The availability of a small fleet of aircraft in a flying-base, repair-depot combination is modeled. First, a deterministic flow model relates parameters of interest and represents the state-of-the art in the planning of such systems. Second, a cyclic queue model shows the effect of the principal uncertainties in operation and repair and shows the consequent decrease in the availability of aircraft at the flying-base. Several options such as increasing fleet size, or building reliability and maintainability into the individual aircraft during its life-cycle are open for increasing the availability. A life-cycle cost criterion brings out some of these features. Numerical results confirm Rose's prediction that there exists a minimal cost combination of end products and repair-depot capability to achieve a prescribed operational availability.


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    Title :

    Queuing models for estimating aircraft fleet availability


    Additional title:

    Ein Warteschlangenmodell zur Abschaetzung der Erreichbarkeit von Flugzeuggeschwadern


    Contributors:
    Sarma, V.V.S. (author) / Ramchand, K. (author) / Rao, A.K. (author)

    Published in:

    Publication date :

    1977


    Size :

    4 Seiten, 1 Bild, 2 Tabellen, 8 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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