Flight Control Failures

Mike the Strike wrote:
With the exception of incorrect assembly, I have to believe that
asymmetric control failure or jamming must be an extremely rare cause
of landing accidents compared to the more common reasons we all know.

Any actual data or good anecdotes?

I did have the spoilers on a Libelle freeze shut in flight until shortly
before landing, and had a pushrod fail between the front and rear rudder
pedals on a Blanik L13 (we landed before it did any mischief). Dave
Noyes had a serious accident when a bolt in the elevator circuit of his
new DG 800 fell out.


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Eric Greenwell
Washington State
USA