Cockpit Lighting Compatibility With Image Intensification Night Imaging Systems: Issues And Answers

Clarence E. Rash; Robert W. Verona

doi:10.1117/12.960912

5 September 1989 Cockpit Lighting Compatibility With Image Intensification Night Imaging Systems: Issues And Answers

Clarence E. Rash, Robert W. Verona

Proceedings Volume 1116, Helmet-Mounted Displays; (1989) https://doi.org/10.1117/12.960912
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

Night imaging systems based on image intensification (I²) tubes are a major factor in the night operation capability of U.S. Army rotary-wing aircraft. A major problem associated with the use of these systems is the detrimental effect caused by internal cockpit lighting. Instrument lamps, caution lamps, utility lights, and other light sources inside the cockpit activate the bright source protection control circuits of the intensification tubes, thereby reducing their sensitivity to external natural and artificial illumination. In 1986, a Tri-Service specification, MIL-L-85762, "Lighting, aircraft, interior, night vision imaging system compatible," was adopted to resolve the cockpit lighting problems. MIL-L-85762 defines the measurement instrumentation and techniques required to certify lighting components as "ANVIS compatible." The specification does not address compatibility problems associated with AN/PVS-5 usage. Ongoing efforts related to MIL-L-85762 include characterization of lighting incompatibilities in current U.S. Army aircraft, implementation of programs to modify the lighting in incompatible cockpits, and certification of proposed lighting components for future aircraft systems. Additional work has been done to provide "near compatible" solutions to lighting problems associated with the use of AN/PVS-5 systems.

Citation Download Citation

Clarence E. Rash and Robert W. Verona "Cockpit Lighting Compatibility With Image Intensification Night Imaging Systems: Issues And Answers", Proc. SPIE 1116, Helmet-Mounted Displays, (5 September 1989); https://doi.org/10.1117/12.960912

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