Silver bullion embroidery on a yellow background — for flying personnel. 3 "birds" in a large wreath, Oberst (colonel).
How to sew collar tabs on? Put a collar tab on the collar of the field jacket so that it is not less than 5 mm from the edge. Fix it with a bright thread (which then remove) or glue. When collar tabs sit properly, they need to be sewn with a thread over the edge.