<https://www.avsim.com/forums/topic/440672-amazing-helicopter-video/#comment-2976060>
<http://schema.org/text>
"http://www.cnn.com/video/data/2.0/video/us/2014/04/25/vo-red-bull-helicopter-aerial-stunts.red-bull.html \n  \nThey have come a long long way since the Sikorsky SH-3C/D I had some seat time in. \n"
<https://www.avsim.com/forums/topic/440672-amazing-helicopter-video/?tab=comments#comment-2976681>