§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: Dihedral angle (light included) Angle from right or left of longitudinal axis, measured from dead ahead Intensity (candles) 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