DE EN BUSINESS FIELDS & SEGMENTS Home Investor Relations Company Profile & Key Figures Business Fields & Segments Business Segments MTU Aero Engines' business activities are based on three pillars: the commercial business with the commercial OEM and spare parts businesses, the military engine business, and commercial maintenance, repair and overhaul (MRO) business. For the purposes of accounting, MTU's business activities are broken down into two segments: The first segment – the OEM (Original Equipment Manufacturing) business – comprises the commercial and military engine businesses, since they share the production, development, and miscellaneous other capacities. The second segment – the MRO (Maintenance, Repair and Overhaul) business – comprises MTU's commercial maintenance activities. The revenues are accounted for separately for each of the three main business units. All other financial key figures are shown for the two OEM and MRO business segments. MRO Business Commercial World's largest independent engine MRO provider (Maintenance, Repair and Overhaul) Exposure to highest growth engines (PW1100G, V2500, CFM56, CF34, GE90) Around 1,000 shop visits a year for 30 engine types Strong presence in Asia Read more about Commercial Maintenance, Repair and Overhaul (MRO) OEM Business Commercial Risk-and-revenue sharing partner with all major engine manufacturers (OEMs) Technological leader in low-pressure turbines, high-pressure compressors and turbine center frames Approximately 30 % of the active aircraft fleet flies with MTU components Read more about Commercial OEM and Spare-parts Business Military Development and manufacturing expertise for entire engines MTU has high program shares in all key European military programs R&D is typically customer-funded Read more about MTU´s Military Engine Business AEROREPORT KING STALLION FLEXES ITS MUSCLES OVER THE ATLANTIC AEROREPORT SMALLER JETS SEE AN UPSWING IN CARGO TRANSPORT AEROREPORT BOEING 777X – THE LARGEST TWIN-ENGINE JET IN THE WORLD AEROREPORT SPECIAL MRO SERVICES IN DEMAND AT AVIATION HOTSPOT DUBAI © 2021 MTU Aero Engines AG CONTACT IMPRINT PRIVACY STATEMENT SITEMAP COMPLIANCE PLATFORM Privacy Settings Some of them secure the basic functions. Others allow us to improve the user experience on the website. Essential Statistics ACCEPT ALL SAVE & CLOSE SELECTION Show more information Imprint | Privacy Statement