On May 5, 1985, an Alon A-2 (registration N5491E) was involved in an aviation accident near Bunkie, LA. Investigators recorded the probable cause as: The loss of elevator and aileron control due to the absence of the left aileron control shaft, its universal, and taper pin. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft collided with terrain and was destroyed by fire after the pilot lost elevator and aileron control. The left aileron control shaft was found missing during inspection.
What happened
The aircraft made contact with the terrain and was subsequently destroyed by fire. This incident occurred following a complete loss of elevator and aileron control. During the event, the pilot reported that he was able to maintain some degree of control over the aircraft by utilizing the rudder, power adjustments, and elevator trim.
The investigation
A post-accident inspection of the wreckage revealed significant mechanical failures within the flight control system. Investigators found that the left aileron control shaft was entirely missing from the assembly. Additionally, the universal joint and taper pin associated with the control assembly were not located during the examination.
Probable cause
The loss of elevator and aileron control due to the absence of the left aileron control shaft, its universal, and taper pin.
Frequently asked questions
What happened in the 5 May 1985 Alon A-2 accident near Bunkie, LA?
An aircraft collided with terrain and was destroyed by fire after the pilot lost elevator and aileron control. The left aileron control shaft was found missing during inspection.
What aircraft was involved and where did it happen?
The accident on 5 May 1985 involved an Alon A-2, registration N5491E, at Bunkie, LA.
What was the probable cause of the accident?
The loss of elevator and aileron control due to the absence of the left aileron control shaft, its universal, and taper pin.
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