Legal Control Yokes

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Thank you so much!!!!

I'm out of town until after MLK, but when I get home I can scan all of my paperwork and email it to you. Give me an email address and I will get it to you chop chop

Hi David,

I’m trying to change out my yoke to a rams horn style and purchased a very nice pair of FMK-14 from Vern. Now I need to figure out the whole installation issue. Any documents that you have and can share would be beyond helpful. Thank you in advance!

As an A&P/IA for over sixty years, and a DME for over twenty, I would personally consider this as a minor alteration, as long as the installed units were aircraft quality. To be safe, though, I would contact an ASI at the nearest FSDO for his opinion. If requesting a field approval you can show previous operation as proof of concept. I've done this several times sucsessfully. Never a dull moment with old airplanes!

As an A&P and IA for over 4 decades. I can attest to the fact, that on all cool antique aircraft; you will run into these type issues on prebuys. Very seldom do you not. But Matt has a good point. Sometimes an item is put on as a minor alteration. Such as a factory kit. But not documented. I may do a prebuy on 10 to 20 aircraft and find many of these issues. The potential new owner uses that to negotiate the purchase price on what they end up wanting to buy. Then the IA helps the new customer, by turning the prebuy into an annual (deeper inspection) and addresses all these type issues. Most of the time its just requires the proper documentation. Sometimes a new part. I know a lot of pilots prefer a rams horn type yoke to make use of a yoke mount for an iPad mini or whatever.

if the plane had the yokes installed per a factory modification kit, there will be nothing more than a logbook entry, mine were done using FMK 14, Forney Modification kit 14, in 1962.