The RTM 322 powers the three-engine AgustaWestland AW101 Merlin military helicopter, and two twin-engine military helicopters, the NH Industries NH 90 and the GKN Westland WAH-64D Longbow Apache (under license from Boeing).
The RTM 322 was developed and is produced by Rolls-Royce Turbomeca Ltd, a joint subsidiary of Turbomeca and Rolls-Royce. The turboshaft was initially designed to deliver 1,566 kW (2,100 shaft horse power) at takeoff.














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