Blackhawk helicopters out of Carp Airport

I live out in the west end and have been hearing some thump-thump-thumping of larger helicopters in the area in recent weeks. I guess Carp Airport is one of the places the Blackhawk helicopters fly out from for the new border measures.

https://www.cbc.ca/news/canada/blackhawk-border-flights-1.7476242