@aircrashbriefs: When investigators examined the wreckage of Flight 2311, the cause became clear almost immediately: One of the propellers was found in a “flat pitch” position — an angle that should never happen in flight. They discovered that the propeller control unit (PCU) had malfunctioned. A tiny internal part wore out and jammed, causing the propeller to suddenly change pitch. This threw the aircraft into a violent roll that no pilot could recover from, not even the highly experienced captain on board. The final report concluded that the crash was caused by: • A mechanical failure in the propeller system • Poor quality control during manufacturing • Lack of proper inspection procedures After the crash, the FAA ordered major design changes to the PCU to prevent this failure from ever happening again. ⸻ #Flight2311 #AviationInvestigation #AirDisaster #PlaneStory #AviationFacts

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Monday 17 November 2025 19:52:45 GMT