§25.1391 Minimum intensities in the horizontal plane of forward and rear position lights

Each position light intensity must equal or exceed the applicable values in the following table: Dihedral angle Angle from right or left of longitudinal Intensity candela (candles) (light included) axis, measured from dead ahead L and R 0o to 10 o 41 (40) (forward red and green) 10 o to 20 o 31 (30) 20 o to 110 o 5 A (rear white) 110 o to 180 o 20