Airport Pavement Detail

Sunday, October 1, 1978

Precision Approach Path Indicator Environmental Tests (PAPI)

NA-78-67-LR Author: Paul H. Jones

Precision Approach Path Indicator Environmental Tests (PAPI)

Perform environmental testing of the Belgian-type Precision Approach Path Indicator (PAPI) light units to determine the adverse effects, if any, of unusual weather conditions (fog, dew, blowing dust, etc.) on the external lens system.


NA-78-67-LR
Author: Paul H. Jones

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