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Berlin Airlift; its first flight was operated on 6 July 1959. Rio de Janeiro<unk>Santos Dumont and Congonhas Airports and comprised regular departures, usually every half hour, a common check-in counter and simplified tickets and formalities. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Sadia, later known as Transbrasil, joined the partnership in 1968. In 1999, the service was discontinued, as more competitive economic times made airlines decide to operate their services independently on that route.