FAA airport diagram of <a href="https://en.wikipedia.org/wiki/Offutt_Air_Force_Base" class="extiw" title="w:Offutt Air Force Base">Offutt Air Force Base</a> (KOFF), Nebraska
<a rel="nofollow" class="external text" href="http://www.naco.faa.gov/">National Aeronautical Charting Office</a>
Effective <a href="//commons.wikimedia.org/w/index.php?title=2007-09-27&amp;action=edit&amp;redlink=1" class="new" title="2007-09-27 (page does not exist)">2007-09-27</a>
<a rel="nofollow" class="external text" href="http://www.naco.faa.gov/d-tpp/0710/00544AD.PDF">original PDF</a>