The development of the first successful scheduled system of STOL operations at a major United States commercial airport has been undertaken at Houston Intercontinental Airport. The STOL system was established to demonstrate the capability of STOL aircraft to operate safely and efficiently in airspace over a major commercial airport simultaneously with high-density scheduled airline operations. The demonstration project included the development of new and experimental runway lighting and loading systems by the Federal Aviation Administration. It encouraged the implementation of new air traffic control procedures that have proved acceptable to the Federal Aviation Administration and to the airline pilots association. This paper describes the development of the system and gives pertinent details of its operation.