Published 1937???? No date shown.
Cruising formations and signals. Note that signal flags are Kriegsmarine and not International code flags. Although some look the same, they have different meanings. See chart.
Shapes and flags indicating speed, rudder, order and rank
Special signals and their meaning. Examples: "B" (Bertha) "Drop a bouy and rover it". "NF" (Nanni Fritz) "Do not follow me!"
AK Flank Speed, ST Stop, H Halt (full reverse!) Ask me if you wish to have this translated........
German Kriegsmarine and International Signal Flags 1944. Note the striking differences. A=V, Ä=A, B=F, Q~N........