A quick one if I may - I don't know what the answer is, but I think it's Eastern European, engine cowling looks very similar to Yak 52 - seen on Google Map Street View at Camarillo:
https://www.google.com/maps/@34.2088...7i16384!8i8192
I've tried various combinations of what the registration appears to be, N8MZ, etc - no luck!
Any ideas?
(I was actually looking to see if the Avtek 400 was still on the airport - not visibly so!)