Quatro de Fevereiro International Airport (Portuguese:Aeroporto Internacional 4 de Fevereiro), (IATA: LAD, ICAO: FNLU) is the main international airport of Angola. It is located in the southern part of the capital Luanda, situated in the Luanda Province. Quatro de Fevereiro means 4 February, which is an important national holiday in Angola, marking the start of the armed struggle against the Portuguese colonial regime on 4 February 1961. In 2009, about 1.8 million passengers were counted.