flight safety detectives episode 159 - loss of control of structural flight breakup?

The crash of a Pilatus PC-12 this February 24 killed all five aboard. John Goglia and Greg Feith use their investigation prowess to examine whether the air crash was caused by pilot loss of control or structural inflight breakup that led to loss of control.

Greg and John discuss the preliminary NTSB accident report and analyze ADS-B data from the flight. They review the facts that show why this accident is likely more than a case of spatial disorientation.

The crash was the third fatal accident for air ambulance provider Guardian Flight. Investigators will need to get a true picture of the event through data and weather analysis, examination of the wreckage, and detailing the sequence of events starting well before takeoff.

Greg walks through ADS-B data that indicates the initial climb initially appeared normal. At about 18,000 feet, the speeds and heading diverge from normal. Soon after, the plane goes into a spiraling pattern. The data will need to be correlated with the physical evidence collected to create an accurate scenario.
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“Looking at the data threw up red flags for me. We need the facts, conditions and circumstances to properly analyze what happened,” Greg says.

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