Fletcher FU-24, how loud?

Video Channel
Please help us to find bad videos. Broken or unappropriated video content?
Take a guess at how loud this full-sized crop duster is at 50 meters?
The FU-24 950m is powered by an 8-cylinder horizontally opposed Lycoming O-720 engine producing 400 horsepower and a *lot* of prop noise.
I caught this footage today at the Tokoroa Airfield (28 Oct 2016)
Mdp.lt is not the owner of this text/video/image/photo content, the real source of content is Youtube.com and user declared in this page publication as Youtube.com user, if you have any question about video removal, what was shared by open community, please contact Youtube.com directly or report bad/not working video links directly to video owner on Youtube.com. Removed video from Youtube.com will also be removed from here.