Ultra’s Airport Charge Calculation Engine, UltraBILLING, is an industry targeted charging mechanism that enables the financial valuation of the aeronautical services used by airport customers, such as commercial airlines, general aviation, private airlines and army flights.

Based around a fully configurable business rules workflow engine, its aim is to improve an airport's data accuracy and cash position.

Its strength is in its ability to enable an airport to set up all the detailed fees necessary, to ensure they are accurately and correctly charging airport customers for the services they have used. The setup of these airport specific, detailed rules is something that the large, generic commercial billing engines typically find difficult.

UltraBILLING provides the glue between airport operational data and the financial ERP suite. It contains all the tariffs and charge codes necessary for punctual and accurate billing.