FAAProposed Rule

Airworthiness Directives: Lycoming Engines

Transportation

Summary

The FAA is proposing new safety rules for Lycoming aircraft engines to prevent potential mechanical failures that could affect flight safety. These requirements would apply to aircraft owners and operators who use these engines, ensuring planes are inspected and maintained to prevent accidents.

Key Points

  • 1The FAA is requiring inspections and possible modifications to Lycoming engines used in small aircraft to fix a safety problem
  • 2Aircraft owners and operators must comply with these new maintenance requirements to keep their planes airworthy and safe to fly
  • 3The public has until September 23, 2025 to submit comments on this proposed rule before it becomes final
  • 4This regulation applies to general aviation aircraft that use Lycoming engines, affecting private pilots, flight schools, and aircraft operators
  • 5Once approved, operators will need to follow specific inspection schedules and potentially repair or replace affected engine parts

Key Dates

Published

August 7, 2025

Comment Deadline

September 23, 2025

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This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.

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