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Safety Considerations for Operation of Different Classes of UAVs in the NAS

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dc.contributor.author Weibel, Roland E.
dc.contributor.author Hansman, R. John
dc.date.accessioned 2006-12-08T20:34:36Z
dc.date.available 2006-12-08T20:34:36Z
dc.date.issued 2004-09-20
dc.identifier.uri http://hdl.handle.net/1721.1/34955
dc.description.abstract Recognizing the significant effort underway to integrate UAV operations in the NAS, a preliminary hazard analysis was conducted for two critical hazards of UAV operation. Models were developed to describe UAV ground impact and midair collisions. Under several assumptions, a model of ground impact was used to calculate the UAV system reliability required to meet a target level of safety, for different UAV classes differentiated by mass. The model showed a significantly higher reliability required for high-mass UAVs, and a large variation in reliability required with population density, with a two order of magnitude increase over metropolitan areas. Midair collision risk was estimated in the vicinity of airways using a model of aircraft collisions based on the density of air traffic in those regions. There is a two order of magnitude difference in risk between on-airway and on-altitude operation and operation away from airways and off major flight levels. Therefore, there are potential operating strategies that can reduce the risk of UAV operation, such as procedural separation from high population and high traffic areas. There are also additional mitigation possibilities to further reduce the risk of integrating UAVs in the NAS. en
dc.format.extent 980200 bytes
dc.format.mimetype application/pdf
dc.publisher AIAA en
dc.subject UAV en
dc.subject Safety en
dc.subject Air Transportation en
dc.title Safety Considerations for Operation of Different Classes of UAVs in the NAS en
dc.type Technical Report en
dc.identifier.citation AIAA-2004-6421. AIAA’s 4th Aviation Technology, Integration and Operations (ATIO) Forum. 20 - 22 September 2004. Chicago, Illinois. en


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