D.C. Office of the Chief Technology OfficerHeliport locations. The dataset contains locations and attributes of DC Heliports, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. The National Transportation Atlas Database (NTAD) provided by the Bureau of Transportation Statistics, US Department of Transportation identified DC Heliport and Airport locations.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/bf4930a6901f47b69bc3e9c2a9165334_1engOpen Data DCPublicHeliports [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2018-04-27