• 한국항공운항학회지
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• 제30권1호
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• pp.12-19
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• 2022

The exhaust wake of an aircraft engine is discharged in a high temperature and high speed, which can damage objects such as an aircraft in the rear. The exhaust wake can lift small foreign substances lying on the ground or falling off, and the floating foreign substances can enter the intake duct of the aircraft moving from the rear and cause engine FOD (Foreign Object Damage). This study experimentally analyzed how the engine exhaust wake generated from military jet fighters affects the movement of foreign substances and evaluated the effects of foreign substances on the damaged area by measuring wake velocity. The simulation and field experimental results confirmed that the effect of exhaust wake increases as the rear position closer, and that foreign substances lifted by the wake can act as FOD to the adjacent rear aircraft.

• 한국항공운항학회지
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• 제30권1호
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• pp.1-11
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• 2022

The capacity of Jeju International Airport has reached its limit due to a surge in air traffic demand such as passengers and cargo and the continuous expansion of Low Cost Carriers (LCC). Despite COVID-19 that has began in November 2019, Jeju International Airport still has continuous demand in terms of passenger and cargo transportation. As a result, it is undeniable that the delay rate also unexpectedly increased as the air traffic volume at Jeju International Airport continued to increase. In this study, the correlation between Turnaround Time and delay rates of national airlines is analyzed based on past flight data at Jeju International Airport, and the cumulative delay time trend for sampled airlines is compared with Turnaround Time. Through this study, it is expected to contribute to securing aircraft operation efficiency and on-time by analyzing delays related to Turnaround Time at Jeju International Airport.

• 한국항공운항학회:학술대회논문집
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• 한국항공운항학회 2015년도 추계학술대회
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• pp.133-137
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• 2015

비행안전과 효율적인 정비를 수행하기 위해서는 우수한 항공정비사의 양성이 절대적으로 필요하다. 이에 따라 본 연구에서는 개인의 행동유형이 항공정비사로서의 업무 숙련도에 미치는 영향이 있는지를 검증하기 위하여 항공정비학과에 재학 중인 학생들을 대상으로 DISC 진단지를 통해 행동유형을 조사하였다. 개인 별 행동유형과 항공기체, 항공기관 및 항공전기 전자 실습성적을 분석하여, 행동유형과 실기 실습 숙련도의 상관관계를 분석하여 항공정비사의 행동 유형이 직무 숙련도에 미치는 영향과 행동 유형별 적합한 항공정비직무를 예측하기 위한 실증연구를 수행하였다.

• 한국항공운항학회지
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• 제29권4호
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• pp.105-116
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• 2021

The importance of a systematic approach to collect, process, analyze, and share safety data in aviation safety management is continuously increasing. Accordingly, the domestic aviation industry has been making efforts to build a Big-data platform that can utilize multi-field safety data generated and managed by various stakeholders and to develop safety management technology based on them. Big data platforms not only must meet appropriate technical requirements, but also need to establish a management system for effective operation. The purpose of this study is to suggest the requirements of the aviation safety big data platform operation procedure and plan by reviewing the advanced overseas cases (FAA ASIAS). This study can provide overall framework and managerial direction for the operation of the aviation safety big data platform.

• 한국항공운항학회지
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• 제32권1호
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• pp.39-48
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• 2024

Aviation industry is moving towards the third innovative era of AAM with electric power and AI after the JET-powered era following the Wright brothers' first flights. Research on UAM, eVTOL development, certification, and operations is competitively progressing, primarily in aviation-leading countries, aiming to resolve urban traffic saturation and foster the future aviation industries. This study introduces the concept of the pilot's role transition in operational safety as AI autonomous flight advances, comparing K-UAM operational concept with research from FAA, NASA, and EASA. It is to identify and propose solutions for challenges from the pilot's perspective in developing UAM and its safe operation system. To succeed in Advanced Air Mobility National Project, we suggest the collaboration among industry, academia, and institutions, along with the cooperation between civilians, governments, military, and the need for Urban Air Mobility integrated policies.

