The European planemaker said it now planned to build seven A330 wide-body jets per month from 2017, partially unwinding recent staggered cuts in output to six from 10 a month as it prepares for its new A350 jetliner.
The move to undo part of the decline of one of its two main sources of cash and profits came weeks after Iran agreed to buy 45 A330 jets as part of a $27 billion deal following the lifting of sanctions.
It contrasted with market disappointment just over a year ago when it announced plans to cut output of the 250-300 seater.
Demand for the current generation of jetliners is declining as new models enter the market. But it has gained a temporary respite from the collapse in oil prices, which have made some airlines pause investment in newer, more efficient models.
The upward revision in production of the current A330 model, known as A330ceo, could boost earnings in 2017 and bodes well for output of the current 777 model at rival Boeing, which has also just entered negotiations with Iran, analysts said.
"Given each A330ceo makes roughly 20 million euros in profit, this would represent about 5 percent more (in earnings before interest and tax)," RBC Capital Markets analyst Rob Stallard said in a note.
After several years of ballooning orders, many industry analysts have expressed concerns about the aerospace cycle due to a recent dip in overall demand and concerns over the economy.
Airbus reiterated a cautious outlook for 2015, underlining what many analysts see as a tricky, transitional year between old and new models at the two leading planemakers.
Shares in Europe's largest aerospace group were flat in early trading, slightly outperforming the broader market.
Airbus said output plans for the A350 remained challenging, and confirmed delays to its newly revamped A320neo jet, whose deliveries are to be weighted towards the second half of this year following issues with Pratt & Whitney engines.
It also signalled lingering risk with its A400M military transport plane as it negotiates with European nations over recent delays and shortfalls in capability.
Airbus Group said 2015 operating earnings before one-off items rose 2 percent to 4.13 billion euros as revenue gained 6 percent to 64.45 billion. Analysts on average predicted core profit of 4.11 billion on sales of 64.74 billion.
Airbus Group said it expected stable underlying operating profit and cash flow this year. For 2015, it posted stronger-than-expected free cash flow of 2.8 billion euros, boosted by the sale of a stake in Dassault Aviation, and hiked its dividend by 8 percent to 1.30 euros per share.
($1 = 0.9081 euros)
By: Tim Hepher and Cyril Altmeyer (Reuters).
Additional Reporting: Sarah Young.
Editing by James Regan and Jason Neely.
Review: Emerging Market Formulations &
Research Unit, Flagship Records.
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