Charles Lindbergh Became the Chief Pilot for Robertson Aircraft Corporation

Lindbergh and his team completed survey flights around this date before officially inaugurating the mail service on April 15, 1926.

In his chief pilot role, Lindbergh oversaw the preparations and in a de Haviland DH-4 flew the route connecting Lambert Field, in St. Louis, to Maywood Field, in Chicago, with stops in Springfield and Peoria.

Lindbergh achieved ninety-nine percent airmail delivery efficiency even without proper equipment and landing facilities.