FAA Halts Flight Testing Of 100LL Replacements
The FAA has temporarily halted flight testing for its Piston Aviation Fuels Initiative (PAFI) unleaded 100LL replacement fuels program while issues related to the differences between the two PAFI fuels and 100LL are being assessed, according to a progress update issued by the FAA on Monday. “Both fuel producers, Shell and Swift, are currently evaluating […]