{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T12:15:42Z","timestamp":1783426542660,"version":"3.54.6"},"reference-count":35,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T00:00:00Z","timestamp":1732060800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>To enhance the operational management capabilities of general aviation airports, this paper proposes a method for evaluating the runway capacity of general aviation airports based on the runway expansion system. Firstly, it provides a brief introduction to the flight rules of general aviation airports and arrival and departure flight procedures with symmetrical characteristics, which serve as a theoretical basis for establishing the runway expansion system. Subsequently, a runway expansion system that covers symmetrical flight activities such as departure and arrival under a visual flight rule and an instrument flight rule is proposed, providing a conceptual model for evaluating the runway capacity of general aviation airports. On this foundation, the classical space\u2013time analysis model is improved to establish a single runway arrival, departure, and mixed operation capacity evaluation model for general aviation airports. Finally, the reliability and rationality of this method are verified through case evaluations and three sets of numerical experiments with symmetrical relationships. The experiments demonstrate that this method can better reflect the actual conditions of the runways at general aviation airports while ensuring flight safety, and it can provide a reference for related research.<\/jats:p>","DOI":"10.3390\/sym16111555","type":"journal-article","created":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T07:02:58Z","timestamp":1732086178000},"page":"1555","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Research on Runway Capacity Evaluation of General Aviation Airport Based on Runway Expansion System"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9690-982X","authenticated-orcid":false,"given":"Zhiyuan","family":"Chen","sequence":"first","affiliation":[{"name":"Equipment Management and Unmanned Aerial Vehicle Engineering College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huachun","family":"Xiang","sequence":"additional","affiliation":[{"name":"Equipment Management and Unmanned Aerial Vehicle Engineering College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bangcun","family":"Han","sequence":"additional","affiliation":[{"name":"Shandong Airport Management Group Rizhao Airport Co., Ltd., Rizhao 276816, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yachen","family":"Shen","sequence":"additional","affiliation":[{"name":"Equipment Management and Unmanned Aerial Vehicle Engineering College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ting","family":"Zhou","sequence":"additional","affiliation":[{"name":"Equipment Management and Unmanned Aerial Vehicle Engineering College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng","family":"Zhang","sequence":"additional","affiliation":[{"name":"Equipment Management and Unmanned Aerial Vehicle Engineering College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,20]]},"reference":[{"key":"ref_1","unstructured":"Civil Aviation Administration of China (2024, June 27). 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