MIL-PRF-38039D, PERFORMANCE SPECIFICATION: SYSTEMS, ILLUMINATED, WARNING, CAUTION, AND ADVISORY, GENERAL SPECIFICATION FOR (14-AUG-2013)

MIL-PRF-38039D, PERFORMANCE SPECIFICATION: SYSTEMS, ILLUMINATED, WARNING, CAUTION, AND ADVISORY, GENERAL SPECIFICATION FOR (14-AUG-2013)., This specification covers the general requirements for illuminated warning, caution, and advisory indicators and systems for use at aircrew stations.