Good Morning Maynard; It sounds like you are having a bit of difficulty with your FAA inspector. May I suggest a couple courses of action? First, I would determine the manufacturer of your capacitance type fuel quantity system including the part number of the gauge and sending unit. Then a phone call to the manufacturer would determine if they have received a PMA, or if the unit is used as an OEM part. Second, if either of these is the case, then I would submit a 337 to the FAA requesting approval of a major alteration to your airframe using those parts in lieu of the original float gauge in your left wing tank. If the manufacturer has not obtained a PMA or the part is not used as an OEM part, I would request approval of the major alteration any way. In either case, the 337 should be filled out using the instructions for continued airworthiness (ICA) format. If your IA does not have the ICA, you can down load them from the faa.gov web site. >http://www.faa.gov/avr/afs/hbaw/hbaw9818.txt< There is no doubt in my mind that the capacitance gauge system is more accurate that the float system. It sounds like you have had discussions with your FAA Inspector about this already, but if your have not here is another tidbit that may help. Univair will not sell replacement gauge assemblies with the cork float. They will sell the parts, but remove the cork float before they send you the parts. I guess they have had problems with the cork pieces getting in the fuel system so they will not sell the original parts. I have gone on long enough, but I have found the FAA to be reasonable when you explain that the parts are not available, and you are just making the whole thing better. Good Luck
Lynn Nelsen N99387 52FL --------------------------------- to unsubscribe send mailto:[EMAIL PROTECTED] _____________________________________________________________ Who will win the Oscars? Spout off on our Entertainment list! http://www.topica.com/lists/showbiztalk
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