Sec. 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:

------------------------------------------------------------------------
                                                              Intensity,
          Angle above or below the horizontal plane                I
------------------------------------------------------------------------
0°.....................................................        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
------------------------------------------------------------------------