H.R. 4994

[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[H.R. 4994 Introduced in House (IH)]

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119th CONGRESS
1st Session
H. R. 4994

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.

_______________________________________________________________________

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 BILL

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.

Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the ``Safe Air on Airplanes Act''.

SEC. 2. REGULATIONS ON BLEED AIR SYSTEMS IN CERTAIN AIRCRAFT.

(a) Regulations Required.--Not 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 System.--In 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.
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