Pennsylvania Air Lines Pilot Wing Prototype
Pittsburgh, PA 1936-1936
Clifford A. Ball won air mail contract route No. 11 on March 27, 1926. In April of the following year, The Clifford Ball Airline began operating between Pittsburgh and Cleveland, Ohio but scheduled passenger service did not begin until April 28, 1928. Ball sold his interests in November 1930 to Pittsburgh Aviation Industries Corp., and the airline became Pennsylvania Air Lines (PAL). It was reorganized as Pennsylvania Airlines. In June of 1934, Pennsylvania Air Lines acquired the Kohler Aviation Corporation. Central Airlines became PAL's main competitor after its founding in 1934. The two companies merged to form Pennsylvania Central Airlines, or PCA, on November 1, 1936.