Casualties unknown

1988-05-12: Cessna 152 (N757ZY) — Martin Aviation — Nauvoo, IL

Nauvoo, IL, US

On May 12, 1988, a Cessna 152 (registration N757ZY) operated by Martin Aviation was involved in an aviation accident near Nauvoo, IL. Investigators recorded the probable cause as: The pilot's loss of situational awareness during a low approach, which resulted in an inadvertent descent into rising terrain. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 13 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

A pilot conducting a fast low approach to a private airstrip became fixated on avoiding trees, resulting in an unintended impact with rising terrain just short of the runway.

What happened

The pilot was operating a light aircraft near his home, intending to land at a private airstrip. The flight plan involved executing a fast low approach, a maneuver often used to maintain airspeed and control during final descent. As the aircraft neared the strip, the pilot noticed a row of trees positioned along the perimeter.

In an effort to avoid striking these obstacles, the pilot focused intensely on lateral positioning. This fixation caused a critical lapse in vertical situational awareness. The pilot later admitted that his attention was so consumed by the threat of the trees that he failed to monitor the aircraft's proximity to the ground. Consequently, the aircraft descended below safe altitude and impacted rising terrain approximately 600 feet west of the airstrip threshold.

The investigation

Post-accident examination revealed no evidence of mechanical failure or pre-existing system malfunctions that would have prevented normal operation. The primary factor identified was the pilot's loss of situational awareness during a high-workload phase of flight. The physical evidence supported the narrative that the aircraft remained airworthy until the moment of impact with the ground.

Findings

The investigation highlighted several contributing factors to the accident:

  • Loss of vertical situational awareness: The pilot's focus on avoiding lateral obstacles (trees) led to a failure to monitor altitude and terrain clearance.
  • Task saturation: Attempting to execute a fast low approach while simultaneously maneuvering to avoid trees overwhelmed the pilot's cognitive capacity.
  • Improper risk management: The decision to perform a fast low approach near known terrain hazards contributed to the loss of control.

Safety message

Pilots conducting low approaches or maneuvers near obstacles must maintain strict discipline in monitoring all flight parameters, particularly altitude. Fixation on one aspect of the flight path can lead to catastrophic neglect of others. Always prioritize terrain clearance and maintain a scan that encompasses both lateral and vertical positions relative to the ground.

Probable cause

The pilot's loss of situational awareness during a low approach, which resulted in an inadvertent descent into rising terrain.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X25650. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.