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Engine – Rolls-Royce R.B.163 Spey 505-5

One of the first of the by-pass or turbo fan latest technology engines, the Spey entered service in April 1964 and has proved to be a sturdy, reliable and economic powerplant for both civil (Trident, BAC 1-11, Fokker F28 and Grumman Gulfstream) and military aircraft (Buccaneer, Phantom and Nimrod).

It was produced jointly by Rolls-Royce and the Allison division of General Motors USA.