Fliegerfaust The Fiegerfaust was designed by HASAG (Hugo Schneider AG) of Leipzig in the year 1944; the Luftfaust was shaped in two diverse accounts. The first version was called the Fliegerfaust A, had four 20 mm caliber barrels. These fired 20 mm projectiles weighing 90 g which contained 19 g of explosive, impelled with the help of a small rocket. The second