tectweaker Posted February 18, 2013 Report Posted February 18, 2013 If anybody has upgrades for the PC system then please let me know. I am interested on buying.
Alan Fox Posted February 18, 2013 Report Posted February 18, 2013 I have an Accutrak II andBI 85 valve , Will upgrade any wing leveler (brittain) to track two nav sources.....
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