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G100UL on the Market: What Can You Expect?

As of this writing, G100UL high-octane unleaded avgas is on sale at two airports in California with more expected. What does the future hold for users?

Graphic depiction of wear metals in the AOPA-sponsored Baron running 100LL in one engine and GAMI’s G100UL in the other after approximately 180 hours in service.

As most pilots following the efforts to get unleaded avgas to users are aware, there was a consent judgment entered into between the Center for Environmental Health, a California nonprofit organization, and a score of FBOs and avgas distributors in December 2014. The quick summary of the agreement and court order is that it required those FBOs and fuel distributors to sell unleaded avgas as soon as it was “commercially available.” The case was filed in Alameda County, California.

Just before we went to press, we learned that the Center for Environmental Health has filed a series of pleadings to enforce the 2014 judgment and is asking that the court find the FBOs in contempt of court for failing to comply with the judgment and seeking sanctions against the distributors because a high-octane unleaded avgas, GAMI’s G100UL, is commercially available in California.

Rick Durden

Senior Editor Rick Durden has written for Aviation Consumer since 1994 and specializes in aviation law. Rick is an active CFII and holds an ATP with type ratings in the Douglas DC-3 and Cessna Citation. He is the author of The Thinking Pilot’s Flight Manual or, How to Survive Flying Little Airplanes and Have a Ball Doing It, Vols. 1 & 2.