Casualties unknown

1988-06-24: Mooney M20J (N201ZP) — Winkle, James W. — Portland, TX

Portland, TX, US

On June 24, 1988, a Mooney M20J (registration N201ZP) operated by Winkle, James W. was involved in an aviation accident near Portland, TX. Investigators recorded the probable cause as: The pilot's failure to properly position the elevator trim tab before initiating the takeoff ground run, which resulted in a premature liftoff and subsequent collision with a powerline. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

During takeoff, the pilot failed to set elevator trim properly, causing a premature liftoff and lower empennage drag. The aircraft recontacted the runway twice before striking a powerline and crashing.

What happened

The aircraft experienced a critical failure during the initial phase of flight at an airport. During the takeoff ground run, the pilot failed to properly position the elevator trim tab prior to initiating rotation. This configuration error resulted in a premature liftoff before the aircraft reached the appropriate airspeed for safe climb-out.

Upon lifting off, the lower empennage dragged along the runway surface. The aircraft recontacted the runway twice before finally passing beyond the end of the paved surface. Following this sequence, the aircraft collided with a powerline situated near the departure path. The impact with the powerline caused the aircraft to lose control and subsequently impact the terrain.

The investigation

Examination of the event focused on the pilot's actions during the takeoff roll. The investigation confirmed that the elevator trim tab was not set correctly before the ground run began. This mechanical oversight directly contributed to the abnormal pitch attitude during rotation.

Findings

The primary factor in this accident was the improper configuration of the aircraft prior to takeoff. Elevator trim misconfiguration prevented the pilot from achieving a safe rotation profile. The resulting premature liftoff led to ground contact and subsequent collision with obstacles.

Safety message

Pilots must ensure all flight controls, particularly trim settings, are verified and correctly positioned before beginning the takeoff roll. Proper pre-takeoff checks are essential to prevent configuration errors that can compromise safety during critical phases of flight.

Probable cause

The pilot's failure to properly position the elevator trim tab before initiating the takeoff ground run, which resulted in a premature liftoff and subsequent collision with a powerline.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X25962. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.