Jet Navigation Chart (JNC)

This collection comprises 121 items from the Jet Navigation Chart (JNC) series at 1:2,000,000 scale: 120 georeferenced raster chart sheets and one Shapefile index map serving as a spatial reference for the full sheet series. The series contains approximately 111 sheets in total and was originally published by the National Geospatial-Intelligence Agency and its predecessor organizations, including the Defense Mapping Agency and the National Imagery and Mapping Agency. According to the NOAA Central Library, the primary purpose of the Jet Navigation Chart is to support high-altitude computer assisted radar navigation/bombing by strategic aircraft, with information selected to support celestial, radar, and dead reckoning navigation. All sheets are in English and project to Lambert Conformal Conic. East View Cartographic, Inc. completed digitization, georeferencing, and electronic archiving services in 2016. The JNC series is part of the EVG Open Data Package. The format for data included with this record is predominantly raster data, but also consists of polygon data as well.