This study investigated college major (CM) of cadets as a possible predictor of success in naval aviation training. Each of 1,245 pilot trainees who had been successful student aviators but failed to become aviators was placed into one of ten categories according to his CM. For each of the categories, arithmetic means of all primary selection test scores and course grades in U.S. Naval School, Pre-Flight were obtained. By use of a pseudo-variable technique in which each category is treated as if it were a separate dichotomous variable, correlation coefficients were computed between the CM categories and the primary selection test scores, Pre-Flight course grades, and the three criteria of failure--attrition for reasons other than medical, voluntary withdrawals, and flight failures. The extent to which the inclusion of CM categories contributed to the multiple prediction of success in flight training was examined by the Wherry-Doolittle Technique. The inclusion of the CM categories both as primary and secondary variables significantly increased the multiple prediction of success/failure in naval aviation training. (author/rt)