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Here’s why you might see a helicopter flying over central Pennsylvania

YORK COUNTY, Pa. (WHTM) – A helicopter will be in the sky Wednesday flying over parts of central Pennsylvania.

The York County Office of Emergency Management posted on Facebook that a black and silver Bell helicopter with N651HA emblazoned on its side will be in the air.


According to the post, the reason for the helicopter is because the state Department of Environmental Protection will be spraying black flies along Conewago Creek in York County.

“The goal of the Pennsylvania Black Fly Suppression Program is to reduce adult black fly (mosquito) populations to tolerable levels during the spring and summer recreational season using environmentally friendly methods,” the DEP website reads.

Black flies are smaller than a house fly, measuring about 1/8″ long, and are often called mosquitoes. The DEP recommends that people do not swat these flies because they will return quickly and can fly into people’s eyes.

More information about black fly suppression can be found online at the DEP website.