With the obsolescence of the original cruise engine of the Canadian Navy DDH 280 Class Destroyers, it became necessary to find and fit a new cruise engine. The Allison 570KF engine was selected and installed during the half life refit and modernisation of the ship class. In addition to the engine replacement there were many changes to the support equipment which have had a large influence on the new installation.

This paper describes the first phase of the set to work and trials of the new installation and the difficulties encountered. Two ships are now at sea and undergoing extensive system trials as they carry out their Naval duties.

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