CFR /  Title 14  /  Part 23  /  Sec. 23.1383 Taxi and landing lights.

Each taxi and landing light must be designed and installed so that:

(a) No dangerous glare is visible to the pilots.

(b) The pilot is not seriously affected by halation.

(c) It provides enough light for night operations.

(d) It does not cause a fire hazard in any configuration. [Doc. No. 27806, 61 FR 5169, Feb. 9, 1996]