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Turning The Prop

I frequently glance at sidebars to gauge the depth/value of an article before reading the piece itself. As a round-engine pilot, I got a chuckle out of the first item in the “Don’ts” list (“Preflight Inspections,” November 2011). “Don’t rotate a propeller. Ever.” Really? If you are talking about a round engine and you want to destroy it, that advice works. If not, you might want to check for hydraulic lock by rotating the propeller enough to make sure all cylinders go through at least one compression stroke before you attempt a start.

Gemini Sparkle

Key Takeaways:

  • Pre-flight procedures, like propeller rotation, must be tailored to specific engine types (e.g., round vs. flat engines) to avoid damage or ensure critical safety checks like hydraulic lock.
  • Consistent and regular practice of engine-out approaches is crucial for pilots to develop the proficiency and judgment needed for safe emergency landings.
  • Effective risk management requires a fundamental shift in pilot mindset, distinguishing between inherent and operational risks, and assuming danger unless actively and properly managed.
  • Risk assessment is highly individual, influenced by personality, experience, and judgment, suggesting that training must address these inner thought processes beyond just empirical exercises.
See a mistake? Contact us.

I frequently glance at sidebars to gauge the depth/value of an article before reading the piece itself. As a round-engine pilot, I got a chuckle out of the first item in the “Don’ts” list (“Preflight Inspections,” November 2011). “Don’t rotate a propeller. Ever.” Really? If you are talking about a round engine and you want to destroy it, that advice works. If not, you might want to check for hydraulic lock by rotating the propeller enough to make sure all cylinders go through at least one compression stroke before you attempt a start.

Ernie Betancourt,
Via e-mail

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