Risk Assessment on the Transition Program for Air Traffic Control Automation System Upgrade

Dong Bin Li,Yuan Zhou,Yu Song,Jian Wu Xu,Yu Mei Liu,J.C.M Kao,W.-P Sung

doi:10.1051/matecconf/20166304041

Abstract

We analyzed the safety risks of the transition program for Air Traffic Control (ATC) automation system upgrade by using the event tree analysis method in this paper. We decomposed the occurrence progress of the three transition phase and built the event trees corresponding to the three stages, and then we determined the probability of success of each factor and calculated probability of success of the air traffic control automation system upgrade transition. In the conclusion, we illustrate the transition program safety risk according to the results.

Highlights

Upgrading the air traffic control automation system can enhance the Air Traffic Control (ATC) operating environment and operational efficiency, and the upgrading process will inevitably lead to some risks, so risk assessment on the transition program is the key element to ensure the transition process safe
Event tree analysis is a temporal logical method of accident analysis, Which begins with an initiating event, analyzes step by step according to the development stage of the accident, where consequence of this event only takes one of the two diametrically opposed species status, progressively develops to the end until a system failure or an accident
Air traffic control automation system upgrade transition program divides the upgrade transition into three stages, gradually develops until the final end of the transition, which is similar to the process of event tree, so this paper analyzes the safety risk of the three stages in the transition process using the event tree method

Summary

Introduction

Upgrading the air traffic control automation system can enhance the ATC operating environment and operational efficiency, and the upgrading process will inevitably lead to some risks, so risk assessment on the transition program is the key element to ensure the transition process safe.Event tree analysis is a technique of risk analysis which deduces the possible consequences according to a chronological series of subsequent events from the initiating event. Whether the new system has been proved to be acceptable in the technique; 3 whether the backup ATC automation system can be made sure to run independently during the transition period, because only backup system is in use during the upgrade process from the old version to the new version which will take about two hours; At that time air traffic controllers rely on this backup system to command, so to ensure the normal operation of the backup system is the key.

Results

Conclusion