He was an aviation pioneer who helped establish an every-hour-on-the-hour air service between New York and Washington.

[2] Ludington was interested in aviation lighting and mail service by air.

[3] A Farman Sport aircraft he promoted is restored at Smithsonian Institution in Washington, D.C.[4] Ludington helped develop National Air Transport.

[7] Between the four of them they managed to run Ludington Airline without government mail revenues for a few years.

[2] Ludington in later life had homes in Miami, Philadelphia and Old Lyme, Connecticut.

[14] Ludington's book "Smoke Streams: Visualized Air Flow" was, according to The New York Times, "used for several years as a basic textbook on aero-dynamics".