General Atomics AeroTec Systems GmbH (GA-ATS) is the result of the acquisition of RUAG Aerospace Services GmbH and focuses on the maintenance and repair of business jets and military helicopters as well as the production and maintenance of the Dornier 228 at the Oberpfaffenhofen site with approximately 400 employees. General Atomics AeroTec Systems GmbH is a subsidiary of General Atomics Europe GmbH.