Mil Mi-4
<a href="https://en.wikipedia.org/wiki/User:Hrd10" class="extiw" title="en:User:Hrd10">Jan Hrdonka</a>
CC BY-SA 4.0
<a href="//commons.wikimedia.org/wiki/File:Mi-4-JH01.jpg" title="File:Mi-4-JH01.jpg">commons file</a>