TAP Portugal (TAP, Transportes Aéreos Portugueses) is the flag carrier airline of Portugal. It is headquartered at Lisbon Airport which also serves as its hub. TAP operates on average 2,500 flights a week to 76 destinations in 29 countries worldwide. The airline, founded on 14 March 1945 as Transportes AĆ©reos Portugueses, SGPS, S.A., began commercial services on 19 September 1946, from Lisbon to Madrid with a Douglas DC-3. On 31 December, TAP began its Linha Aérea Imperial, a twelve-stop colonial service including Luanda, Angola and Lourenço Marques (now Maputo), Mozambique. TAP dropped its original name, Transportes Aéreos Portugueses, in 1979 when the company officially changed its name to TAP Air Portugal. TAP Express is a 100% owned subsidiary. TAP is member of Star Alliance since 14 March 2005.