The Study Of Alternate Airport Supportability Based On The Mixed Effects Models

In recent years,flight volume in large Chinese airport increased year by year.The airport capacity is saturated,and the supportability of alternate flights is taken into account,gradually.Due to the influence of bad weather and airports or airspace capacity constraints,the issue of large-scale alternate flights is significant.Alternate airport supportability is an important guarantee for the safety of alternate flight,and an important aspect of the aviation safety and service quality.According to the present situation and the existing problems,based on the mixed effects models,the study of alternate airport supportability is carried out.First of all,summarize the basic concepts and the processes of alternate flights operation,and analyze the component of alternate airport supportability.Secondly,based on the principles of constructing index system,using the analytic network process,proposes a method of establishing the alternate airport supportability index system.Third,According to the index system,establish a mixed effects model to calculate remainder aircraft stands,using the statistical analysis software to compute the parameters of the model.Fourth,take a domestic airport as the research object,simulation and verification of the mixed effects model.The result shows the model is available,and the assessment of alternate flight supportability of the airport is obtained.According to the investigation on the airport,air traffic control,airlines,combine with the theory and research method on alternate airport at home and abroad,explores the research on alternate airport supportability,which are useful for promoting the domestic airport supportability.