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planenut · 23rd June 2022, 22:27

The engines fitted to Tridents were Rolls Royce Speys, and the noise abatement restrictions are still in force today, though all engines are quieter.

23rd June 2022, 22:27	#13
planenut Regional Secretary Rover 1.8T Tourer Join Date: May 2007 Location: Heathrow Posts: 6,948 Thanks: 1,551 Thanked 2,036 Times in 1,264 Posts	The engines fitted to Tridents were Rolls Royce Speys, and the noise abatement restrictions are still in force today, though all engines are quieter.