(See FMA)

In several occasions this name appears as a brand, though it really is an engine that is built at “Talleres Nacionales de Construcciones Aeronáuticas”, the FMA or the Military Aviation Factory of that country.

"Aztatl, de FMA"

-So ”Aztatl” is a model name. In fact, it is the Anzani six-cylinder engine manufactured under license. We show a clearer picture of this Mexican engine, under Anzani license.

"Aztatl engine with Anahuac propeller"

From appendix A4/6: Below we show a picture with a closer view where we can see the name on the crankcase casting.

"The name on the central crankcase casting."