Casualties unknown

1984-07-29: Cessna 140 (N2233N) — Talkeetna, AK

Talkeetna, AK, US

On July 29, 1984, a Cessna 140 (registration N2233N) was involved in an aviation accident near Talkeetna, AK. Investigators recorded the probable cause as: The pilot's failure to maintain terrain clearance due to distraction by an object on the ground during a search and rescue mission. 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 1781061362Data APIEditorial standards

A pilot conducting a search and rescue mission was distracted by an object on the ground, leading to a controlled flight into terrain as rising ground blocked escape options.

What happened

The pilot was engaged in a search and rescue mission when his attention was diverted from the flight path to an object located on the ground. Upon redirecting his focus back to the flight path, the pilot observed rapidly rising terrain directly ahead of the aircraft. There was insufficient room or altitude remaining to maneuver away from the obstruction. Consequently, the aircraft impacted the terrain with full power applied and in a nose-high attitude.

The investigation

The investigation focused on the sequence of events leading to the impact. It was determined that the pilot's attention had been diverted by an external visual stimulus during a critical phase of the mission. By the time the pilot regained situational awareness regarding the flight path, the terrain profile had risen rapidly, eliminating any possibility of a safe turn or escape maneuver.

Findings

The primary factor contributing to this accident was the pilot's loss of situational awareness due to distraction. The rapidly rising terrain presented an immediate obstacle that could not be avoided once the pilot refocused on the flight path. The aircraft struck the ground with full power, indicating that the pilot attempted to climb or maintain altitude but lacked the necessary space to execute a successful maneuver.

Safety message

Pilots conducting search and rescue operations must remain vigilant regarding terrain clearance. Distractions from ground objects can lead to controlled flight into terrain if situational awareness is not maintained. It is critical to monitor altimeters and terrain profiles continuously, especially in areas with rapidly changing elevation.

Probable cause

The pilot's failure to maintain terrain clearance due to distraction by an object on the ground during a search and rescue mission.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X40162. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.