用于飞机仪表板和驾驶舱照明的期望系统是在所有外部照明条件下提供足够强度和分布的光，使得机组人员可以阅读仪器、标牌、检查表、手册、地图、仪表颜色编码、区分控制等。，而不会过度干扰他们在飞机外部的视觉。

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.