Replace vernier controls

DelaPlanet

Member
The vernier controls on my newly acquired 2006 A-1B feel a little loose, particularly the prop control. Also, I wondered if I could replace the prop one with a standard, blue, ridged prop knob. Does anyone know of these are just stock parts I can get from ‘Spruce, or do I need to order from Aviat for twice the price? I’ve got the shorter panel A-1B.

Hoagy in NorCal
 
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