29.1391—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 and green) 0° to 10°10° to 20° 20° to 110° 4030 5
A (rear white) 110° to 180° 20