Airport Pavement Detail

Thursday, September 1, 1977

Test and Evaluation of Modifications to ALSF - Threshold and Prethreshold Lighting to Improve Visual Guidance for Category II Operations

NA-77-47-LR Author: Guy S. Brown

Test and Evaluation of Modifications to ALSF - Threshold and Prethreshold Lighting to Improve Visual Guidance for Category II Operations

Determine the improvements required to enhance the visual cues in the threshold and prethreshold areas of runways equipped with the ALSF-I Approach Light System. and authorized for Category II operations, and to test the resultant system configuration.


NA-77-47-LR
Author: Guy S. Brown

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