By fall 1961, the Air Force had successfully tested the 463L system on its Atlantic mutes.
(46) The 463L system reduced the Boeing aircraft's loading time from the previous 4-6 hours to 20-30 minutes.
(49) Another problem was that the 463L system was a total system, from start to finish.
(42.) Henderson, "Ground Handling C-5A," 10-11,41; William Howe, "The 463L System: Current Concept of Operations, Problems and Its Future Application to the C-5A, "Air Command and Staff School, Jun 1968, pp.