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CS-E 590  Starter Systems

ED Decision 2003/9/RM

Where the starter is declared as part of the Engine, its design, and that of its associated drive mechanism, must be such that over-speeding of the starter, to an extent which could result in a Hazardous Engine Effect, cannot occur under any Fault conditions in the Engine which cannot be classified as Extremely Remote. The possibility of the starter remaining connected, or subsequently becoming reconnected, to the Engine resulting from any Failure of the drive system must be considered. Where in showing compliance with this paragraph, dependence is placed on safety provisions to be provided as part of the installation, the need for such provisions must be declared.