Lighting, Integral, For Aircraft Instruments: Criteria for Design of Red Incandescent Lighted Instruments(STABILIZED Apr 2012)
ARP582D
This SAE Aerospace Recommended Practice (ARP) covers the general requirements and test procedures for illuminating systems for integrally lighted aircraft instruments in order to provide (a) uniformity of illumination within each instrument, (b) legibility of instrument presentation under daylight or integral light, and (c) uniformity of illumination between instrument displays.