An Annotated Compilation of NAFEC Visual Aid Letter and Data Reports 1971-1975

This report releases Federal Aviation Administration (FAA) letter and data reports to the general public. These reports were issued by the National Aviation Facilities Experimental Center (NAFEC) to the System Research and Development Service (SRDS) between the years 1971 to 1975, and cover testing and evaluation efforts for visual guidance and airport lighting configurations.

Contained herein are the original letter and data reports including an annotation of the results and actions brought about by their findings.