Text in force at 23-63: from 23-43, effective 10 May 1993.
Each position light intensity must equal or exceed the applicable values in the following table: Angle above or below the horizontal planeIntensity 0�-----------------------------------------------------------------1.00 I. 0� to 5�----------------------------------------------------------0.90 I. 5� to 10�--------------------------------------------------------0.80 I. 10� to 15�------------------------------------------------------0.70 I. 15� to 20�------------------------------------------------------0.50 I. 20� to 30�------------------------------------------------------0.30 I. 30� to 40�------------------------------------------------------0.10 I. 40� to 90�------------------------------------------------------0.05 I.
58 FR 18977 · Source