Well, I think it will fly high enough not to get in the way, and crowd noise would cover any sound it makes? I believe they’ll use it throughout the lead up to the Derby too?

 I was thinking the same thing

Professional photographer Vanessa Ng of Horse-Races.Net ***THE REAL HRN -- THE ORIGINAL SINCE 1994*** is at Churchill Downs all week for the Kentucky Derby (G1) and Oaks (G1). Photos so far here:
http://forums.delphiforums.com/alexbrown/messages?msg=64673.20

Human rights attorneys have filed a formal complaint with the Kentucky Horse Racing Commission, asking the state agency to ban Sheikh Mohammed and his morning line favorite, Essential Quality, from the Kentucky Derby.

https://www.paulickreport.com/news/triple-crown/attorneys-file-complaint-with-kentucky-commission-to-block-sheikh-mohammed-from-derby/

I do not think it will go anywhere 

Not before the Derby at least.....

https://www.latimes.com/sports/story/2021-04-30/kentucky-derby-horse-owners-hot-rod-charlie

 Meet the Owners of Hot Rod Charlie!

McPeek's King Fury scratched from Derby  Will point to Travers.  Disappointing he was looking good this week.

Spiked a fever.

Yes, I worry about others in his barn now.

https://www.paulickreport.com/news/triple-crown/king-fury-out-of-derby-with-a-fever-elevated-white-cell-count/

Well crap! Baffert again. Congrats!