Category Archives: Help

The following terms are used throughout the Spares Calculator package. Units in Service: The number of operational units supported by the store. MTBF (Mean Time Between Failure): A measure of how reliable a hardware product or component is. The MTBF … Continue reading →

Spares Calculator will return accurate results provided the following assumptions are met. First of all the input data must be correct (obviously). Also, the equipment must not be in the infant mortality, or wear out regions of life. The MTBF … Continue reading →

Spares Calculator was launch in 2002. Prelaunch the Spares Calculator models were validated in thousands of trials against credible reference texts such as those listed below. Since that time the program has undergone many real life trials and is used … Continue reading →

Spares Calculator is based on models that were derived for the US DoD over 40 years ago. These have since become the industry standard and are used in nearly every spare parts program on the market today. See the following … Continue reading →