AvGas

First such regulation in the U.S. goes into effect in 2031.

GAMI founder George Braly offers responses to a series of criticisms and questions about G100UL, his company’s unleaded replacement for 100LL.

This aircraft has 950 hours on the airframe and on both Continental CD135 engines and MT composite propellers since new.

The anticipated new model runs on jet-A and features redundant FADEC systems.

A short flight generates sobering thoughts on insurance, eyesight, and avgas.

UL100E fuel produced by LyondellBasell/VP Racing is first to pass the 150-hour durability test under PAFI.

The recent news about the University of North Dakota returning its fleet to leaded fuel after discovering excessive valve recession in aircraft using Swift Fuels UL94 has grabbed the attention of many aircraft operators.

UND has gone back to 100LL from UL94 after citing an issue with “exhaust valve recession” in the Lycoming engines that power its fleet.

AOPA began flight testing in its AOPA Baron of unleaded, high-octane avgas. The project launched this week with the introduction of GAMI’s G100UL during initial flights in Oklahoma.

The EAGLE consortium needs to soar to the challenge now that the FAA and industry must move forward on its roadmap.