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This document provides a table of contents and overview of key components for a Rolls-Royce M250-C47E/4 turboshaft engine system used in Bell 407GXi helicopters. It describes the engine, electronic engine controls, ignition system, air system, and FADEC control. Sections cover the engine components, electronic engine control units, power lever angle sensor, ignition system, engine air system, small gas turbine FADEC, engine start schematic, warnings and cautions, diagnostics pages, and rigging checks. (责任编辑：) |