL AEROSPACE US LLC | Aerospace technologies | Arizona | 1 | 1 | — |
Firms
Registrants who filed on the bill, by filings.
Lobbyists
Named on the filings that cite the bill. The 20 named most often, of 31.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| BEN TIMMINS | 1 | 1 | 4 |
| COLE SCANDAGLIA | 1 | 1 | 4 |
| JARROD THOMPSON | 1 | 1 | 4 |
| JOSHUA SALTZMAN | 1 | 1 | 4 |
| SHARON PINKERTON | 1 | 1 | 4 |
| SUNSHINE MCBRIDE | 1 | 1 | 4 |
| UDITINDER THAKUR | 1 | 1 | 4 |
| DAVID WINFREY | 1 | 1 | 3 |
| EMMA PRESTON | 1 | 1 | 3 |
| HENRY JOHNSON | 1 | 1 | 3 |
| WILLIAM CHAPMAN | 1 | 1 | 3 |
| CHRISTINE BURGESON | 1 | 1 | 2 |
| HARRISON COSTELLO | 1 | 1 | 2 |
| JESSICA MONAHAN | 1 | 1 | 2 |
| KRISTINE O'BRIEN | 1 | 1 | 2 |
| MARK COPELAND | 1 | 1 | 2 |
| SHELLEY RUBINO | 1 | 1 | 2 |
| ABBY SAUVIGNE | 1 | 1 | 1 |
| DAVID MARTIN | 1 | 1 | 1 |
| DREW THARP | 1 | 1 | 1 |
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 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 |
| AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC | AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. | 2025 third_quarter | $790K | 3rd Quarter - Report |
| AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC | AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. | 2025 fourth_quarter | $540K | 4th Quarter - Report |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | INTERNATIONAL BROTHERHOOD OF TEAMSTERS | 2026 second_quarter | $489.1K | 2nd Quarter - Report |
| AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC | AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. | 2025 third_quarter | $460K | 3rd Quarter - Amendme… |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | INTERNATIONAL BROTHERHOOD OF TEAMSTERS | 2026 first_quarter | $432K | 1st Quarter - Report |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | INTERNATIONAL BROTHERHOOD OF TEAMSTERS | 2025 fourth_quarter | $324.5K | 4th Quarter - Report |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | INTERNATIONAL BROTHERHOOD OF TEAMSTERS | 2025 third_quarter | $324.1K | 3rd Quarter - Report |
| AIR LINE PILOTS ASSOCIATION | AIR LINE PILOTS ASSOCIATION | 2026 second_quarter | $266K | 2nd Quarter - Report |
| HONEYWELL AEROSPACE US LLC | HONEYWELL AEROSPACE US LLC | 2026 second_quarter | $90K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 4994 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. 4994’s is Transportation and Public Works.
hr4994/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 4994, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 139 (Tuesday, August 19, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. FROST:H.R. 4994.Congress has the power to enact this legislation pursuantto the following:Article I, Section 8, Clause 1 and 18 of the U.S.Constitution[Page H3703]
Source: congress.gov · legiscan.com