U.S. Army Human Engineering Laboratory Helicopter Cockpit Lighting Study. Phase 1. An Evaluation of Current and Potential Instrument Panel Lighting Techniques for Use in Army Helicopters
ARMY MATERIEL COMMAND ABERDEEN PROVING GROUND MD HUMAN ENGINEERING LAB
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The objective of the study is to evolve lighting specifications which will alleviate current cockpit lighting problems. The objective of this phase was to quantitatively identify the problems with current lighting systems in Army helicopters. It also investigated the potential improvements afforded by some of the state-of-art lighting techniques. Luminance measurements were made at various points on instrument dial faces. Results are shown in tabular and pictorial forms. The results also showed that the current techniques of post and eyebrow lighting are unacceptable. From a comparison of all the techniques examined, the circular wedge technique gave the best light distribution. Illuminance measurements were made at the pilots eye positions for use in other phases of the lighting study.
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