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File:Rolls-Royce 250-B17F turboprop engine left front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
Rolls Royce Successfully Tested A Hybrid Engine In Helicopters And It Might Just Be The Future Of Aviation
Engine Modules for M250 Rolls-Royce (Allison) Gas Turbine Engines
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File:Rolls-Royce 250-B17F turboprop engine left rear view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
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Allison Model 250 - Wikipedia
17 Years of Rolls-Royce 250-C47M Engines | Air Services Int'l., LLC
File:Rolls-Royce 250-B17F turboprop engine front view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
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The Little Engine That Did - Vertical Mag
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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
File:Rolls-Royce 250-B17F turboprop engine left side view at JASDF Gifu Air Base November 19, 2017.jpg - Wikimedia Commons
Rolls Royce 250 | Precision Fuel Components, LLC.
Soloy Offers Rolls-Royce 250 Air Inlet Repair | Business Aviation News: Aviation International News
