Final Report: Wing hit ground on landing

Aviation International News » March 2008
March 3, 2008, 5:52 AM

Bombardier Learjet 35A, Nashville, Tenn., Dec. 26, 2006–The pilot’s inadequate compensation for a gusty crosswind, which resulted in loss of control and a wing strike on the runway, was responsible for the landing accident involving a Secure Air Charter Learjet, according to the NTSB. Factors contributing to the accident were the failure of the aileron augmentation (spoiler) flight control system, diminished directional (roll) control and 19-knot crosswind gusts. On final for Nashville International Airport, the airplane’s AUG/AIL (aileron augmentation) light came on, indicating a system malfunction. The first officer reset the system according to the flight manual, and the light went out. He reported that during the landing the AUG/AIL light came on again, and that the right wing dropped, striking the ground. The airplane received structural damage to the right wing outboard of the aileron, damaging a wing spar. A problem was found in the computer that controls the AUG/AIL system and it was replaced.

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