When I fly out of KSCH (Schenectady Co., NY), we routinely have to dodge...
Grey Wolf (I think it's wolf...might be "Fox"), which are the NY State Police aircraft (I THINK the ones that give you the tickets from the air on the freeways)
and
"Skier" for the Air National Guard C-130 cargo planes that are stationed there. They have "coverings" that look like skis around the wheels.