It is now possible to define the default Handling Request items per specific aircraft.
The items per aircraft can be set up in the 'Requested items' part of the section Settings > Handling Requests. Select an aicraft by marking a checkbox and insert the items (each in a new line).
Any changes made to the list of the requested items will only apply to the newly added flights and not the existing flights.
The items per aircraft will overwrite the operator default requested items in Handling Request email.