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Unleaded Avgas Transition Faces Delays As 2030 Deadline Blurs
The FAA recently acknowledged that its congressionally mandated transition plan for unleaded aviation fuel remains unfinished, creating uncertainty around the highly publicized 2030 phaseout deadline for 100LL. At recent industry gatherings, officials revealed that while alternative fuels from GAMI and Swift Fuels are making certification progress, unresolved questions remain regarding fleetwide compatibility and approval methods. These shifting regulatory timelines matter to pilots and aircraft owners because they directly impact future fuel availability and whether legacy engines will require costly modifications to keep flying safely.