Journal of Air Transport Management最新文献

{"title":"Directs in European air traffic management: When and why are they actually granted?","authors":"Pau Esteve,&nbsp;Massimiliano Zanin","doi":"10.1016/j.jairtraman.2025.102766","DOIUrl":"10.1016/j.jairtraman.2025.102766","url":null,"abstract":"<div><div>Directs, i.e. instances in which an aircraft skips one or more waypoints to head straight to the next one in the flight plan, are essential instruments in the toolbox of air traffic controllers. They can be used both to reduce the flown distance and to avoid conflicts, thus directly affecting the efficiency and safety of the system. In spite of their importance, few studies have analysed how directs are used in real operational contexts. We here present an analysis of how and when directs were granted in the European airspace in 2015 and 2019. While effective at reducing delays, results indicate that directs are mostly associated with low traffic situations, hence weakly affecting delayed flights. We further estimate the real and potential savings they entail for the system, in terms of CO<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span> emissions, showing how they are minor with respect to the global environmental impact of aviation.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"125 ","pages":"Article 102766"},"PeriodicalIF":3.9,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143592713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatial effects of urban economic activities on airports’ passenger throughputs: A case study of thirteen cities and nine airports in the Beijing-Tianjin-Hebei region, China","authors":"Ming Wei ,&nbsp;Yu Xiong ,&nbsp;Bo Sun","doi":"10.1016/j.jairtraman.2025.102765","DOIUrl":"10.1016/j.jairtraman.2025.102765","url":null,"abstract":"<div><div>This paper employs spatial econometrics to empirically analyze the possible spatial effects of the economic activities of thirteen cities in the Beijing-Tianjin-Hebei region in China on passenger throughput (PT) and infrastructures of nine airports from 2005 to 2019. In the first step, the global Moran's I index with airport PT or city GDP is calculated to explore their overall spatial dependence. In the second step, a suitable spatial measurement model was determined using the Lagrange multiplier, likelihood ratio, Hausman, and Wald tests to evaluate direct and spillover effects of infrastructures of airports, economic activities of cities as well as spatial weight matrix between airports and cities on airport PT, providing an unambiguous basis for policy formulation and testing. The main findings prove that the urban economic and demographic growth directly influences PTs of the local airport and those in neighboring cities. While positive economic activities in all cities promote PT growth in airports, they are also influenced by other factors, including infrastructure and network layout. Finally, the same economic activities of the airport city and neighboring cities have different impacts on the PT under various spatial distance weights.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"125 ","pages":"Article 102765"},"PeriodicalIF":3.9,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143487763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-objective vertiport location optimization for a middle-mile package delivery framework: Case study in the South Holland Region","authors":"Victor Petit,&nbsp;Marta Ribeiro","doi":"10.1016/j.jairtraman.2025.102757","DOIUrl":"10.1016/j.jairtraman.2025.102757","url":null,"abstract":"<div><div>With the rapidly increasing pace of urbanization and high demand for efficient modes of transport, the Urban Air Mobility (UAM) market has seen a remarkable growth in the past years. This is especially the case for the transportation of goods. Using UAM for cargo operations is likely through operating on Middle-Mile Delivery (MMD) missions to transport cargo between facilities or distribution centers in an operator’s network. The efficiency and practicality of such a network are largely affected by the selection of strategic positions for vertiports. As vertiport location optimization is underexplored in current scientific research this paper aims to fill this research gap by developing and analyzing a multi-objective optimization model for the placement of vertiports for a middle-mile package delivery system, considering capacity, available land space, safety and noise impact factors. We develop a novel Multi-Objective Multiple Allocation Capacitated p-Hub Coverage Problem framework for an MMD UAM network and test it using the South Holland region as a case study. Notably, the model can easily be converted to other cities. First, to reduce computational efforts, the K-means clustering algorithm is proposed. This is used to divide 6625 zones into a number of K clusters, with each cluster representing a vertiport candidate location. Furthermore, we present a multi-objective Tabu Search based heuristic optimization algorithm to solve the optimization problem. The impact of different factors such as number of clusters, number of vertiports, drone range, maximum safety distance, and turn around time The presented model provides decision-makers with the ability to assess the suitability of a region for the implementation of a UAM MMD system and aids in the identification of potential good locations to set up vertiports. We demonstrate that an increase in the number of vertiports leads to a higher attainable demand coverage, however, this results in a steep drop-off in terms of safety and noise nuisance performance. Furthermore, the results show that an increase in drone range, maximum safety distance or a decrease in turn around time allow for overall better performing vertiport networks.