Casualties unknown

Aircraft Drifts Left During Sod Runway Takeoff, Strikes Marker and Tree (N73571)

Broken Arrow, OK, US

On August 20, 1990, a Cessna 172M (registration N73571) operated by Proflight was involved in an aviation accident near Broken Arrow, OK. Investigators recorded the probable cause as: THE PILOT IN COMMAND'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE TAKEOFF. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 4 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

During a dusk takeoff from a sod runway, the airplane drifted left, struck a runway edge marker with the right main gear and stabilizer, then hit a tree and impacted nose down.

Accident Details

The airplane experienced a left drift during a takeoff from a sod runway at dusk. As the aircraft lifted off, the right main landing gear and the right horizontal stabilizer contacted a metal runway edge marker. After traveling approximately 150 feet, the airplane struck a tree at about 20 feet above ground level, located to the left of the runway boundary. The impact caused the airplane to spin around and then hit the ground nose-first.

Witness and Pilot Statements

The pilot reported lifting the nose gear off the ground after a ground roll of about 500 feet. Witnesses stated that the airplane appeared to be over-rotated during the takeoff.

Runway Information

The runway was 1,225 feet long and 60 feet wide, with grass varying in length from 6 to 14 inches. Performance data indicated that the airplane required 830 feet for takeoff and 1,325 feet to clear a 50-foot obstacle.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X24014. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.