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Vehicle Integrated Supportability Analysis (VISA)

Updated 12/15/2014

Launch Tool
Vehicle Integrated Supportability Analysis (VISA)
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The Vehicle Integrated Supportability Analysis (VISA) model is a discrete-event model simulating the maintenance and supply system for airlift and fighter weapon systems. The model is designed to evaluate contemporary wartime supportability concepts as well as advanced supportability related to Air Force 2000 operational concepts. The VISA model simulates the impact of reliability, maintainability, and support systems on aircraft performance. The model easily accommodates evaluation of strategic airlift aircraft flying a multiple base, intra-theater route structure as well as tactical airlift/fighter aircraft flying in-theater sorties. The model simulates aircraft operations, component failures down to the five-digit WUC level, discrete maintenance events and demands on parts supply.

 One of the unique features of the model is a concurrency matrix, which permits discrete simulation of the effects of interference among maintenance jobs. Another useful model feature, particularly for airlift aircraft, is the simulation of "catch-up" maintenance at the main operating base. This feature permits the evaluation of system redundancy impact on aircraft operational capability. The capability to model different types of base facilities and threat levels is also provided.. A myriad of scenarios can be evaluated simply by tailoring the appropriate input values.

Processes Supported

Departments Associated

  • Army
  • Navy / Marine Corps
  • Air Force

Integrated Product Support Elements Addressed

This product support analytical tool was identified as part of a database provided solely to assist defense acquisition workforce professionals to identify best value product support solutions which optimize system readiness and life cycle cost. Neither the Department of Defense or the Defense Acquisition University provide any warranty of these tools whatsoever, whether express, implied, or statutory, including, but not limited to, any warranty of merchantability or fitness for a particular purpose or any warranty that the contents of the item will be error-free. This analytical tools database should under no circumstances be considered as being all-encompassing, and is in no-wise meant to endorse the capabilities or products of any particular individual, company, or organization.
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