OCCAR News 13. June 2019 A400M Global Rebaselining Signature The A400M Partner Nations have agreed a cost neutral arrangement with Airbus that will stabilize and re-baseline the main A400M Development & Production Programme contract. 11. December 2009 A400M made his first flight The first flight of the MSN001, which is the first prototype of the A400M aircraft, has taken place in Seville (Spain) on Friday 11 December 2009.