Airbus has confirmed it will take more time to decide on whether to revamp the engines of the A380 as requested by Emirates.
Dubai-based Emirates, which has 140 A380s on order, has been pushing for more fuel efficient engines on the aircraft.
Fabrice Bregier, Airbus chief executive, told French newspaper Les Echos: "Long-term, the question will be how to improve its performance by working on aerodynamics and motorisation. But we will not do that until a good business plan can be found. That is not the case now and we have no intention to spend indiscriminately."
Bregier also said Airbus has no plans to abandon the A380 despite slow sales and that he expects the aircraft to break even by the end of 2015.