On April 15, 1999, a Boeing A75N1 (registration N53404) was involved in an aviation accident near Casa Grande, AZ. Investigators recorded the probable cause as: The pilot's decision to continue flight into a known adverse weather condition, and, his failure to adequately compensate for the crosswind gust condition and maintain directional control during the landing rollout. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot lost directional control after touchdown when a sudden crosswind gust raised the left wing, causing the airplane to veer off the runway and nose over in a drainage ditch.
Incident Overview
The pilot reported that while approaching the airport, he obtained weather information from the Automated Surface Observing System (ASOS) and a pilot report from a preceding airplane. The pilot report indicated 90-degree crosswinds with occasional gusts to 20 knots.
Landing and Loss of Control
After touching down on runway 5, a sudden crosswind gust raised the left wing, causing the airplane to begin veering off the runway. The pilot applied opposite aileron and rudder inputs but was unable to regain directional control.
Final Outcome
The airplane continued off the runway and encountered a drainage ditch, where it nosed over. No further details about the aircraft or occupants were provided in the source.
Frequently asked questions
What happened in the 15 Apr 1999 Boeing A75N1 accident near Casa Grande, AZ?
A pilot lost directional control after touchdown when a sudden crosswind gust raised the left wing, causing the airplane to veer off the runway and nose over in a drainage ditch.
What aircraft was involved and where did it happen?
The accident on 15 Apr 1999 involved a Boeing A75N1, registration N53404, at Casa Grande, AZ.
What was the probable cause of the accident?
The pilot's decision to continue flight into a known adverse weather condition, and, his failure to adequately compensate for the crosswind gust condition and maintain directional control during the landing rollout.
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