MRH 90s still grounded

written by australianaviation.com.au | July 11, 2010
photo - CPL Rodney Welch/Army

The ADF’s current fleet of MRH 90 helicopters remains grounded nearly three months after an aircraft experienced a catastrophic engine failure near RAAF Edinburgh on April 20.

“MRH 90 flying operations are suspended whilst the investigation into the cause of the engine failure continues,” a Defence spokesperson told Australian Aviation on July 8. “An Aircraft Incident Investigation Team has been investigating the incident with support provided by the DSTO, the engine manufacturer (Rolls-Royce Turbomeca) and the aircraft manufacturers (NHI and Australian Aerospace). This is a complex investigation, and the precise cause of the failure has not yet been identified. Detailed investigation and analysis are continuing.”

The engine failure occurred during a deployment to Edinburgh of several aircraft and crews as part of the training and aircraft service development process.

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RTM322 engines also power European NH90s, as well as AW101s (EH 101) operated by several nations and WAH-64 Apaches as used by the British Army, but none of these aircraft have been grounded.

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