Aeroplex of Central Europe Aircraft Technology Center (ACE) was established in 1992 as a Lockheed - MALEV joint venture to provide reliable aircraft maintenance services. Today ACE is operating as an independent European MRO company, at Liszt Ferenc International Airport, Budapest. Our PART-145 approved station has facilities for heavy and line maintenance, major modifications of aircraft structures, systems, refurbishment of aircraft interiors, avionics installations, engineering services and component repair.