Casualties unknown

Helicopter Strikes Power Line During Photography Flight (N51686)

Butler, PA, US

On October 28, 1984, an Enstrom 280C (registration N51686) operated by Action Air Helicopters,inc. was involved in an aviation accident near Butler, PA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A helicopter on a flight to photograph an apartment complex struck the static line of a high voltage transmission line. The aircraft pitched down, hit a hillside, and continued onto Highway 68. Investigation found no preimpact malfunctions.

Accident Details

A helicopter was conducting a flight to take photographs of an apartment complex when it struck the static line of a high voltage transmission line. The owner of the apartment complex was accompanying the pilot on the flight. After the photography, the helicopter was scheduled to be used for passenger sightseeing flights as part of a promotional event for a restaurant.

Sequence of Events

According to the investigation, the rear of the helicopter made contact with the static line. Following the strike, the aircraft pitched downward and impacted a hillside. The helicopter then continued its crash trajectory onto Highway 68, where it came to rest.

Investigation Findings

Examination of the helicopter did not reveal any preimpact malfunctions or failures. The investigation focused on the circumstances of the wire strike but did not assign a specific probable cause beyond the sequence described.

Frequently asked questions

What happened in the 28 Oct 1984 Enstrom 280C accident near Butler, PA?

A helicopter on a flight to photograph an apartment complex struck the static line of a high voltage transmission line. The aircraft pitched down, hit a hillside, and continued onto Highway 68. Investigation found no preimpact malfunctions.

What aircraft was involved and where did it happen?

The accident on 28 Oct 1984 involved an Enstrom 280C, registration N51686, operated by Action Air Helicopters,inc., at Butler, PA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41458. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.