• Title/Summary/Keyword: Small aircraft

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An Analysis of Special Guards' Perception on Terrorism (테러리즘에 대한 특수경비원의 인식분석)

  • Kim, Hyo-Joon;Park, Heon-Young;Ahn, Byung-Soo
    • Journal of the Society of Disaster Information
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    • v.7 no.4
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    • pp.273-285
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    • 2011
  • This research present actual conditions on realization about safety of observable individual and country, terror countermeasure from danger of terrorism which special guards have. To achieve these purposes, 400 special guards were sampled using the convenience sampling method and collected data through questionnaire from self-administration method. the collected data are in statistics of p<.05 levels. As the result, we drew following conclusions. Special guards thought that terror might occur most in 'aircraft, rapid-transit railway, subway, and bus'. It was no difference in society demography(p>.05). In type of terror, 'bomb terror' seemed to happen most, and they recognized that biochemistry terror and factor terror, and hostage terror may happen in society demography. Purpose of terror was thought that 'political purpose' may be the biggest, and 'ideological purpose' and 'social purpose' joined the remainder. According to society demography, woman's realization about terror was higher than man in two low variables. According to age, image of terror was high in 40 more than 20. According to educational background, university graduate were higher than a high-school diploma in two low variables. According to place of work, metropolis was higher than small and medium-sized city.

A Study on Installation of Maritime Passenger Service Environment for the Disabled Persons (장애인을 위한 해상교통환경 구축 방안에 관한 연구)

  • Kim, Sungkuk;Han, Won-Heui;Yang, Hyungseon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.24 no.4
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    • pp.389-397
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    • 2018
  • Modern countries have almost ratified the UN Convention on the rights of persons with disabilities and are creating environments to prevent discrimination against these individuals. In 1996, the International Maritime Organization presented a recommendation for the design and operation of passenger ships to respond to elderly and disabled persons' needs. In Korea, an act on the promotion of transportation convenience for mobility disadvantaged persons has been implemented, and facilities for the disabled have been rapidly installed in ships, vehicles, aircraft, railways and passenger terminals. However, the maritime transport environment is less concerned about disabled persons than safety. In this study, basic research was conducted to improve the maritime transport environment for disabled people in Korea through a field survey and literature survey. As a result, it was found that relevant laws and regulations have not been properly applied to excursion ships and ferries as well as small-scale ports, which are responsible for a large part of coastal passenger transportation. In addition to low installation rates of facilities for the transportation of persons with disabilities in ships and terminals, loose equipment was also considered. Therefore, it is necessary to protect the human rights of persons with disabilities, which are universal values of humanity, by complementing laws and introducing improved facilities.

A Study on the Flight Safety Test of Drones for the Establishment of Toy Drone Safety Standards (완구용 드론 안전기준 재정을 위한 드론의 비행 안전성 테스트 연구)

  • Jin, Jung-Hoi;Kim, Gyou-Beom;Jin, Sae-Young
    • Journal of Convergence for Information Technology
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    • v.9 no.12
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    • pp.141-146
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    • 2019
  • Economic analysis predicts that the drone market will grow, and the growth of the toy and hobby drone market is expected to gradually expand. Drone expectations are rising due to the net economic function of drone market growth, but accidents due to improper management and operations are also increasing. The difference in toy drone performance is incomparably small compared to industrial drone performance, but the ordinary buyer can not know whether the difference can cause an accident during use. The toy drones used in this study were obtained from KC and CE certification, and 20 kinds of drones were used. The flight time ranged from a minimum of 3 minutes to a maximum of 12 minutes, and the control distance ranged from a minimum of 20m to a maximum of 380m. Therefore, it is necessary to secure product safety through sampling inspection of the radio wave output of toy drones, and it is also necessary to mount an algorithm that automatically lowers the altitude or hover when exceeding the limit flight distance. For future research, we will build data to establish toy drone safety standards through a altitude testing and impact testing of toy drone.

The Concrete Classification and Registration for sUAS (현행 법률상 비사업용 소형무인비행장치 신고 및 식별표시의무 강화 규정 도입의 필요성)

  • Kim, Sung-Mi
    • The Korean Journal of Air & Space Law and Policy
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    • v.34 no.1
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    • pp.125-157
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    • 2019
  • Technological advancement and demand of sUAS (small Unmanned Aircraft System)are rapidly growing, which makes the current legal system unable to follow. Currently, Aviation Security Act and its subordinate law exclude the registration and certification for non-commercial purpose sUAS weighing less than 12kg. Despite this sUAS being the most popular model for consumer, there is no way to regulate them legally. When there is sUAS crash accident, the operator legally responsible for the occurrence damage cannot be identified. It has been an issue for a long time with the concrete classification and registration of sUAS, but it has not been introduced yet. It is obvious that damages caused by sUAS will be transferred not only to operators but also to third parties. Discussions on liability insurance for these sUAS are actively being held. But first, it is necessary to identify who will be responsible for the damage caused by the sUAS. In other words, even with the liability system established, without clarified operator the damage occurred cannot determine who is responsible. According to the cases of America and Germany, they have enforced the law of registration and identification obligated to 200g or 250g sUAS. Therefore, it is necessary to prepare regulations on concrete classification and registrations to identify for noncommercial purpose sUAS as soon as possible in Korea.

A Study on the Improvement of the Logistics System for Heavy-goods Maintenance in Navy Ship (해군함정 중량형 정비품 물류체계 개선에 관한 연구)

  • Jang, Ji-Hwan;Kim, Hwan-Seong
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2020.11a
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    • pp.163-164
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    • 2020
  • Along with the increase in global volume of goods, logistics companies are trying to reduce costs by increasing the size of ships carrying cargo, increasing the efficiency of quantitative equipment at ports, and unmanned electric vehicles on land. Korean naval ports are also facing the same situation as the global trend. In the past, small and medium-sized ships such as FF, PCC, and beheaded eagles are being retired for their longevity, and their positions are being replaced by large ships such as KDX, FFG, and LST-II. In particular, large ships such as Dokdo and the next light aircraft carriers are also being prepared. Unlike general merchant ships, naval ships require periodic inspections and preventive maintenance, so repair piers such as maintenance depots are in operation. The naval maintenance depot mainly uses trailers, trucks, and truck-type cranes to carry out loading and unloading of heavy ships, and the application or development of automation and unmanned equipment performed by the private sector is inadequate, and self-improvement cases are also very weak. This study aims to improve the efficiency of the military logistics system through research on the logistics system such as transport, storage and unloading of heavy goods and maintenance products of naval ships.

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