In the early 1950s its routes were Paris - Tunis - Damascus - Karachi - Bangkok - Saigon - Hanoi, Paris - Algiers - Fort Lamy - Douala - Brazzaville - Tananarive, Paris - Casablanca - Bamako - Abidjan, and Paris - Casablanca - Bamako - Dakar. By 1957 the route continued beyond Saigon to Darwin, Brisbane, Noumea, and Auckland. As the airport for Tahiti began construction, T.A.I. began to fly to Bora Bora on the Society Islands in French Polynesia in 1958. Until the Papeete Airport in Tahiti airport opened in 1960, the island was served by TAI Short Solentflying boats. In the late 1950s the airline flew the Sud-Est Armagnac, a French manufactured airliner, as well as Douglas DC-4s and Douglas DC-6s with these aircraft having a light green livery with white cabin top and fin. They bought their first Douglas DC-8 jet airliners during 1960. The company extended its service to Jakarta in Indonesia. The livery changed to an attractive yellow, green, and black striped tail with "T.A.I." on it, and a green stripe down the fuselage. The February 1959 Official Airline Guide lists eleven departures a week from Paris Orly Airport: seven DC-6Bs to mainland Africa, two to Tananarive, one to Auckland and one DC-7C to Djakarta. In 1960, the airline was serving the Bora Bora Airport in French Polynesia with Douglas DC-7C flights nonstop to Honolulu with continuing, no change of plane service to Los Angeles and was also operating direct DC-7C service between Bora Bora and Noumea via a stop in Nandi. Millions of revenue passenger-kilometers, scheduled flights only: 300 in 1957 and 369 in 1960. According to its 1 April 1963 system timetable, the airline was operating Douglas DC-8 jet service on a number of international routes including Paris Orly Airport - Athens - Teheran - Karachi - Rangoon - Phnom Penh - Jakarta; Paris Orly Airport - Athens - Beirut - Karachi - Bangkok - Saigon - Darwin - Sydney - Noumea; Paris Orly Airport - Marseille - Athens - Djibouti - Tananarive; Paris Orly Airport - Marseille - Bamako - Ouagadougou - Abidjan and Paris Orly Airport - Marseille - Niamey - Abidjan as well as Noumea - Nandi - Papeete, Tahiti - Los Angeles and Papeete, Tahiti - Honolulu. This same timetable also lists Douglas DC-6B propliner service between Paris Orly Airport, Marseille, Bamako, Ouagadougou and Abidjan as well as regional service in the Pacific flown with Douglas DC-4 propliners linking Noumea with Auckland, Port Vila, Espiritu Santo, Wallis Island and Papeete, Tahiti.
On 6 January 1947, Amiot AAC.1 F-BBYK struck Mont Ventoux in Provence in poor weather while operating a cargo flight; all three crew on board survived, but the aircraft was written off.
