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31 CHAPTER SEVEN SUMMARY OF DATA GAPS AND CURRENT AGENCY PROGRAMS The following is a summary of data gaps and current agency The guidance could represent a useful tool in directing projects programs. to locations where aviation safety risks can be minimized. The DoD's screening tool is a good example of siting guidance that could be applied to other technologies. DATA GAPS In reviewing the existing knowledge base for investigating Assessment of Risk and Development of Adaptation safety impacts of energy technologies on aviation, the fol- lowing data gaps have been identified. Filling these gaps will Using the information provided in this report as well as the increase the knowledge base and improve the understanding additional data needs identified, produce a risk assessment of of the issue. These data are not necessarily exclusive nor are energy technologies on airports and aviation. Provide a sys- they listed in any area of priority. tematic analysis of how each energy technology is altering avi- ation activities and describe the potential consequences of the alteration on the aviation community. In addition, identify how Comprehensive Inventory of Facilities aviation can adapt to the changing energy landscape. Prepare a comprehensive inventory of energy facilities. If the inventory was stored in a geographic information system Assessment of Cumulative Impacts database it could include information on each facility from technology type to aviation hazards identified. The database Existing information on the potential cumulative impacts of would form a baseline knowledge tool useful for supporting new energy projects is inadequate. There was some reference planning and cumulative impact assessment. to cumulative impacts assessment in relation to the number of wind turbine generators proposed in specific geographic areas of the country (e.g., Columbia River Watershed). However, Survey of Pilots no metrics for measuring cumulative impacts were identified. This would be a useful tool for future research. Conduct a survey of pilots focused on airports where energy facilities are located. Collect experiential information about their knowledge of energy facilities, how they are impacted, Development of Glare Assessment Tools and details of specific incidences that could contribute to the The Sandia National Laboratories has undertaken some studies current knowledge base. to assess the impact from concentrating solar power (see Fig- ure 22). However, practical tools for modeling and predict- Assessment of Aircraft Accidents ing glare still need to be developed. The glare assessment tools and Potential Energy Connection may be able to quantify what a glare event is, when it will occur, and the consequences of exposure. This would provide an ana- Conduct a thorough study of accident reports filed with the lytical tool for future projects that is consistent with existing NTSB to identify conditions associated with accidents and if experiences. there was an energy issue. Follow up the document search with phone inquiries to identify information beyond that reported in Field Data Collection on Thermal Plume Turbulence the formal report. The current knowledge provides some suggestions on how Identification of Siting and Planning Guidance far above an energy facility an aircraft should stay to avoid thermal plume turbulence. The height is based on modeling Based in part on information presented in this report, as well that predicts the velocity of the thermal updraft maintaining as follow-up review and discussion with stakeholders, develop a rate of 4.3 m/s or more. However, the impact metric is based siting and planning guidance for various energy technologies. on a value used in Australia. Field data on the velocity of a