Casualties unknown

Elevator Trim in Full Nose-Up Position After Takeoff Accident (N81TW)

Terre Haute, IN, US

On June 19, 1994, a Piper PA-18 (registration N81TW) operated by American Trans Air Training CO was involved in an aviation accident near Terre Haute, IN. Investigators recorded the probable cause as: the pilot-in-command's inadvertant stall of the airplane. A factor associated with the accident was the elevator trim position. 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

During a simulated short field takeoff, both pilots were on the controls. Distraction occurred when the second pilot fastened his seat belt. The nose rose excessively, reaching 200 feet, then the left wing dropped and the airplane impacted terrain. The elevator trim jack screw was found full nose-up; no mechanical malfunction was found.

Flight Details

The accident occurred during a simulated short field takeoff. The second pilot reported that he was conducting the maneuver, and the senior pilot-in-command was also on the controls. During the takeoff roll, the second pilot discovered his seat belt was not fastened, which created a distraction. He fastened the belt and continued the takeoff.

Accident Sequence

According to the tower controller who witnessed the event, the nose of the airplane appeared excessively high during the takeoff. The airplane reached a maximum altitude of about 200 feet. Subsequently, the left wing dipped, and the airplane impacted the terrain.

Postaccident Investigation

Examination of the airplane after the accident revealed that the elevator trim jack screw was in the full nose-up position. The investigation disclosed no evidence of any preimpact mechanical malfunction.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X01503. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.