Aircraft Certification Service (AIR) Draft Publications Open for Comment

Document Title: FAA-IR-M-8040.1D, Airworthiness Directives Manual
Summary: This manual provides policy and guidance for drafting, issuing, and distributing ADs. It explains the laws that apply to ADs, procedures for writing an AD, and policies on key AD-related issues. This manual cancels FAA-IR-M-8040.1C, Airworthiness Directives Manual, dated May 17, 2010.
Documents for Download:  Draft Document
Comment Matrix
Comments Due: January 16, 2026
How to Comment: Email comments to:
9-AVS-TechWriters@faa.gov

 

Document Title: Draft FAA Transition Plan to Unleaded Aviation Gasoline
Summary: 2024 FAA Reauthorization Act, Section 827, directed FAA to develop a formal Transition Plan to unleaded Avgas. The FAA is seeking public comments on the draft FAA Transition Plan to Unleaded Aviation Gasoline to facilitate a structured, safe, timely, coordinated, and orderly transition to unleaded aviation gasoline alternatives while maintaining the operational efficiency of the general aviation fleet. The comprehensive framework outlined in this transition plan encompasses fuel authorizations and comparison testing, market experience, and the national transition to unleaded fuel(s).
Documents for Download:  Draft Document
Comment Matrix
Comments Due: March 13, 2026
How to Comment: Email comments to:
9-AVS-AIR670-AVGAS@faa.gov

For additional information, please contact:
Paul Wrzesinski, PhD.
Senior Technical Specialist, Aviation Fuels
Telephone (M): 817-201-6726
Email: Paul.J.Wrzesinski@faa.gov
Last updated: Monday, January 12, 2026