AB 412 BELL HELICOPTER TEXTRON Inc. / Bell Helicopter Textron Inc. / MD Helicopters Inc. / MD900 SIKORSKY AIRCRAFT CORPORATION / McDonnell Douglas Helicopter Systems / Sensors & Integrated Systems / BELL HELICOPTER TEXTRON CANADA Ltd. / Airbus Helicopters Deutschland GmbH / Goodrich / AGUSTAWESTLAND S.p.A. / EC225 LP / Sikorsky Aircraft Corporation / Eurocopter Deutschland GmbH / EC 225 AIRBUS HELICOPTERS DEUTSCHLAND GmbH / Bell Helicopters Inc / EC 635 MD HELICOPTERS Inc. / /
European Aviation Safety Agency / Customer Support Division / Authority of the State of Registry / FAA AD / Certification Directorate / Authority of the State / European Union / EASA AD / / /