Maastricht Aachen Airport (IATA: MST, ICAO: EHBK) is a regional airport in Beek, Limburg, Netherlands, located 5 NM (9.3 km; 5.8 mi) northeast of Maastricht and 15 NM (28 km; 17 mi) northwest of Aachen, Germany. It is the second-largest hub for cargo flights in the Netherlands. As of 2016, the airport had a passenger throughput of 176,000 and handled 60,000 tons of cargo. The Maastricht Upper Area Control Centre (MUAC) of the European Organization for the Safety of Air Navigation (EUROCONTROL) is also located at the airport.