A multiple counter plan is used in counter-based (performance-based) maintenance. In the multiple counter plan, you create maintenance cycles and allocate counters of equipment or functional locations with different dimensions to them, for example, flight hours, number of take-offs and landings, and kilometers travelled. You can also integrate time-based cycles into the maintenance plan. However, these do not have counters.
If you schedule the multiple counter plan, the system calculates the planned deadlines for each maintenance cycle based on the current counter reading and the estimated annual counter activity. For a time-based cycle, the system calculates the deadlines based on the time unit and the cycle duration.
For more details about how to create and schedule a multiple counter maintenance plan, please see the following video: