File:Rolls-Royce 250-B17F turboprop engine front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
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File:Rolls-Royce 250-B17F turboprop engine left front top view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
Rolls-Royce in Asia on Twitter: "#DidYouKnow the vibration-free turbine smoothness of the #M250 turboprop can lower cabin noise levels by over 10dBA? This allows passengers and pilots to converse normally even without
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M250 turboshaft – Rolls-Royce
Rolls Royce has started tests on its new m250 turboprop ibrid engine
Rolls-Royce Signs Long-Term Contract With Jiangsu A-Star Of China | Aero-News Network
File:Rolls-Royce 250-B17F turboprop engine left front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
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