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How US Army caused alarm in Washington skies years before fatal crashConcerns about training and equipment at the 12th Aviation Battalion were raised for years by local pilots. The US government has now accep...- Washington Air Crash: Broken altimeter, ignored warnings: Hearings reveal what went wrong in DC crash that killed 67An NTSB investigation into a fatal helicopter-airplane collision in D.C. revealed a faulty helicopter altimeter and prior warnings to the F...
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