OCCAR News 22. March 2019 ESSOR Architecture published The ESSOR PSs decided to publish the ESSOR Architecture, to allow the global SDR community to benefit from the expertise achieved in ten years of development, and to use it as a building block of future interoperable SDR applications. 30. September 2013 First A400M Official Delivery Ceremony held in Seville Seville, 30th September 2013: In a spectacular ceremony held at the A400M Final Assembly Line in Seville, the first production A400M was officially delivered to the French Air Force. 01. August 2013 A400M First Aircraft Delivery On the 1st August 2013 OCCAR-EA completed the acceptance and delivery of the first production A400M aircraft on behalf of the lead Nation France. 06. March 2013 First production A400M makes maiden flight The first production A400M new generation airlifter made its maiden flight on 6 March 2013, marking a key milestone towards its delivery to the French Air Force.