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Grant support

The authors would like to express their gratitude to Cranfield University for its openness and hospitality, providing the corresponding author the opportunity to join its team and work along with the research group on ATM. Along with the continuous support from the UPM Air Navigation Research Group (GINA-UPM), an excellent environment has been created for the developing of this research work, hopefully the first of many collaboration between both research groups. Also, the authors would like to thank Consejo Social of UPM for its financial support to Rocio Barragan during her stay at Cranfield University. Special thanks to Nicolas Suarez Tetzlaff and Alan Ross Groskreutz for their selfless help building the paper, particularly reviewing the use of English.

Analysis of institutional authors

Barragan Montes, RocioCorresponding AuthorGomez Comendador, FernandoAuthorPerez Sanz, LuisAuthor

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Article

Finding Precursory Air Traffic Management Safety Metrics Using Exploration of Trajectory Radar Tracks

Publicated to:Journal Of Aerospace Engineering. 31 (1): 4017085- - 2018-01-01 31(1), DOI: 10.1061/(ASCE)AS.1943-5525.0000796

Authors: Barragan Montes, Rocio; Gomez Comendador, Fernando; Nieto, Francisco Javier Saez; Perez Sanz, Luis

Affiliations

Cranfield Univ, Ctr Aeronaut, Sch Aerosp Transport & Mfg, Cranfield MK43 0AL, Beds, England - Author
Tech Univ Madrid, Aeronaut & Space Engn Sch, Pza Cardenal Cisneros 3, Madrid 28040, Spain - Author

Abstract

The definition of a set of precursory safety metrics is critical to detect when an airspace is degrading in terms of safety and thus undesired effects are becoming more likely. Furthermore, safety metrics are paramount in the measurement of the impact of new operational procedures or technical improvements in the air traffic control system. The study presented in this paper introduces three safety metrics (reaction time performance indicator, time to closest point of approach performance indicator, and time to closest point of approach critical limit ratio) derived from a given airspace and a sizable, assorted traffic sample extracted from traffic surveillance track data. The metrics are used to characterize the airspace as a function of the safety outcome, which can be continuously overseen. The final goal of the safety metrics is to be used as an airspace safety warning system, where precursory metrics would signal the need to act to maintain the air traffic control system safety target in the face of operational, organizational, technical, or legal changes. (C) 2017 American Society of Civil Engineers.

Keywords

Aerospace engineeringAerospace engineering & technologyAstronomia / físicaCivil and structural engineeringEngenharias iiiEngineering, aerospaceEngineering, civilGeneral materials scienceMateriaisMaterials science (all)Materials science (miscellaneous)Mechanical engineering

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Aerospace Engineering due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2018, it was in position 15/31, thus managing to position itself as a Q2 (Segundo Cuartil), in the category Engineering, Aerospace. Notably, the journal is positioned en el Cuartil Q2 para la agencia Scopus (SJR) en la categoría Aerospace Engineering.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-14:

  • Open Alex: 3
  • Google Scholar: 3
  • WoS: 1
  • OpenCitations: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-14:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 11 (PlumX).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: United Kingdom.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (BARRAGAN MONTES, ANA DEL ROCIO) and Last Author (PEREZ SANZ, LUIS).

the author responsible for correspondence tasks has been BARRAGAN MONTES, ANA DEL ROCIO.