Declared capacity

urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Declared_capacity

A measure of the ability of the ATC system or any of its subsystems or operating positions to provide service to aircraft during normal activities. It is expressed as the number of aircraft entering a specified portion of airspace in a given period of time, taking due account of weather, ATC unit configuration, staff and equipment available, and any other factors that may affect the workload of the controller responsible for the airspace.

Source: ICAO