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Geospatial Electronic Airport Obstruction Chart (eAOC)
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The eAOC is a collection of geospatial data that has been determined to be relevant to air transportation on and near airports. Several techniques are used in obtaining these data, including ground survey, remote sensing , manual entry or calculated values. The types of information typically collected consist of reference data including runway and navaid information, data relating to imaginary surfaces that define safe altitudes for approaches and landings (Obstruction Identification Surfaces or OIS as specified in the FAA’s Federal Aviation Regulations Part 77) including obstacle and obstructing areas, layout of an airport including aircraft movement areas, and features found at and near an airport of landmark value.
LDEQ Geographic Information Systems
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The Louisiana Department of Environmental Quality (LDEQ) has had a department-wide Geographical Information System (GIS) in place since 1994. The GIS Center provides support to all GIS users within LDEQ and constructs maps as requested by LDEQ personnel. The Center also maintains and develops GIS data sets for agency mapping requirements.
Louisiana Geographic Information Systems Council
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The Louisiana Geographic Information Systems Council (LGISC) was created by the state Legislature in 1995 to: "eliminate duplication of effort and unnecessary redundancy in data collections and systems and to provide for integration of geographically-related data bases to facilitate the policy and planning purposes of the state of Louisiana."
