If turboprop manufacturer ATR develops its 50-seater model, the U.S. will need to build up maintenance provision for ATR aircraft, which is currently lacking.

Aircraft asset manager Airborne Capital is preparing a new partnership with maintenance provider MRO Japan to improve end-of-lease services for clients.

Germany's MTU Aero Engines has earned a rating upgrade thanks to a strong position on new engine platforms, booming services business and financial discipline.