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Thu, Dec 16, 2004

NTSB Safety Recommendations: Rolls-Royce Model 250 Engine

The National Transportation Safety Board recommends that the Federal Aviation Administration:

Conduct a review of the emergency procedure training for pilots of helicopters equipped with the Rolls-Royce Model 250 series IV engine to evaluate pilots propensity to take inappropriate action in response to an in-flight failure of the full authority digital electronic control (FADEC) system and require any necessary changes to emergency procedures and training to better prepare pilots to cope with in-flight FADEC failures. (A-04-68)

Require Rolls Royce to modify the Model 250 series IV engine control system so that backup engine control is available immediately following loss of primary full authority digital electronic control function and such that the backup system does not impose undue workload on the pilot. (A-04-69)

FMI: www.ntsb.gov


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