AIGA Air Transportation sign (inverted)
AIGA. Uploaded to Commons by <a href="//commons.wikimedia.org/wiki/User:ChrisRuvolo" title="User:ChrisRuvolo">User:ChrisRuvolo</a>
Uploaded to Commons on 5 January 5 2007
From <a rel="nofollow" class="external autonumber" href="http://www.aiga.org/content.cfm?ContentID=147">[1]</a> <a rel="nofollow" class="external autonumber" href="http://www.aiga.org/Resources/SymbolSigns/eps/20_airtransportation.eps">[2]</a> converted from EPS to SVG using pstoedit.  Edited in Inkscape. See also the <a rel="nofollow" class="external text" href="http://ntl.bts.gov/DOCS/images/AGAPP/AGAPP07.GIF">drawing proportions</a>.