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Wrong Worry in Twins Versus Singles

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Gemini Sparkle

Key Takeaways:

  • Historically, piston twins were mistakenly considered inherently safer than singles, leading to lax training and lower insurance premiums; however, *Flying* magazine, through Dick Collins, revealed that twins actually had higher fatal accident rates after engine failure, primarily due to dangerous training practices.
  • While the industry eventually acknowledged these flaws and improved training, leading to a brief period of accurate understanding, the pendulum has now swung too far. Piston twins are currently unfairly "demonized" with excessive insurance costs and demands, despite their overall accident rates being comparable to high-performance singles and their unique utility for performance.
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Piston twins are demonized by insurance companies and most general aviation pilots, and Flying magazine is responsible for the situation. Well, we are to blame for calling attention to the potential safety problems with twins, but our information has been misunderstood and certainly misapplied by many involved in general aviation. We have it right, and the insurance companies and most pilots have it wrong.

Dick Collins gets the credit for beginning and sustaining our crusade to inform pilots about the safety aspects of piston twins versus singles. Dick started his work on getting the facts out in the 1960s when the situation was reversed and commonly held attitudes about twins were wrong, but just the opposite of now. Back then the entire industry just knew that a piston twin was absolutely and automatically safer than a single.

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