Rolls-Royce tackles high-altitude flaw affecting Global Hawk engine
Rolls-Royce acknowledges that a flaw in the AE3007 powerplant caused at least two in-flight engine shutdowns and emergency landings of the US Air Force’s RQ-4A Global Hawk.
Without getting into details, the engine maker said the cause is due to how the engine reacts to ingesting disturbed air at high altitude.
The company developed a software upgrade to improve the AE3007’s performance at high altitude after the two incidents.
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