Tim Richardson
RV Moderator
RV7 - Builder Flying. Hampshire, England.
Posts: 482
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Rob, I have ptt, 4 trim buttons (up,down,left,right) I also have wing level servo disengage and flip button for radio frequency. Don't think there are any rules other than they do not obstruct proper use of the control. And satisfaction of your inspector to the position and function. Tim
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