Quote:
Originally Posted by Half-Inch Stud
Yeap. Forgot the two choices. 110 Lead, and 100 LL
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Nope; no 110 Avgas. Hasn’t been since the 1950s. The standards through the 1990s were 80/87, 100/130 (green). 100/130 LL (low lead…blue) and 115/145 (purple). The standard today is 100/130 LL until UL100 is standardize and no longer requires an STC to use it. 115/145 is being manufactured by one supplier in Poland, primarily for the large radials and inlines in warbirds in Western Europe.