[3] Hamilton ran the aircraft maintenance division of Aero Corp, while Frye and Richter focused on the flying.

[2] Hamilton's ability to tune aircraft engines allowed Frye and Richter to set multiple aircraft speed and altitude records, such as the 1926 Reginald Denny Trophy, 1927 Western Flying Trophy, and a 1926 18,000 ft altitude record.

[5] On February 3, 1926, Standard Air Lines was formed as a subsidiary of Aero Corp, but didn't start flight operations until November 28, 1927.

[2] Standard Air Lines ran scheduled passenger service from Los Angeles to Phoenix to Tucson and return.

As in Aero Corp, Hamilton ran the aircraft maintenance for Standard, while Frye and Richter focused on the flying.

[2] In early 1930, Western Air Express bought controlling interest of Standard Air Lines, but continued to run it as a separate entity and made Hamilton, Frye, and Richter vice presidents of the Standard Division.