I grew up on a small military training base in Manitoba and every year there were square dancing helicopters at the air show. We called them Dragonflies because they were painted in black and yellow, but I'm pretty sure (if I remember correctly- it's been well over 25 years since the last time I saw them!) they were JetRangers. It was always one of the highlights of the show to see these helicopters square dance in three dimensions and perform maneuvers that I'm sure the designers never intended nor would approve of!
Watching those tractors dance was impressive too though!
Def