CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES > SUBPART F—Equipment (§23.1301 to §23.1461) > 23.1391—Minimum intensities in the horizontal plane of position lights.

23.1391—Minimum intensities in the horizontal plane of position lights.

Each position light intensity must equal or exceed the applicable values in the following table:
Dihedral angle (light included) Angle from right or left of longitudinal axis, measured from dead ahead Intensity (candles)
L and R (red and green) 0° to 10°10° to 20° 20° to 110° 4030 5
A (rear white) 110° to 180° 20

Code of Federal Regulations

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