• 한국항공운항학회지
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• 제30권3호
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• pp.19-27
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• 2022

Urban Air Mobility is expected to resolve some problems in urban transportation such as traffic congestion and air pollution. Various studies for a large-scale commercialization of UAM are being actively conducted. To that end, the UAM Traffic Management system aims at securing a safety and an efficiency of UAM operations. In this study, a risk assessment model is proposed to evaluate the risk of collision between a vehicle and surrounding obstacles. The proposed model is conceived from the past studies for determining a proper separation distance between parallel runways for their independent operations. The model calculates the risk that the surveillance system fails to meet a target level of safety for a given buffer zone size between a designed route and surrounding obstacles. The model is applied to one of the routes proposed in K-UAM roadmap to evaluate its performances.

• 한국항행학회논문지
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• 제27권3호
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• pp.247-254
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• 2023

미국의 가인(GAIN)은 Pilot/Controller Collaboration Initiatives 보고서에서 "조종사와 항공교통관제사는 하루 종일 서로 이야기하지만 거의 의사소통하지 않는다."라고 기술하였다. 조종사-항공교통관제사 간의 안전 운항에 대한 인식과 문화, 또는 다른 요인에서 오는 차이점이 절차와 지시에 대하여 서로 간의 오해가 있는가라는 의문이 연구의 시발점이 되었다. 촉박한 시간 내에 해결해야 하는 많은 과정은 James Reason의 Swiss Cheese Theory와 같이 연쇄적인 위험요인을 거쳐 사고를 유발할 가능성을 높인다. 비행의 주체가 되는 조종사-항공교통관제사 간의 복합 요소가 상당 부분 차지하고 있는데 불구하고 두 집단 간의 안전 운항을 위한 통합적인 관리는 이루어지고 있지 않다. 본 연구는 조종사-항공교통관제사 간의 안전 운항을 위한 안전 및 교육의 통합적인 관리를 JCRM을 통해서 이루고자 기술하였다.

• 한국항공운항학회지
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• 제27권3호
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• pp.98-105
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• 2019

In the past 30 years, our aviation demand has been growing continuously. As such, the importance of the demand forecasting field is increasing. In this study, the factors influencing Korea's international air demand were selected, and the international air demand was analyzed, forecasted and reviewed through OLS multiple regression analysis. As a result, passenger demand was affected by GDP per capita, oil price and exchange rate, while cargo demand was affected by GDP per capita and private consumption growth rate. In particular, passenger demand was analyzed to be sensitive to temporary external shocks, and cargo demand was more affected by economic variables than temporary external shocks. Demand forecasting, OLS multiple regression analysis, passenger demand, cargo demand, transient external shocks, economic variables.

• 한국항공운항학회지
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• 제31권1호
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• pp.1-10
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• 2023

This study investigated the accident cases of the U.S. Air Force and the R.O.K. Army. It analyzed the accident factors of the unmanned aircraft system using case analysis on unmanned aircraft system operators of the R.O.K. Air Force. Following the analysis this paper suggested safety operation plans for the R.O.K. Air Force. The risk factors of unmanned aircraft system were summarized by collecting and analyzing accident cases of unmanned aircraft system by the U.S. Air Force, collecting and analyzing accident risk factors of RQ-4 operators of the R.O.K. Air Force. Through the analyzed risk factors, a safety operation plan for the semi-automatic unmanned aircraft system and the fully automatic unmanned aircraft system was presented.

• 한국항공운항학회지
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• 제26권4호
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• pp.43-53
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• 2018

안전관리시스템(Safety Management system, SMS)은 국제민간항공기구(ICAO)에서 정의된 서비스제공자의 의무사항으로 우리나라의 공항 분야는 2005년 부터 구축되어 현재까지 운영되고 있다. 항공교통량 증가에 따른 사고의 발생가능성 증가에 대응하기 위해 채택된 새로운 체계가 SMS라는 점을 고려할 때, 공항 SMS는 항공사와 조업사 등 관련 업체와 연계되며 이동지역에서 근무하는 종사자의 행동에도 긍정적인 영향을 미칠 수 있어야 할 것이다. 본 연구는 인천공항이 실행하고 있는 외부지향적인 SMS활동이 항공사, 조업사 등에 소속된 이동지역 종사자의 지식과 행동에 미치는 영향에 대해 연구하고자 하였다. 총 593명의 종사자가 조사에 참여하였으며, 공항SMS는 안전지식을 통해 안전행동에 영향을 미치는 것으로 나타났다. 이 연구 결과는 공항이 조업사 등 별개의 업체 종사자에 대한 안전정책 설정을 위한 기초자료로 활용될 수 있을 것으로 기대된다.