Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2020-01-01Original Date: 2020-01-01Title: Section § 25.1391 - Minimum intensities in the horizontal plane of forward and rear position lights.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES. Subpart F - Equipment. - Lights.
§ 25.1391 Minimum intensities in the horizontal plane of forward and rear 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 aheadIntensity (candles)
L and R (forward red and green) 0° to 10°10° to 20° 20° to 110° 4030 5
A (rear white) 110° to 180° 20