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FAA approves unleaded avgas for GA piston aircraft (2022)
- cmurf 4y agoAnd related, the organization licensing the unleaded fuel has started selling the required supplementary type certificate (STC) for unleaded avgas (G100UL), as of Feb 2023. https://www.avweb.com/ownership/fuel-news/gami-begins-g100ul-stc-sales/ https://www.avweb.com/ownership/fuel-news/gami-begins-g100ul...