14 CFR 29.1393 - Minimum intensities in any vertical plane of forward and rear position lights.

Regulations most recently checked for updates: Aug 27, 2025

§ 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
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