Casualties unknown

Aircraft Rolls Left After Takeoff Due to Engine Irregularity (N23666)

Frankenmuth, MI, US

On September 17, 1989, a Cessna C172R (registration N23666) was involved in an aviation accident near Frankenmuth, MI. Investigators recorded the probable cause as: The pilot's failure to maintain control of the aircraft after takeoff, which resulted in a loss of directional control and a left wing strike with the ground. 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 2026-06-19Data APIEditorial standards

Shortly after a short-field takeoff, the pilot noticed an engine anomaly while scanning instruments. The aircraft rolled left and struck the ground with the wing.

What happened

The pilot initiated a short-field takeoff procedure. The aircraft became airborne at an indicated airspeed of approximately 50 to 55 mph. Immediately following liftoff, a passenger reported that the engine did not sound normal. While the pilot was scanning the engine instruments to assess the situation, the aircraft began to roll to the left. To counteract the roll and gain airspeed, the pilot lowered the nose. During this maneuver, the left wing struck the ground.

The investigation

Following the incident, the engine was examined for mechanical issues. No mechanical malfunction or defect was found during the inspection.

Probable cause

The pilot's failure to maintain control of the aircraft after takeoff, which resulted in a loss of directional control and a left wing strike with the ground.

Frequently asked questions

What happened in the 17 Sept 1989 Cessna C172R accident near Frankenmuth, MI?

Shortly after a short-field takeoff, the pilot noticed an engine anomaly while scanning instruments. The aircraft rolled left and struck the ground with the wing.

What aircraft was involved and where did it happen?

The accident on 17 Sept 1989 involved a Cessna C172R, registration N23666, at Frankenmuth, MI.

What was the probable cause of the accident?

The pilot's failure to maintain control of the aircraft after takeoff, which resulted in a loss of directional control and a left wing strike with the ground.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X29321. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.