Here the experimental factors are the type of maintenance policy (ABR versus CBM) and response time (2, 6, 10,and 14 days), resulting in eight experiments per configuration. For these experiments, we assume that the maintenance activities are outsourced and that the resources are available for CM after a response time. This assumption is quite common in practice. The duration of the response time is often negotiable to some extent, which is reflected in the contract price negotiation. The PM activities are planned beforehand and are thus not affected by the response time.