Abstract
This paper deals with analyzing and modelling performances of a long-haul air route network operating as the queuing network. The network consists of the routes/tracks with flight levels serving aircraft/flights as the service channels. The main network performances are the ultimate and practical capacity of service channels, the aircraft/flight demand, delays before entering and total time of aircraft/flights spending in the network, and the related generalized costs including those of airlines, air passengers, policy makers and society. The analytical models of the particular network performances and three routing or assignment models/procedures for matching the aircraft/flight demand to capacity are developed and applied to the long-haul air route network in the North Atlantic airspace between Europe and North America.
 The results have indicated that. the network capacity has been strongly dependent on the number of routes/tracks and flight levels, i.e., service channels and their ultimate and/or practical capacity. The ultimate capacity has been mainly influenced by the ATC (Air Traffic Control) separation rules applied between aircraft/flights operating in the same directions. The practical capacity has been strongly influenced by the ultimate capacity and the average delays imposed on aircraft/flights before entering the network. The rather superior and close to optimal model/procedure for matching demand to capacity has been routing or assignment of the aircraft/flights demand in proportion to the ultimate or practical capacity of particular service channels minimizing the total generalized costs of the actors/stakeholders involved.
Highlights
The ATC (Air Traffic Control) is considered as one of the main components of the air transport system together with airports and airlines
This paper has presented analyzing and modelling performances of the long-haul air route network operating as the queuing network in the large airspace according to “what-if” scenario(s)
These performances have been the network capacity consisting of the capacities of particular routes/tracks as the “service channels”, the aircraft/flight demand, and their relationships influencing the aircraft/flight total average delays and related generalized costs of airlines, air passengers, and impacts on the environment/externalities
Summary
The ATC (Air Traffic Control) is considered as one of the main components of the air transport system together with airports and airlines. The main objectives of ATC are to serve the aircraft/flights in the airspace safely, efficiently, and effectively. The over-water (ocean) segments of flights are monitored in discrete time intervals by communicating of ATC controllers and pilots In these cases, the ATC minimum horizontal time-based and verticaldistance separation rules are applied. This paper deals with an analysis and modelling of performances of a long-haul air route network established in the large controlled airspace. The network is modelled as the queuing network serving the aircraft/flights demand by the capacity of its nodes and links In addition to this introductory, the paper consists of four other sections.
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