Sec. 23.1393 - Minimum intensities in any vertical plane of 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                l
------------------------------------------------------------------------
0.....................................................        1.00
0 to 5..........................................        0.90
5 to 10.........................................        0.80
10 to 15........................................        0.70
15 to 20........................................        0.50
20 to 30........................................        0.30
30 to 40........................................        0.10
40 to 90........................................        0.05
------------------------------------------------------------------------

[Doc. No. 4080, 29 FR 17955, Dec. 18, 1964, as amended by Amdt. 23-43, 58 FR 18977, Apr. 9, 1993]