Jay Honeck wrote:
So why can't the EAA offer an STC that calls for the replacement of
parts that are attacked by ethanol? From my talks with the EAA they
are just going to let the mogas STC die.

Most likely because going through the entire fuel system of an airplane
to ensure everything in there is unaffected by ethenol and proving
it to the satisfaction of the FAA is a huge undertaking for one airplane
let alone the more common models of the GA fleet.

Another example of regulatory insanity. My A&P could make my aircraft
ethanol-compliant in less than a day by changing out a few parts -- but THAT
isn't good enough for the FAA.

Unless you have a really simple airplane, I think you are grossly
underestimating the task.

You start at the filler cap and go through every material, every
seal, every valve and fitting until you get to the cylinders.

Then you have to show the engine actually runs at all the temperature,
altitude, and power setting combinations with ethenol in the fuel.

Why, if an A&P is willing to sign it off, is *that* not sufficient?

Assuming the A&P did all the above and submitted all the data, it
probably would be.

--
Jim Pennino

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