Evaluation of Intensity Distribution Profiles for U.S. Army Rotorcraft Position Lighting Adapted for Image Intensifier Operations
ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL
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Compatibility problems with image intensifier I2 devices and cockpitinterior lighting have been investigated and well documented. However, I2 compatibility with positionexterior lighting is only in the early stages of development. In the Army aviation community, attempts have been made to reduce the detrimental effects of position light intensity on I2 devices by operating lights in dim mode or by masking lights. In these modified lighting configurations, requirements in Federal Aviation Administration FAA regulations are not always satisfied. In this investigation, the intensity distribution profiles for currently employed lighting strategies were evaluated. Further subjective evaluation of the entire position light system, as a whole, is strongly recommended in order to determine all factors that may have impact on the modification of exterior lighting andor requirements. Exterior lighting must be acceptable in both the civilianmilitary aviation environments. Image intensifier, Rotorcraft position lighting, Federal Aviation RegulationsFAR.