FS2004 Scenery Linden Airport (IATA: LDJ, ICAO: KLDJ), also known as Linden Municipal Airport, is a little general aviation airport located along US 1&9 in Linden, a city in Union County, New Jersey, southwest of New York City. This airport is publicly owned by City of Linden. Linden Airport covers 188 acres and has one runway. This is version 3, a more authentic rendering of the airport. Created with EZ Scenery. EZ libraries required. By John B. Loney, Jr.