AMPLAN Users Guide
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2.7. The AMPLAN maintenance planning module

The planning module is the heart of the system. In the planning module all the data stored and maintained in the various modules is being evaluated and due date/time for each SMP package, OOPR task, CMR task and life limit of installed components is being calculated for each aircraft in the database.

Figure 2.17. Planning module

Planning module

Selecting the aircraft in the drop down box on top will recall the data from the last planning session.

You can enter a date and supply aircraft times manually or you can have the system looking up the flight log module data for the date entered.

[Note]Note

You must provide a projected utilization in the fields on the right hand side in order to do planning.

The system will use the data supplied here, times and projected utilization, to calculate the next due for each task. This does also work backwards. E.g. if there is no maintenance event log record available for a certain task, the due date/time might be in the past compared to the date supplied.

You can play around with the values for aircraft time at the given date and the projected utilization to calculate "what if" scenarios e.g. to optimize aircraft rotation schedules.

If the check box "Maintenance forecast until" remains unchecked, the system will calculate only one "next due" for each task. If you check this box and supply a date in the until field, the system will calculate all recurrent events until the supplied date for each task as well.

[Warning]Warning

This might become a lengthy process if you have the system calculating all tasks for several years.

You can specify whether you want the overdue from the last check accumulated or automatically deducted from the repeat interval.

Example 2.5. Accumulating overdue

Assume an A2 check with an interval of 800 FH would have been due at 800 FH and 
you complied with at 807 FH, so you have been 7 FH overdue. If you decide to 
accumulate the overdue then AMPLAN will give you the next due a 1607 FH. 
If you say you do not want to accumulate the overdue, the system will give you 
a next due at 1600 FH. 
    

To do the actual planning, click on "Calculate due times/dates". After a while the list with due tasks will be filled with all the tasks assigned to this aircraft and to any component installed in this aircraft.

[Important]Important

The due time is always shown as aircraft time.

E.g. a generator with a brush check interval of 600 hours was installed with 500 hours remaining at an aircraft time of 1500 FH TAT, the due time for the brush check will be calculated as 2000 FH TAT.

2.7.1. Printing of planning module output

In order to use the output of the planning module, the list of due maintenance item can be printed in various formats. The formats that everybody needs are an overview list, a sign sheet for phase checks and a sign sheet for work-packages containing manually selected tasks. AMPLAN allows to filter and sort the overview list for better readability. When you click "Print Overview" a small dialog will appear and allows you to make your selection.

You can print a sign sheet for a SMP package (phase check) simply by moving (moving means, set the record marker) to the package you want to print and click on "Print SMP package". This will print a list of all individual tasks belonging to this package with fields for Mech. and Insp. to sign the task off. After the last task there is a release to service text according to JAR 145 regulations which can be signed by a certifying staff. This printout can be used directly at the hangar-floor.

To print a sign sheet for a work-package, simply check the column WP for all tasks you want to appear on the sheet and click "Print Workpackage". This will produce a similar report as for a phase check but this time for all your manually selected tasks.