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"125 ","pages":"Article 102757"},"PeriodicalIF":3.9,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143487762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vertiport location selection criteria for urban air mobility","authors":"Tulin Mercan ,&nbsp;Volkan Yavas ,&nbsp;Dilek Can ,&nbsp;Yasin Mercan","doi":"10.1016/j.jairtraman.2025.102760","DOIUrl":"10.1016/j.jairtraman.2025.102760","url":null,"abstract":"<div><div>Urban traffic congestion remains a critical issue for humanity in the industrial age of intense urbanization. The introduction of electric vertical take-off and landing (e-VTOL) aircraft in the early 2000s sparked innovation in transportation and logistics, offering a novel approach to addressing urbanization-related congestion. Research focused on Urban Air Mobility (UAM) has led to R&amp;D activities for e-VTOL aircraft while vertiports are being developed. Although the space constraint for the establishment of vertiports in megacities is frequently mentioned in the literature, the number of studies on where vertiports should be established and the criteria to be considered when determining this are limited. The present study identifies criteria for evaluating the selection of vertiport locations within metropolitan areas through a literature review, utilizing the BWM method from Multi-Criteria Decision Making (MCDM) techniques for analysis. The findings indicate that Airspace Management ranks highest in importance among the criteria, while meteorological conditions are identified as the least critical.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102760"},"PeriodicalIF":3.9,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The cost of capital for airlines: The effects of internal governance practices and the application of new leasing standards","authors":"Alicia Ramírez-Orellana ,&nbsp;Anne Marie Garvey ,&nbsp;Laura Parte ,&nbsp;José Antonio Gonzalo-Angulo","doi":"10.1016/j.jairtraman.2025.102758","DOIUrl":"10.1016/j.jairtraman.2025.102758","url":null,"abstract":"<div><div>The tourism literature has made a real effort to study the impact of internal governance practices and external factors on corporate performance and business risk. Nevertheless, knowledge in the airline industry is less advanced than in other industries. This study aims to fill the gap by extending our learning in a new direction. To be specific, we address the following research questions: 1) Do internal governance practices affect the cost of capital (CoC) for airlines? 2) Do the new leasing standards (IFRS 16 and ASC 842) affect the CoC? 3) Has external audit pricing mediated previous relationships? To this end we collect information on 50 airlines for the period 2017–2022. The main results show that both the adoption of new leasing standards (IFRS 16 &amp; ASC 842) and the governance dimension are important instruments for managing risk. There is also a sizeable mediation effect on audit pricing involved in the strategy of having good governance mechanisms for reducing the CoC for airlines.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102758"},"PeriodicalIF":3.9,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143471417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Information trust and its outcomes in the airline industry: The type of service providers as a moderator","authors":"Jinsoo Hwang ,&nbsp;Jungsun (Sunny) Kim ,&nbsp;Kyu-Hyeon Joo ,&nbsp;Ja Young (Jacey) Choe","doi":"10.1016/j.jairtraman.2025.102763","DOIUrl":"10.1016/j.jairtraman.2025.102763","url":null,"abstract":"<div><div>This study investigated information trust and its outcomes in the airline industry. More specifically, it proposed a research framework including information trust (i.e. cognitive trust and affective trust), information costs saved, customer satisfaction, attitude, and intentions to use. In addition, the framework was strengthened by containing the type of service providers as a moderator (i.e. service robots versus human staff). The data was collected from 314 airport customers who received information from service robots and 312 customers who received information from human staff. The results showed that cognitive trust had a significant effect on affective trust, and both cognitive and affective trust significantly influenced information costs saved. The results further revealed that the following relationships were significant: (1) the effect of information costs saved on customer satisfaction; (2) the effects of information costs saved and customer satisfaction on attitude; and (3) the effects of customer satisfaction and attitude on intentions to use. Lastly, the relationship between affective trust and information costs saved was moderated by the type of service providers. This study provided support for the positive influence of information trust on customer perceptions and attitudes in an airport setting in which there is a lack of empirical research. Based on our findings, we provided recommendations for operators and vendors seeking to enhance customer trust and reduce information costs.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102763"},"PeriodicalIF":3.9,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143453259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From innovation to adoption: A framework-based evaluation of sustainable adoption strategies for eVTOL vehicles in shared passenger and freight transportation system","authors":"Vishal Kashav ,&nbsp;Chandra Prakash Garg","doi":"10.1016/j.jairtraman.2025.102761","DOIUrl":"10.1016/j.jairtraman.2025.102761","url":null,"abstract":"<div><div>Amid ongoing advancements in the transportation sector, the commercial viability of electric Vertical Take-Off and Landing (eVTOL) vehicles is being evaluated for their potential to offer flexible, reliable, rapid, and eco-friendly mobility solutions. While the engineering aspects of eVTOL vehicles have been extensively studied worldwide, the sustainable adoption of this technology has not yet been fully explored. To bridge this gap, the current study first identifies sustainable adoption strategies for eVTOL vehicles in shared passenger and freight transportation arrangements and then evaluates them using the Grey-DEMATEL (Decision-Making Trial and Evaluation Laboratory) method. The methodology uncovers the causal relationships between these strategies and highlights their criticality, allowing for the prioritization of the most essential ones. The key contribution of this study lies in emphasizing top-ranked strategies, particularly the enhancement of customer adoption, which is often overlooked in the existing literature. Most published studies focus primarily on the technical aspects of this innovation, neglecting the crucial importance of prioritizing customer acceptance for sustainable adoption. Additionally, we identified that government support, financial incentives such as subsidies, and a strong understanding of the technology are critical focus areas for accelerating adoption. This study makes a significant contribution by being one of the first attempts to create a Grey-DEMATEL-based framework for evaluating sustainable adoption strategies in the context of eVTOL vehicles’ deployment in shared passenger and freight transportation arrangements. Lastly, a sensitivity analysis is conducted to ensure the robustness of the method; consequently, the entire framework is found to be robust.