Diver Down Flag - Official Red and White Warning Signal for Underwater Activities #1432870 (License: Personal Use)

The diver down flag features a solid red background with a single white diagonal stripe running from the upper left to lower right corner. It serves as a standardized maritime signal to warn boaters and watercraft operators of submerged divers in the vicinity. Proper display of this flag is mandated by many coastal authorities to prevent accidents and ensure diver safety.

Used on boats, dive sites, and marine signage to alert others of underwater activity; commonly seen in recreational diving, professional diving operations, and coastal safety campaigns. Matches user intent for understanding maritime signals, dive safety protocols, or preparing for water-based activities.