This version is a substantial rewrite and incorporates the recommendations and guidelines developed under Airport Cooperative Research Program (ACRP) Report 52, Wayfinding and Signing Guidelines for Airport Terminals and Landside, completed in 2011. 150/5360-12F - (PDF, 4.5 MB) Table of Contents for AC 150/5360-12F - (PDF, 231 KB) 09-26-2013