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102761"},"PeriodicalIF":3.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143428025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electric vertical takeoff and landing and consumer intention: An empirical test under a theoretical framework","authors":"Wenjuan Liu ,&nbsp;Yanfeng Liu","doi":"10.1016/j.jairtraman.2025.102759","DOIUrl":"10.1016/j.jairtraman.2025.102759","url":null,"abstract":"<div><div>EVTOL offers a rapid and environmentally friendly mode of urban air mobility, however, realizing this innovative solution hinges on consumer intention to ride eVTOLs. Therefore, it is essential to investigate consumers' intention to ride eVTOLs and the factors influencing it. This study seeks to empirically analyze the core elements of the extended TPB through surveys and SEM, explore consumers' intention to ride eVTOLs and their potential influencing factors, and provide suggestions for the application and promotion of eVTOL according to the findings of the research. The results indicate that face consciousness and susceptibility to acrophobia have significant indirect effects on the intention to ride, while perceived risk positively directly affects the intention. The most influential factor affecting consumers' intention is perceived behavioral control. Attitudes towards riding eVTOLs and subjective norms significantly and positively influence consumer riding decisions. Finally, this study provides decision support for stakeholders in formulating relevant policies and marketing strategies to facilitate the application and promotion of eVTOL.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102759"},"PeriodicalIF":3.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143421621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tail assignment problem with hour-to-cycle ratio constraints","authors":"Çiya Aydoğan ,&nbsp;Sinan Gürel","doi":"10.1016/j.jairtraman.2025.102756","DOIUrl":"10.1016/j.jairtraman.2025.102756","url":null,"abstract":"<div><div>Effective management of hour-to-cycle performance is crucial for any aircraft operating under an operating lease contract. This protects an airline from incurring supplemental rental payments that arise from leasing contract terms. One way of managing accumulated flight hours and flight cycles on aircraft is integrating related performance measures in the tail assignment decisions. This study introduces the tail assignment problem (TAP) considering aircraft’s hour-to-cycle ratio performance. We introduce a novel TAP formulation explicitly incorporating aircraft hour-to-cycle ratio constraints, which are typically overlooked in traditional models. Our numerical analysis demonstrates that overlooking the hour-to-cycle performance of aircraft in tail assignment decisions can result in drastic deviations from target ratios. Therefore, we propose a mathematical model that includes penalty costs for violating the aircraft’s target hour-to-cycle ratios. We propose one McCormick linearization and one second-order conic reformulation for the nonlinear constraints in the model. We perform computational analyses by generating problem instances derived from an actual flight schedule. Computational results show that within a given time limit the model with McCormick linearization solves more instances to optimum than the model with conic reformulation. Also, it achieves an average optimality gap of 1.62% while the average gap is 6.39% for the solutions obtained with the conic formulation.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102756"},"PeriodicalIF":3.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143421622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Are we ready for the unexpected disruption? Job embeddedness, calling, and turnover intentions","authors":"Yu-Yu Chang ,&nbsp;Yueh-Duo Chen","doi":"10.1016/j.jairtraman.2025.102762","DOIUrl":"10.1016/j.jairtraman.2025.102762","url":null,"abstract":"<div><div>Drawing on Event System Theory, this paper examines how organizational responsiveness to the pandemic, COVID-19 disruption, and job embeddedness influence airline personnel's turnover intention and investigates the moderating role of career calling. Through a longitudinal survey, we collected 372 observations from 186 full-time aviation employees in Taiwan, including cabin crew and ground staff. During the three-week interval, COVID-19 cases in Taiwan sharply increased for the first time, evolving from localized transmission (1390 daily confirmed cases) to the peak of a nationwide pandemic (35,205 daily confirmed cases). Results show that organizational responsiveness and COVID-19 disruption affect turnover intention through the mediating effect of job embeddedness. Moreover, we found that the negative indirect effects of organizational responsiveness and COVID-19 disruption on turnover intention are amplified when aviation personnel's career calling is high. By leveraging data from the pandemic's natural progression, this paper empirically contributes to the existing discourse on Event System Theory and offers practical implications for managing human resource loss during profound and unexpected events.</div></div>","PeriodicalId":14925,"journal":{"name":"Journal of Air Transport Management","volume":"124 ","pages":"Article 102762"},"PeriodicalIF":3.9,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143421570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}