58 Pa. Code § 109.5 - Divers and buoys
Code flag alpha-A rigid flag not less than 1 meter (39.37 inches) square, with the half closest to the staff being white and the other half being blue. The blue segment has a triangular piece removed. The apex of the triangle extends halfway through the blue field.
Divers down flag-A flag not less than 14 inches square, red in color with a white stripe running diagonally from the top of the staff to the opposite lower corner. The white stripe shall be one-fifth as wide as the flag.
Notes
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