Modelling performance an air transport network operated by subsonic and supersonic aircraft

M. Janić*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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This paper deals with modelling the performance of an air transport network operated by existing subsonic and the prospective supersonic commercial aircraft. Analytical models of indicators of the infrastructural, technical/technological, operational, economic, environmental, and social performance of the network relevant for the main actors/stakeholders involved are developed. The models are applied to the given long-haul air route network exclusively operated by subsonic and supersonic aircraft according to the specified "what-if"scenarios.The results from application of the models indicate that supersonic flights powered by LH2 (Liquid Hydrogen) could be more feasible than their subsonic counterparts powered by Jet A fuel, in terms of about three times higher technical productivity, 46% smaller size of the required fleet given the frequency of a single flight per day, 20% lower sum of the aircraft/airline operational, air passenger time, and considered external costs, up to two times higher overall social-economic feasibility, and 94% greater savings in contribution to global warming and climate change. These flights could be less feasible in terms of about 70-85% higher aircraft/airline operational costs, 70% and 19% higher fuel consumption and emissions of Green House Gases, respectively, and 6-13% higher noise compared to the specified acceptable levels.

Original languageEnglish
Pages (from-to)1702-1739
Number of pages38
JournalAeronautical Journal
Issue number1281
Publication statusPublished - 2020


  • Air route network
  • indicators
  • modelling
  • performance
  • social-economic feasibility
  • subsonic and supersonic aircraft/flights


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