Cessna 150 Collides with Pennsylvania State Police Bell 407 Helicopter at Carlisle Airport

A deadly midair collision occurred on Wednesday evening at Carlisle Airport, Pennsylvania, involving a Cessna 150 and a Pennsylvania State Police Bell 407 helicopter. The small single-engine Cessna struck the police helicopter from behind while the helicopter was hovering near a grass area during routine training operations. The pilot of the Cessna was killed instantly at the scene, while two State Police troopers aboard the helicopter sustained minor injuries.

The accident took place just before 7:00 PM local time at Carlisle Airport, a public-use airfield primarily serving general aviation. The Bell 407 helicopter, registered as N873ST, was flipped onto its side by the impact. State Police Commissioner George Bivens said the troopers, Corporal Bryce Corman and Trooper Jason Mills, were trapped briefly but escaped through a window before being transported to a hospital.

Carlisle Airport operates without an air traffic control tower, relying solely on see-and-avoid principles and pilots communicating via a common radio frequency to coordinate movements. The single runway 10/28 extends over 4,000 feet, accommodating mostly single-engine aircraft alongside some helicopters and multi-engine planes, according to Federal Aviation Administration data.

The Pennsylvania State Police Aviation Section, established in 1968, maintains a fleet including six helicopters and three fixed-wing planes. The Bell 407GX fleet originally had six units delivered between 2013 and 2014 but now numbers five. These helicopters fulfill varied missions such as search and rescue, pursuits, and aerial surveillance, crewed by over 30 trooper pilots.

Commissioner Bivens indicated that the Cessna veered sharply to the right along the runway shortly before impact, and the helicopter crew would not have seen the Cessna approaching from behind. The cause of this sudden maneuver by the Cessna remains under investigation.

The National Transportation Safety Board and FAA investigators promptly arrived at Carlisle to collect evidence, including video footage and photographs, to reconstruct the events leading to the collision. Their inquiry aims to identify contributing factors amid the challenges posed by non-towered airports.

This accident unfolds amid increased scrutiny of shared airspace used by helicopters and fixed-wing aircraft. It follows the January 2025 tragedy at Ronald Reagan Washington National Airport where a US Army Black Hawk helicopter collided with a CRJ700 airliner, resulting in 67 fatalities. In response to that event, the FAA implemented safety enhancements for helicopter operations near congested airspace.

Carlisle’s lack of radar and control tower facilities places full responsibility for collision avoidance on pilots’ situational awareness and communication. The current incident highlights ongoing risks inherent in mixed-use, uncontrolled fields where aircraft types operate in close proximity.

As investigators analyze wreckage and operational data, authorities have not yet identified the Cessna pilot by name. The State Police troopers’ minor injuries suggest the helicopter’s safety features and crew response mitigated more severe outcomes, yet the loss of life in this crash underscores the persistent dangers facing general aviation and law enforcement flight crews alike.