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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:

  • Despite decades of focus, VFR into IMC remains a leading cause of fatal general aviation accidents, often exacerbated by specific risk factors like passengers, night flying, mountainous terrain, and longer flights.
  • Prevention strategies should emphasize a "big picture" approach to preflight weather planning, ruthless realism in decision-making, and utilizing inflight "circuit breakers" and modern datalink weather for situational awareness and identifying "outs."
  • Modern technology, including autopilots, synthetic vision, and GPS, significantly enhances a VFR pilot's ability to recover from inadvertent IMC, but effective use requires updated training that exposes pilots to marginal VFR conditions and incorporates recurrent instrument practice.
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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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