FAA diagram of <a href="https://en.wikipedia.org/wiki/Waterloo_Regional_Airport" class="extiw" title="en:Waterloo Regional Airport">Waterloo Regional Airport</a> (ALO) in Waterloo, Iowa, United States.
National Aeronautical Charting Office (NACO), a department of the <a href="https://en.wikipedia.org/wiki/Federal_Aviation_Administration" class="extiw" title="en:Federal Aviation Administration">Federal Aviation Administration</a> (FAA).
2005-10-27
<a rel="nofollow" class="external free" href="http://naco.faa.gov/d-tpp/0511/00945AD.PDF">http://naco.faa.gov/d-tpp/0511/00945AD.PDF</a><br>Note: this URL changes every 28 days; the airport article should contain a link to the current FAA diagram.