Annin "A" / Diver Down International Code Signal Flag
- The "A" Flag, or Alfa Flag, is used to represent the alphabetic character A for use in a visual message between boats
- It also means "I have a diver down - Keep well clear at slow speed"
- Material: Nylon Flag and Rope with Wood Toggle
- This long-lasting nautical flag is made from nylon fabric with double-stitched seams and canvas heading