In 2019, Santos Dumont Airport (SDU) completed 83 years of existence. The first civil transportation airport in Brazil was inaugurated on November 1936, while Rio de Janeiro was the Brazilian capital, two kilometers from the downtown area. To date, 29 thousand passengers are transported per day, approximately ten million per year, the second in public transportation in Rio de Janeiro, and the sixth Brazilian airport. On September 2019, SDU airport re-opened the two airport runways, closed for maintenance since August 12. Key findings pointed SDU airport important for regional flights in Rio, where Galeão International Airport (GIG) operates international flights. Also, despite the Brazilian capital has been changed from Rio to Brasilia, in 1961, SDU Airport, nevertheless, kept increasing civil transportation rates, due to its strategical location, in front of Guanabara Bay. Analysis of civil aviation in Brazil and worldwide, and discussion complete the present article.