The plans were for all three engine types to enter service with 90-minute approval, before increasing to 120 minutes after the total A330 fleet accumulated 25,000 flight hours, and then to 180 minutes after 50,000 flight hours, in 1995.
Os plans eran que os tres motores entrasen en servizo cunha aprobación de 90 minutos, antes de incrementarse ata os 120 minutes despois de que a frota de A330 acumulase 25 000 horas de voo, e despois aos 180 minutos despois de 50 000 in 1995.