Nautical Signal Flags K, H, M, and O - Maritime Communication Symbols #2222653 (License: Personal Use)

The image displays four standardized International Code of Signals flags: K (blue left, white right, chevron shape), H (vertical red-white split), M (blue field with white X), and O (diagonal yellow-red). Each flag has a distinct visual design for high visibility and unambiguous recognition under varying sea conditions. These flags are hoisted on ships to communicate specific operational statuses or urgent messages without radio.

Used in maritime navigation, shipping websites, sailing education resources, and naval training materials; this image supports user intent to identify, learn, or reference signal flag meanings for safety, certification, or historical interest.