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HR-4994House2025-08-19Transportation and Public Works

Safe Air on Airplanes Act

YourVoice.Now Summary

Average Household ImpactCorporate Benefits

Airliners would have to stop drawing cabin air off the engines — new designs immediately, existing ones over 30 years.

Average Household Impact

  • Cabin air quality standards — New aircraft designs barred from drawing cabin air off engines
  • Filtration requirement — Newly built bleed-air planes need filters proven to remove oil fumes

Corporate Benefits

  • Design flexibility for aircraft makers — Bleed air phased out on a fixed 30-year schedule

The details

Cabin air on most airliners is drawn straight off the engines, a design called bleed air. When engine oil seals leak, fumes can reach passengers and crew. The FAA would have to write rules ending that design. New aircraft types could not use bleed air systems at all. The agency would have six months to update its regulations. Existing aircraft designs would change more slowly. Seven years in, newly built planes still using bleed air would need filters proven to strip out oil fumes. A quarter of those aircraft would have to be built without bleed air within 10 years. That rises to half within 20 years, and all of them within 30 years.

Congressional Summary

Safe Air on Airplanes ActThis 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), andprovide for a phaseout (over a 30-year period) of the use of bleed air systems in existing turbine and turboprop aircraft designs.

Details

Congress
119th
Chamber
House
Status
summarized
Action
Introduced in House
Action Date
2025-08-19
Date Added
2026-07-24
Source
Congress.gov →

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