The new postwar Aéromaritime continued under the wing of UAT until the rise of African nationalism required the creation of a more user-friendly Air Afrique, and other local companies.

In September 1954 the first of a fleet of Nord Noratlas aircraft was put into service and in 1955 the Douglas DC-6 replaced the Comets after their problems with BOAC.

[3] UAT ran services under contract to the International Control Commission, linking Saigon, Phnom Penh, Vientiane and Hanoi, with: F-BELU, F-BELX & F-BHHR.

The February 1959 OAG shows 14 DC-6Bs a week out of Le Bourget bound for Tripoli, Johannesburg and other African cities.

[6] On 29 March 1959, a Nord Noratlas of UAT (F-BGZB) exploded in midair on a flight between Berbérati and Bangui, killing all nine onboard, including Barthélemy Boganda, the prime minister of the Central African Republic autonomous territory (the future Central African Republic.