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A comment on EPA moves towards banning leaded aviation gas. Parent comment

Re:EPA moves towards banning leaded aviation gas by mchid on Saturday October 28, 2023 @05:39PM (#38053640)
No, G100UL is a full drop in replacement that meets the standards off AVGAS which is what is required by the certificate. Fully legal on all engines with no change to the certificate.
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Re:EPA moves towards banning leaded aviation gas by sokoloff on Saturday October 28, 2023 @08:00PM (#38054620)
It does not meet the composition standard of 100LL, which is why you need to buy an STC from GAMI to use it legally in an aircraft.
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