Instrument lights.

CFR · 2024-01-01 · US · Title 14

The instrument lights must— (a) Make each instrument, switch, and other device for which they are provided easily readable; and (b) Be installed so that— (1) Their direct rays are shielded from the pilot's eyes; and (2) No objectionable reflections are visible to the pilot.

official document · source cfr-2024 · id 14:§ 29.1381