Turnbuckle Safety Wire



Turnbuckles are usually used in control systems to apply the proper amount of tension to the cables. It is extremely important to ensure that they are properly secured from turning. The two primary ways are via safety wire or special clips. AC-43-13B explains the proper ways to secure them. This is not one of them!

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Vic Syracuse
Vic is a fixed-wing and helicopter commercial pilot, CFII with ASMEL/ASES ratings, an A&P/IA, DAR, and EAA technical advisor and flight counselor. Passionately involved in aviation for over 40 years, he has built 11 aircraft and logged over 10,000 hours in 72 different kinds of aircraft. Vic volunteers as a Young Eagle pilot, has his own sport aviation business called Base Leg Aviation, and has written two books on aircraft prebuy and condition inspections.


  1. If you thing that turnbuckle is bad workmanship, I’ve seen a cable fork end sleeve that is supposed to be swaged where the “builder” just center punched it several times and claimed it was “good enough”,he got really mad when I rejected it.


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