Essex County Airport, informally "Caldwell Airport", is a public use airport located in Fairfield Township, Essex County, New Jersey, two nautical miles (4 km) north of the central business district of Caldwell, a borough of northwestern Essex County in the U.S. state of New Jersey. It is owned by the Essex County Improvement Authority. This facility is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation reliever airport.HistoryIn April 1929 Essex Airport Corporation was formed by Walter Marvin and six other individuals. The intention of the company was to open an airport to serve Montclair, New Jersey, a town seven miles (11 km) away. The tract of land that Essex Airport Corporation intended for the airport was the Fairfield Dairy Company land that had also been used during World War I as a temporary airfield for the Naval Rifle Range which had been located along the Passaic River in Pine Brook. Some of the early references to airport have the designation "Marvin Airport", named after Walter Marvin.