The Bell 407 helicopter was approaching the Carlisle, Pennsylvania, airport from the east when it collided with a Cessna 150 airplane circling the field, according to open source flight tracking information from ADS-B Exchange.
The wreckage of the helicopter with the state police emblem was lying on its side near the airport's runway in video from CNN affiliate WPMT.
The FAA said two officers were on the helicopter, but it was not clear how many people were on the plane. The conditions of everyone involved have not yet been released.
"I've been briefed on the aircraft crash involving @PAStatePolice this evening in Carlisle and I am heading there now," Gov. Josh Shapiro posted to social media. "Lori and I are praying hard and we ask all of our fellow Pennsylvanians to join us."
The National Transportation Safety Board and the FAA will investigate the crash.
Carlisle Airport is about 20 miles west of Harrisburg and has a single 4,000-foot-long runway. There is no control tower at the field, so pilots communicate their intentions on a common radio frequency, an arrangement common at small airports.
There has been increased attention to airspace shared between helicopters and planes since last year's midair collision at Ronald Reagan Washington National Airport killed 67 people. In that crash, a US Army Blackhawk helicopter collided with an American Airlines regional jet as it was landing.
The-CNN-Wire & 2026 Cable News Network, Inc., a Warner Bros. Discovery Company. All rights reserved.