14 CFR § 25.1393
Minimum intensities in any vertical plane of forward and rear position lights
July 13, 2020
Each position light intensity must equal or exceed the applicable values in the following table:
Open Table
Angle above or below the horizontal plane | Intensity, 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 |