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 |
source: Docket No. 5084, 29 FR 16150, Dec. 3, 1964, unless otherwise noted.
cite as: 14 CFR 29.1393