{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "The purpose of this feature class is to support WSDOTÂ’s airport mapping application and general aviation planning.", "description": "A derived imaginary Obstruction Identification Surface defined by the FAA.", "summary": "The purpose of this feature class is to support WSDOTÂ’s airport mapping application and general aviation planning.", "title": "WSDOT Aviation - Obstruction Id Surface", "tags": [ "obstruction", "Aviation", "FAR Part 77", "Airfield", "airspace", "Airport", "Airport feature" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "", "licenseInfo": "Data in this layer was provided to WSDOT by third parties. It is provided to the public as courtesy for general aviation planning purposes. The information provided should not be relied upon for navigational, engineering, legal or other site-specific uses. It may not show an airport's current capabilities or configuration. Inaccuracies in the layer may be attributed to: spatial errors in data, airport construction, recent changes in airport capabilities." }