[1] Gartrell joined the United States Navy in June 1942 and served as a test pilot during World War II.
A Democrat, Gartrell was one of the five candidates for the office of Lieutenant Governor of Kentucky in 1947, but lost to Lawrence Wetherby.
As the first commissioner of the Kentucky Department of Aeronautics from 1948 to 1956, Gartrell often flew the governor and senators around the state.
In this capacity, he helped to build many local airports to stimulate both tourism and economic development.
Gartrell was mayor of Ashland from 1968 to 1972 and later an administrative supervisor in the Kentucky Department of Human Resources.