『Hidden Ice and the Deadly Patch』のカバーアート

Hidden Ice and the Deadly Patch

Hidden Ice and the Deadly Patch

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Recounts two major aviation disasters, each revealing how hidden structural problems or extreme environmental conditions can overwhelm even well-trained crews.
The first case describes the crash of American Eagle Flight 4184 in Roselawn, Indiana. While descending in freezing rain, the ATR 72 encountered supercooled large droplets that formed ice beyond the protection of its de-icing boots. This created an ice ridge on the wings that disrupted airflow, triggered a sudden aerodynamic stall, and sent the aircraft rolling uncontrollably toward the ground.
The second case focuses on China Airlines Flight 611, a Boeing 747 that broke apart in midair. Investigators discovered that the aircraft carried a fatigue crack that had been growing for more than two decades. It originated from an improperly repaired tail strike, where an incorrect metal patch was installed and the true extent of the damage was never properly documented. Over time, the weakened structure finally failed, causing the aircraft to disintegrate during flight.
Both investigations relied on detailed forensic analysis to uncover the root causes, leading to major improvements in icing-related flight procedures, structural inspection requirements, and long-term maintenance standards across the aviation industry.


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https://www.podcaistudio.com/
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