Casualties unknown

1986-05-14: Enstrom F-28C (N100WZ) — Ephrata, PA

Ephrata, PA, US

On May 14, 1986, an Enstrom F-28C (registration N100WZ) was involved in an aviation accident near Ephrata, PA. Investigators recorded the probable cause as: Loss of power for reasons that could not be determined from the available information. 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 1781061362Data APIEditorial standards

An Enstrom F28C helicopter experienced an unexplained loss of power while cruising. The pilot executed a forced landing in a field, resulting in substantial damage to the rotor system but no injuries to the occupant.

What happened

The Enstrom F28C was operating in a cruise configuration when it suffered an unexpected loss of engine power. The specific mechanical or operational cause for this failure was not immediately apparent during the flight phase.

Following the power loss, the pilot initiated emergency procedures and selected a large open field as a landing site. Upon touchdown, the helicopter sustained significant structural damage. The main rotor assembly was damaged upon impact with the ground, and the tail rotor completely separated from the tail boom structure.

The investigation

Post-accident examination confirmed the extent of the airframe damage described above. Records regarding the pilot's total flight time were not available from either the pilot or their personal records at the time of the report.

Findings

The sole occupant, identified as the pilot, was not injured in the incident. The aircraft sustained substantial damage. The loss of power occurred during cruise flight, leading to a forced landing in an unprepared area.

Probable cause

Loss of power for reasons that could not be determined from the available information.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X33690. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.