 A reception to celebrate the completion of the first painted aircraft with the JAL Group new design was held at the JAS M2 hangar.In April 2005, McDonnell Douglas MD-81 was introduced to the airline fleet, the aircraft has an all Economy Class configuration with 163 seats.JAL Express became an affiliate member of Oneworld on April 1, 2007, together with four of its sister airlines, in the alliance's biggest expansion in its young history.