Japanese low-cost carrier Peach Aviation is targeting to have a fleet of at least 20 aircraft by 2016.
The carrier, which started operations last March, operates a fleet of seven Airbus A320s and will receive another four aircraft by year-end, says its chief commercial officer Luke Lovegrove.
By 2015, it will have 17 aircraft in its fleet.
"We've expressed interest in the A320neo and some kind of decision needs to be made probably in the next 18 months," says Lovegrove.
He adds that the carrier will "grow aggressively", not merely because two other competitors - AirAsia Japan and Jetstar Japan - entered the low-cost market last year, but also because it has stimulated the market and generated new traffic.
Peach's passenger throughput hit 1 million last November after nine months of operations.