Casualties unknown

Cessna 172F Collides with Terrain After Low Passes (N8492U)

Safford, AZ, US

On February 18, 1989, a Cessna 172F (registration N8492U) operated by Copper Penny Office Supply was involved in an aviation accident near Safford, AZ. Investigators recorded the probable cause as: FAILURE OF THE PILOT TO MAINTAIN PROPER AIRSPEED WHILE ON FINAL APPROACH RESULTING IN AN AERODYNAMIC STALL. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S DELAYED USE OF WING FLAPS. 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 Cessna 172F struck level terrain in a nose-down attitude after several low passes near residences. Witnesses heard engine power reductions and a sudden cessation of noise before the impact. A post-impact fire consumed the aircraft; no mechanical failure was found.

Accident Overview

A Cessna 172F airplane collided with level terrain after making several low passes over a residential area. The aircraft, which had been observed flying low over homes, appeared to be conducting closed traffic patterns to a field adjacent to the area. Witnesses, including a homeowner who identified the airplane as belonging to his brother, reported seeing the aircraft at an estimated altitude of about 100 feet above ground level.

Witness Observations

According to family members, the airplane made multiple low passes aligned with an open field. During these passes, witnesses noted the sound of several engine power reductions followed by engine acceleration. On the final approach, the engine noise abruptly ceased, and the aircraft was seen pitching downward sharply before striking the ground in a nose-down attitude.

Wreckage Examination

After the impact, a fire erupted and the airplane was consumed by flames. Examination of the wreckage did not reveal any evidence of mechanical failure or malfunction. The wing flaps were determined to be in a 5-degree transitory position at the time of impact.

Conclusion

The aircraft collided with terrain under circumstances described by witnesses, with no pre-impact mechanical issues identified.

Frequently asked questions

What happened in the 18 Feb 1989 Cessna 172F accident near Safford, AZ?

A Cessna 172F struck level terrain in a nose-down attitude after several low passes near residences. Witnesses heard engine power reductions and a sudden cessation of noise before the impact. A post-impact fire consumed the aircraft; no mechanical failure was found.

What aircraft was involved and where did it happen?

The accident on 18 Feb 1989 involved a Cessna 172F, registration N8492U, operated by Copper Penny Office Supply, at Safford, AZ.

What was the probable cause of the accident?

FAILURE OF THE PILOT TO MAINTAIN PROPER AIRSPEED WHILE ON FINAL APPROACH RESULTING IN AN AERODYNAMIC STALL. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S DELAYED USE OF WING FLAPS.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X27742. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.