Nautical signaling flag "W" Whiskey 150x180cm This flag can be used to indicate the letter "W" or to communicate the following messages: I need medical assistance Characteristics Letter to Radiofonia: Whiskey Single flag meaning: “ I require medical assistance. ” Morse Code: · − −  (Dot Dash Dash) Original German Army product Non-fading rayon, cotton and linen fabric Rope with hooks Dimensions: 150x180cm NSN 8345-12-120-7397 Federal Supply Classification FSC 8345 - Flags and Pennants National Item Identification Number NIIN 121207397 CODIFICATION COUNTRY: Germany NSN DESCRIPTION: Flag signal