In 1972, the A300 flew for the first time. The first type of A300 to be made, the A300B2, began to be used by airlines in 1974. The A300B4 began to be used one year later. At first, Airbus Industrie did not sell many planes. However, by 1979, 81 aircraft were being used. It was the A320 which made Airbus the very big company that it is today.