Casualties unknown

1999-04-18: North American AT-6D (N6979C) — Hollister, CA

Hollister, CA, US

On April 18, 1999, a North American AT-6D (registration N6979C) was involved in an aviation accident near Hollister, CA. Investigators recorded the probable cause as: The pilot's failure to maintain directional control during landing, which resulted in a hard touchdown and subsequent ground loop. 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 lost control of the aircraft after a hard touchdown during landing flare in gusty winds, resulting in a ground loop and left wing damage. No mechanical issues were found.

What happened

The accident occurred while the aircraft was on final approach to runway 24. During the landing flare phase, the pilot encountered unexpected wind conditions that included significant gusts. The aircraft touched down hard on the runway surface immediately following this event.

Following the impact, the pilot was unable to maintain directional control of the aircraft. This loss of control resulted in a ground loop maneuver. During the subsequent ground loop, the left wing made contact with the runway pavement, causing structural failure and breakage of that wing component.

The investigation

An examination of the aircraft revealed no evidence of pre-accident mechanical malfunctions or failures that would have impacted normal operation. The pilot provided weather data indicating a wind direction from 260 degrees at 10 knots, with gusts reaching 20 knots at the time of the incident.

Findings

The primary factors contributing to this accident were the pilot's failure to maintain directional control during landing and the hard touchdown. The environmental conditions included gusty winds which likely contributed to the difficulty in controlling the aircraft upon impact.

Probable cause

The pilot's failure to maintain directional control during landing, which resulted in a hard touchdown and subsequent ground loop.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001205X00505. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.