The document contains a description from the statistical viewpoint of the sampling design, selection of estimators, and preliminary analysis of maintenance data on KC-135 tanker aircraft of the Strategic Air Command. The aim was to study the effect of aircraft aging on maintenance needs, the relationships between man-hours and other maintenance costs, and sources of error in recording materials consumed. Thirty-three aircraft were selected by a two-stage process so that the sample was stratified by airbase and controlled by age group, while giving all aircraft approximately equal selection probabilities. (Author)


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    Title :

    A Two Way Controlled Sample for Collecting Tanker Aircraft Base Maintenance Information


    Contributors:

    Publication date :

    1969


    Size :

    48 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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