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  • Title: A descriptive analysis of "not aeronautically adaptable" dispositions in the U.S. Navy.
    Author: Christen BR, Moore JL.
    Journal: Aviat Space Environ Med; 1998 Nov; 69(11):1071-5. PubMed ID: 9819164.
    Abstract:
    BACKGROUND: All aviation personnel in the U.S. Navy are evaluated for aeronautical adaptability (AA) in both initial and periodic examinations and for daily aeromedical disposition. By definition, all aviation personnel with a diagnosed personality disorder or those with maladaptive personality traits that have had a documented effect on safety of flight, crew coordination, or mission completion, are determined to be Not Aeronautically Adapted (NAA). METHODS: NAA dispositions were examined for demographic data, basis for disposition, and frequency of personality features. RESULTS: NAA dispositions were made on the basis of personality disorders and maladaptive personality traits in 29% and 35% of the cases, respectively. The officer and enlisted NAA dispositions were distinctly different in terms of frequency of personality features. Obsessive-compulsive features were present in 58% of officer and 10% of enlisted NAA dispositions. Dependent and avoidant features were present in excess in comparison to psychologically healthy aviators, suggesting the incompatibility of these features with aviation.
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