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Ungoverned Propellers

Gemini Sparkle

Key Takeaways:

  • Propeller governor malfunctions were a common issue across various aircraft types, leading to diverse propulsion system anomalies.
  • Reported problems included propellers failing to unfeather, sudden RPM drops, propeller overspeed, and abnormal control forces in the beta range.
  • In all operational cases, replacing the faulty propeller governor successfully resolved the reported discrepancies.
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Beech 300 King Air

No Unfeather Ability

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