- Click on My Company > Aircraft in the main navigation
- Click the aircraft tail number you want to edit
- Click the serial number of the engine that is no longer active
- In the edit window, deselect the active check box and click "Save"
5. Click "Add New"
6. Enter the values of the rental/new engine. Be sure to check "Rental" (if applicable) and then click "Active". If it is a rental and is temporarily replacing an engine already assigned a sequence, be sure to assign the same sequence value to the rental engine and click "Save"