operational acceptable level of traffic

operational acceptable level of traffic (OALT)

An air traffic activity level associated with the designed capacity of a sector or an airport. The OALT normally is considered the total number of aircraft that any air traffic functional position can accommodate for a defined period of time under a given set of circumstances. The OALT considers dynamic changes in staffing, personnel experience levels, equipment outages, operational configurations, weather, traffic complexity, aircraft performance mixtures, transitioning flights, adjacent airspace, handoff/point responsibilities, and other factors that may affect an air traffic operational position or system element.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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