No building shall be erected or enlarged unless the following yards are provided or maintained along the perimeter of the airport property:
A. Front Yard: A front yard of not less than twenty five feet (25').
B. Side Yards: Side yards of not less than fifteen feet (15').
C. Rear Yard: A rear yard of not less than twenty feet (20'). (Ord. C-420, 5-17-2005)