This study examines security management issues of small aviation facilities with F-class landing strips in Korea. Under the Airport Facility Act Enforcement Regulation, F-class runways (1,080-1,280 m) mainly serve light aircraft and flight training operations, but many are used continuously outside the national aviation security framework. A comparative review of ICAO, FAA, and EASA regulations shows that foreign systems apply responsibility-based self-regulation, assigning minimum security obligations to operators. However, Korea lacks such mechanisms for small but regularly operated facilities. To address this gap, this study proposes establishing a new Small Aerodrome category and incorporating a Security Management Plan into the National Aviation Security Programme (NASP). These measures will enhance proportional, operator-centered security oversight and strengthen integration within the national aviation security system.

This study designed an integrated certification system of ISO 50001 (energy management system) and ISO 14001 (environmental management system) with the goal of reducing corporate carbon emissions, and analyzed cases of applying it to actual management. In order to overcome the limitations of individual certification, an integrated operating system of the two standards was established, and a method was sought to maximize corporate energy efficiency and carbon emission management performance. After introducing the integrated system, the company under study reduced energy consumption by up to 30%, and carbon emissions were also significantly reduced. These results were achieved through internal process improvement and supply chain collaboration. This study suggests that the ISO integrated certification system can contribute to cost reduction and sustainable management, and proposes an implementation model that can be utilized in various industries in the future.

Due to the complexity of urban area, the city vehicle routing problem has been a difficult problem. The problem has involved factors such as parking availability, road conditions, and traffic congestion, all of which increase transportation costs and delivery times. To resolve this problem, one effective solution can be the use of parcel lockers located near customer sites, where products are stored for customers to pick up. When a vehicle delivers products to a designated parcel locker, customers in the vicinity must pick up their products from that locker. Recently, identifying optimal locations for these parcel lockers has become an important research issue. This paper addresses the parcel locker location problem within the context of urban traffic congestion. By considering dynamic environmental factors, we propose a Markov decision process model to tackle the city vehicle routing problem. To ensure more real situations, we have used optimal paths for distances between two nodes. Numerical results demonstrate the viability of our model and solution strategy.