LOTAR is an international consortium to develop and maintain standards for long-term archiving (LTA) of 3D CAD data. These standards define archiving and retrieval processes. The documents for the standard are published as the EN 9300 series and NAS 9300 series (National Aerospace Standard).
LOTAR members are Airbus, BAE Systems, Boeing, Dassault Aviation, EADS, Eurocopter, General Dynamics, Goodrich, IAI, Lockheed Martin, SAFRAN, Sandia, and Spirit.