Historical
SAE AS 264E-2002 (SAE AS264E-2002)
Instrument and Cockpit Lighting for Commercial Transport Aircraft
The desired system for aircraft instrument panel and cockpit lighting is one that will furnishlight of adequate intensity and distribution under all conditions of external lighting so that the crew may read instrumentation, placards, check lists, manuals, maps, instrument color coding, distinguish controls, etc., without undue interference with their vision outside of the aircraft.
Society of Automotive Engineers [sae]