Wow! We're in a 56 182. Thanks, I'm already into this one just over $400, when I initially found out about the STC, a mechanic friend said that a field approval was the way to go and shouldn't be a big deal. But apparently we need to use the right words to convince the FAA fellow.
Yes, I've unearthed extensive documentation regarding the FAA's inability to contact them firming the decision to abandon the STC. Also, the STC # is on the placard on the body of the adapter.
Hello all, I'm attempting to gather information from possibly others on here who also purchased a new in the box oil filter adapter manufactured by The Superior Flow Company Oklahoma city model US-5003. I purchased it on eBay due to price, seller rating, and clear fit on our O-470. After I began...