Autopilot reducing the pilot's workload. Lawrence Sperry (the son of famous inventor Elmer Sperry) demonstrated it in 1914 at an aviation safety contest held in Paris. At the contest, Sperry demonstrated the credibility of the invention by flying the aircraft with his hands away from the controls and visible to onlookers of the contest. Elmer Sperry Jr., the son of Lawrence Sperry, and Capt Shiras continued work after the war on the same autopilot, and in 1930 they tested a more compact and reliable autopilot which kept a US Army Air Corps aircraft on a true heading and altitude for three
The Secrets of Jonathan Sperry Station Network stated the film was number one at the Ada, Oklahoma box office over the November 6–8, 2009 weekend. Christian actor Kirk Cameron said, ""The Secrets of Jonathan Sperry" moved me with its message of eternity and how one faithful man can make a difference in the lives of many. I recommend this inspiring movie for any family to watch together." Common Sense Media gave the film only two out of five stars, citing its "very thin story," "amateurish performances by the young actors," and "unquestioning point of view." The Secrets of Jonathan Sperry The Secrets of Jonathan Sperry