Casualties unknown

Flap Retraction During Go-Around Leads to Tree Strike and Aircraft Destruction (N20129)

Norman, OK, US

On February 24, 1988, a Cessna 172M (registration N20129) was involved in an aviation accident near Norman, OK. 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

An aircraft was destroyed after the pilot retracted flaps during a go-around, causing the plane to settle into trees. The front seat occupants were not wearing shoulder harnesses. The pilot sustained serious head injuries.

Overview

A general aviation aircraft was destroyed when it struck trees during a go-around. The accident occurred while the aircraft was landing with a quartering tailwind. The pilot retracted the flaps during the go-around, and the aircraft subsequently settled into trees, resulting in its destruction.

Circumstances

According to a passenger, the pilot retracted the flaps just as the aircraft passed over the trees. Immediately after the flap retraction, the aircraft began to descend and struck the trees. An elevation drawing prepared by investigators shows the aircraft positioned above the trees before descending into them.

Investigation Findings

Investigators reported that no malfunctions of the aircraft were discovered during the investigation. The pilot had been attempting a go-around when the flap retraction occurred. Due to serious head injuries sustained in the accident, the pilot was unable to complete his accident report.

Occupant Restraint Use

It was noted that the front seat occupants were not using the available shoulder harnesses at the time of the accident. The shoulder harnesses were present in the aircraft but were not worn.

Frequently asked questions

What happened in the 24 Feb 1988 Cessna 172M accident near Norman, OK?

An aircraft was destroyed after the pilot retracted flaps during a go-around, causing the plane to settle into trees. The front seat occupants were not wearing shoulder harnesses. The pilot sustained serious head injuries.

What aircraft was involved and where did it happen?

The accident on 24 Feb 1988 involved a Cessna 172M, registration N20129, at Norman, OK.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X25063. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.