29.1393—Minimum intensities in any vertical plane of forward and rear position lights.

Each position light intensity must equal or exceed the applicable values in the following table:
Angle above or below the horizontal plane Intensity, I
1.00
0° to 5° .90
5° to 10° .80
10° to 15° .70
15° to 20° .50
20° to 30° .30
30° to 40° .10
40° to 90° .05