Truth be told, I was mostly on board with G100UL once it was approved for every spark ignition engine. However, I was a little skeptical to put it in my plane when I heard about the use of aromatics in the fuel, as those have been a large issue in all types of engines, vehicles, and industries over the past decades. I guess that skepticism was right.
Most of the GA fleet isn’t maintained perfectly, that’s a fact of life. This fuel seems to make known issues worse and looks to cause issues itself. Just about every airplane will probably leak fuel sometime in its life and shouldn’t need a new paint job because of fuel every few months (weeks? days?). Paint seems to be the least of our worries though after seeing all this real world experience. This is the real world testing people wanted to see and it’s not looking good. It’s a shame but I believe it would be very foolish and dangerous for the industry to move forward with this fuel.
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