1 billion rupees in 2011, up from a group net loss of 6.03 billion rupees in 2010, a budget carrier has lost 455 million rupees, official data shows.
SriLankan Airlines' revenues had grown 16.3 percent to 78.9 billion rupees in 2011, but operating expenses had risen 32.2 percent to 98 billion rupees, the Central Bank's annual report said.
Sri Lankan Airlines has made large losses ever since a management contract with Dubai-based Emirates Airlines ended over a dispute triggered involving offloading paying passengers to accommodate an official delegation in 2008.
SriLankan group last made profits of 4,889 rupees in 2008. In 2009, the airline lost 9,996.
5 million rupees and in 2010 it lost 6,034.2 million rupees.
The group losses came despite it having lucrative ground handling and catering monopolies at Sri Lanka's main international airport.
Mihin Lanka, a state budget airline that is now jointly managed with SriLankan which has made losses since its inception, had made an operating loss of 455 million rupees, down from an operating loss of 788 million a year earlier.
The current administration has committed to injecting 100 m