More than 100 years ago, Sacadura Cabral and Gago Coutinho revolutionized air navigation technology by making the first South Atlantic connection between March 30 and June 17, 1922, connecting Lisbon to Rio de Janeiro. We follow Portuguese aviation pioneers Gago Coutinho and Sacadura Cabral in their fearless race to cross the South Atlantic, driven by a strong spirit of adventure, challenging the limits of human endeavour as they navigated unknown skies. His scientific achievements and innovations in astronomical navigation revealed the way to other planets in the universe.