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Do You Know Ice?

Februarys Cowboy and Cowards sparked some passionate responses about known icing and my assertion that known icing is observed icing. To better understand known icing, we need to look at the concept from definitional, legal, and safety perspectives.

Gemini Sparkle

Key Takeaways:

  • "Known icing" primarily refers to observed ice accretion on an aircraft or detected atmospheric conditions, distinguishing it from merely forecast or potential icing which are probabilities, not certainties.
  • Legally, enforcement actions for flight into known icing typically arise when a pilot fails to take appropriate action (e.g., implement an exit strategy) after actually observing or being informed of ice formation, rather than solely based on flying into forecast icing conditions.
  • Pilots are advised to conduct thorough pre-flight planning, account for potential icing forecasts, and have alternative strategies ready to implement should potential icing conditions become observed (known) in flight.
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Adam Carr

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