Established in 1951, Japan Airlines (JAL) became the official flag carrier two years later, and is a member of the Oneworld airline alliance. In 2009, it suffered steep financial losses despite being Asia’s largest airline by revenue, and cut staff and routes to prune expenses. However, it was forced to file for bankruptcy protection in January 2010, after losses of nearly ¥100 billion in a single quarter. JAL emerged from bankruptcy in March 2011, and in September 2012 JAL shares resumed trading on the Tokyo stock Exchange.