I would like to know the distance and DB rating of noise to be a
problem for a neighbor, and the orindance relating to it, in Yuma
County, Arizona

You can get an answer to yoyr question by calling the local
county/city planning and zoning department. They have all the rules
and regulations with regard to noise and complaining about it.

If it has to do with military aircraft you should contact the air station in Yuma.

scott

There should not be a set distance or DB.  It is a disturbance and
tolerance issue and set by you and your neighbors.  Complaints can be
made for any distance or db if a disturbance is proved