Casualties unknown

Inverted Crash After Unexplained Power Loss During Climb (N8759D)

Rocky Ford, CO, US

On October 7, 1984, a Piper PA-22 (registration N8759D) was involved in an aviation accident near Rocky Ford, CO. Investigators recorded the probable cause as: The cause of the power loss could not be determined, as engine disassembly revealed no mechanical malfunctions. 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 2026-06-10Data APIEditorial standards

An aircraft experienced an unexplained loss of power at low altitude, resulting in a forced landing and rollover in a cornfield. Mechanical inspection revealed no issues.

What happened

According to the pilot's account, the aircraft encountered a critical failure while climbing shortly after takeoff. At an altitude between 150 and 200 feet above ground level, the aircraft was unable to continue its climb or maintain its altitude. The pilot initiated a forced landing procedure, directing the aircraft toward a nearby cornfield. During the rollout on the ground, the aircraft nosed over and came to rest in an inverted position.

The investigation

Following the accident, investigators conducted a thorough examination of the airframe and propulsion system. Engine disassembly was performed to determine if internal mechanical failure contributed to the event. The inspection revealed no evidence of mechanical malfunctions or pre-impact anomalies within the engine components.

Findings

The primary finding centers on the unexplained nature of the power loss. Despite the detailed examination of the engine and other systems, investigators could not determine the specific cause of the power failure as described by the pilot. The lack of mechanical defects suggests that the issue may have been related to fuel supply, ignition, or external factors not evident during post-accident analysis.

Safety message

This incident highlights the critical importance of immediate and decisive action during low-altitude emergencies. Pilots must be prepared to execute forced landings in unprepared areas when power is lost shortly after takeoff. Regular pre-flight inspections of fuel systems and engine components are essential to mitigate the risk of in-flight power failures.

Probable cause

The cause of the power loss could not be determined, as engine disassembly revealed no mechanical malfunctions.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X41344. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.