{"data":{"id":"us/14-cfr-25.1381","jurisdiction":"us","citation":"14 CFR 25.1381","heading":"Instrument lights.","body":"(a) The instrument lights must—\n(1) Provide sufficient illumination to make each instrument, switch and other device necessary for safe operation easily readable unless sufficient illumination is available from another source; and\n(2) Be installed so that—\n(i) Their direct rays are shielded from the pilot's eyes; and\n(ii) No objectionable reflections are visible to the pilot.\n(b) Unless undimmed instrument lights are satisfactory under each expected flight condition, there must be a means to control the intensity of illumination.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"de00974a02d966c1b78f414bcb2a49c62c622f63a3feac4d7f5dbe9b58f476ad","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-25.1365","next":"us/14-cfr-25.1383"},"notice":"GroundRules: Original legal text. Not legal advice."}