The AOI Engine Factory is situated in Helwan. They assembled the "Larzac 04" and "PT-6" engines.

-They had the foresight to assemble the F-100, F-404 or F-53 according to the selection that the Egyptian Air Force had to do.

-They overhauled the Soviet APUs for the Snecma ATAR-9C and the Larzac, just like the GE T-54 and Allison T-56.