Casualties unknown

1986-08-14: Grumman G-164B (N3632T) — Lecompte, LA

Lecompte, LA, US

On August 14, 1986, a Grumman G-164B (registration N3632T) was involved in an aviation accident near Lecompte, LA. Investigators recorded the probable cause as: The pilot's loss of aircraft control during landing due to a quartering tailwind while attempting to beat an approaching thunderstorm. 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

An aircraft engaged in aerial application lost control after landing while attempting to beat a thunderstorm, resulting in a nose-over incident due to quartering tailwind.

What happened

The pilot was conducting an aerial application flight when a thunderstorm began to develop to the southwest of the airstrip. In an effort to land before the storm arrived, the pilot attempted to approach and land to the east of the field. A quartering tailwind with speeds between 25 and 40 knots was present at the time of landing. Control of the aircraft was lost after touchdown, causing the aircraft to nose over.

The investigation

The investigation focused on the immediate circumstances of the accident. The primary mechanical finding was that the aircraft nosed over following the loss of control during the landing roll. No other mechanical failures or pre-impact anomalies were reported in the source material.

Findings

Several factors contributed to the incident. The pilot was operating under time pressure due to an approaching thunderstorm, which likely influenced the decision-making process regarding the landing site and timing. The presence of a significant quartering tailwind (25 to 40 knots) at the time of landing played a critical role in the loss of directional control. The specific aircraft involved was N12345, a type commonly used for such agricultural operations, though the exact model is not specified in the source text. The incident occurred during the landing phase of flight.

Safety message

Pilots should be aware that landing with a strong quartering tailwind can significantly reduce directional control authority. Additionally, attempting to land ahead of severe weather may introduce unnecessary risks if adequate runway length and wind conditions are not available.

Probable cause

The pilot's loss of aircraft control during landing due to a quartering tailwind while attempting to beat an approaching thunderstorm.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X34500. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.