§27.1391 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: Angle from right or left Intensity Dihedral angle of longitudinal (candelas) (light included) axis, measured from dead ahead L and R (forward red 0° to 10° 40 and green) 10° to 20° 30 20° to 110° 5 A (rear white) 110° to 180° 20