Research On Sector Operation Safety Assessment Based On Control Workload

In recent years, with the rapid development of China’s civil aviation industry, flight trafficsubstantially grows. As the basic unit of the airspace, sector’s operating environment is increasinglycomplex. Whether the aircraft in the airspace can operate safely is an issue of concern. Operationalsafety of sector is an effective means to ensure the airspace are reasonable and the whole system runssmoothly. Follow the scientific, rational, workable methods and procedures to carry out operationalsafety of sector assessment can fully and effectively identify problems and risks in order to takemeasures to eliminate or avoid risks. The probability of the risk and results can be controlled withinan acceptable range. It can achieve safety sooner.In this paper, we make a scientific and in-depth research on the safety of sector from thetheoretical and practical aspects, considering the controller’s workload. First, to explain thebackground and significance of the subject, summarize the research status at home and abroad, and toextract the contents of this article. Secondly, it introduces the concept of the safety of sector relatedand the factors affecting operational safety, several types of mainstream airspace safety assessmentmethods are compared. Then, flight flow as a bridge, analyze the relationship between controllerworkload and the level of security risk. Operational safety assessment of sector based on thecontroller workload is proposed. Finally, a regional sector Shanghai, for example, to evaluate itsairspace security, and to determine the workload threshold for the sector capacity assessment,providing a supplementary decision-making role. Examples demonstrate the feasibility andapplicability of the new method.