ELIMINATE AVIATION GASOLINE LEAD EMISSIONS INITIATIVE

Eliminate the use of lead in aviation fuel for piston engine aircraft in the United States by the end of 2030 without impacting the safe and efficient operation of the existing fleet.

EAGLE

Industry

FAA

NASEM

EPA

Eliminate Aviation Gasoline Lead Emissions (EAGLE)

Interactive Toolkit

	Piston Aviation Fuels Initiative (PAFI) Process & Metrics
	Statistics (Includes Airports & Logistics Maps)
	Transition to Unleaded Aviation Gasoline “Big Picture”

Featured Resources

Apr 2025	Report Unleaded Fuel Issues: FAA Special Airworthiness Information Bulletin (SAIB)
	NATA Misfueling Prevention Program
Jul 2023	Transitioning a Flight School to UL Avgas

Fact Sheets and Resources

Nov 2024	Fact Sheet – The Two FAA Pathways to Approve Use of Unleaded Aviation Fuel
Nov 2024	Fact Sheet – The Value of Industry Voluntary Consensus Standards
Oct 2023	White Paper on Endangerment Finding
Oct 2023	Q&A on Endangerment Finding

Stakeholder Meetings

Feb 2025	FAAST Saturday Wings and Coffee (video)
Feb 2025	FAAST Saturday Wings and Coffee (presentation)
Jul 2024	AirVenture (video)
Jul 2024	AirVenture (presentation)
Jul 2024	AirVenture (EAGLE Statement Following Unleaded Fuels Update) )
Apr 2024	Virtual (video)
Apr 2024	Virtual (presentation)
Oct 2023	Virtual
Mar 2023	Virtual
Nov 2022	Virtual
Jul 2022	AirVenture
Jun 2022	Virtual
Mar 2022	Virtual

EAGLE Member Resources

	Misfueling Prevention Program \| NATA
Aug 2024	AOPA Baron Fuel Cells \| AOPA
Apr 2024	Factors Affecting the Commercial Sale of Emerging Unleaded Aviation Fuels \| NATA
Sep 2021	Unleaded Avgas Conversion Considerations for Aviation Fuel Providers \| NATA

Federal Aviation Administration (FAA)

Piston Aviation Fuels Initiative (PAFI)

Dec 2024	LyondellBasell-VP Racing UL 100E PAFI Testing Status
May 2024	Materials Compatibility Test Plan PAFI Materials Compatibility Test Plan (PAFI-MTP-002) Materials Test Matrix
Jun 2023	FAA Pathways to Approve Use of New Unleaded Fuel
Mar 2023	Policy Statement: Enabling the Use of Unleaded Aviation Gasoline in Piston Engine Aircraft and Aircraft Engines through the Piston Aviation Fuels Initiative (PAFI) Fleet Authorization Process
Jun 2022	Test Plan Matrix
Aug 2022	Background and Program Update
Aug 2022	Fuel Development & Testing: Lessons Learned Best Practices Considerations

Unleaded AVGAS Transition Aviation Rulemaking Committee (UAT ARC)

Feb 2012	FAA UAT ARC Final Report Part I Body Unleaded AVGAS Findings & Recommendations
Feb 2012	FAA UAT ARC Final Report Part II Appendices Unleaded AVGAS Findings & Recommendation

Additional Resources

2024	FAA Reauthorization Act of 2024 (SEC. 770. Grant Assurances, SEC. 771. Aviation Fuel in Alaska, SEC. 827. EAGLE Initiative)
2022	FAA, Industry Chart Path to Eliminate Lead Emissions from General Aviation by the end of 2030
Oct 2022	Environment & Airports
Oct 2022	What can airports do in the short term to reduce lead emissions?
Dec 2016	Advisory Circular 20-188: Compatibility of Changes to Type Design Installed on Aircraft

National Academies of Science, Engineering, and Medicine (NASEM)

2021

Options for Reducing Lead Emissions from Piston-Engine Aircraft

Environmental Protection Agency (EPA)

Oct 2023	Final Finding That Lead Emissions From Aircraft Engines That Operate on Leaded Fuel Cause or Contribute to Air Pollution That May Reasonably Be Anticipated To Endanger Public Health and Welfare
Oct 2022	Proposed Finding that Lead Emissions from Aircraft Engines That Operate on Leaded Fuel Cause or Contribute to Air Pollution that May Reasonably Be Anticipated to Endanger Public Health and Welfare
Jan 2022	EPA to Evaluate Whether Lead Emissions from Piston-Engine Aircraft Endanger Human Health and Welfare

	Misfueling Prevention Program \| NATA
Aug 2024	AOPA Baron Fuel Cells \| AOPA
Apr 2024	Factors Affecting the Commercial Sale of Emerging Unleaded Aviation Fuels \| NATA
Sep 2021	Unleaded Avgas Conversion Considerations for Aviation Fuel Providers \| NATA