N337AF - <a href="https://en.wikipedia.org/wiki/Cessna_Skymaster" class="extiw" title="w:Cessna Skymaster">Cessna 337</a> / <a href="https://en.wikipedia.org/wiki/O-2_Skymaster" class="extiw" title="w:O-2 Skymaster">O-2 Skymaster</a>
Mark Wagner
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>