Maastricht Aachen Airport (also known as Vliegveld Zuid-Limburg/Beek, IATA code: MST, ICAO code: EHBK) is an international commercial airport in the municipality of Beek, about 10 kilometers northeast of Maastricht (NL) and 30 kilometers northwest of Aachen (GER). It is primarily important for air freight traffic, but is also used by low-cost and charter airlines.