I want to fit a smoke system on my new 8KCAB Super Decathlon. THe FAA website shows STC Number SA874NW was issued to R & K Aeromotive, Inc, 10011 173rd Avenue, S.W. Rochester WA 98579 USA in 1980 for a smoke generating system for the 8KCAB. I can't find them in the phone book or via Google...