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Why Can’t We Solve VFR Into IMC?

No matter what the forecast says, the view out the windscreen is what counts. Anastaysia Fursova/Getty
Gemini Sparkle

Key Takeaways:

  • VFR into IMC is a leading cause of fatal general aviation accidents, frequently linked to specific risk factors such as passengers, night flying, mountains, and longer flights.
  • Effective prevention requires a "big picture" approach to preflight weather analysis, realistic inflight decision-making using "circuit breakers," and leveraging modern tools like datalink weather.
  • For inadvertent IMC entry, contemporary aircraft technology—including advanced attitude indicators, GPS, terrain alerts, and autopilots—provides significantly enhanced recovery capabilities.
  • A crucial long-term solution involves updating pilot training to include exposure to marginal VFR, practical application of new technologies, and fostering continuous learning beyond initial certification.
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Continued VFR into IMC is the scourge of general ­aviation. Year after year, it is a leading cause of fatal accidents—almost four times deadlier than encounters with thunderstorms and icing combined. If anything, these numbers underestimate the problem, since many “­successful” VFR-into-IMC flights never show up in the National Transportation Safety Board statistics, but instead only in the lucky pilots’ nightmares.

John Zimmerman

John Zimmerman grew up in the back of small airplanes and moved to the front at age 16. He flies a Pilatus PC-12 and a Robinson R44.

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