It could be the grandest STC ever, and it’s awarded to Oklahoma-based General Aviation Modifications Inc., for its 100-octane G100 unleaded fuel. The STC is for Lycoming-equipped Cessna 172 models, but the company says it will be expanded in time. That could be sooner than some expect, given the approved data that’s already in place. Another unknown is when the fuel will make it through the supply channels in volume. There is an agreement with Avfuel, a supplier that delivers roughly 40 percent of avgas to the U.S. market, for blending and distribution.
Here is what we learned from our editorial perch right smack in the middle of AirVenture, where the heads of EAA and AOPA, Jack Pelton and Mark Baker, jointly hosted the PAFI (Piston Aircraft Fuel Development) forum to break the big news.