Artur de Sacadura Freire Cabral, GCTE (23 May 1881 – 15 November 1924), known simply as Sacadura Cabral (Portuguese pronunciation: [sɐkɐˈduɾɐ kɐˈbɾaɫ]), was a Portuguese aviation pioneer. He, together with fellow aviator Gago Coutinho, conducted the first flight across the South Atlantic Ocean in 1922, and also the first using only astronomical navigation, from Lisbon, Portugal, to Rio de Janeiro, Brazil.