Nautical signaling flag "E" Echo 150x180cm This flag may be used to denote the letter "E" or to communicate the following messages: I am heading my course to starboard Characteristics Letter: E Radio: Echo Single flag meaning: “I am turning to starboard.” Morse code:  (  Dot) Original German Army product Non-fading rayon, cotton and linen fabric Rope with hooks Dimensions: 150x180cm NSN 8345-12-120-7254 Federal Supply Classification FSC 8345 - Flags and Pennants National Item Identification Number NIIN 121207254 CODIFICATION COUNTRY: Germany NSN DESCRIPTION: Flag signal