The Utility Myth

Not a winter goes by without someone sending me an e-mail that includes the sentence, “You aren’t really suggesting I don’t fly my airplane in IMC in the winter?” It’s usually from the pilot of a very capable piston single or light twin that is not certificated for flight in icing conditions; often the pilot includes something like, “I live in the Great Lakes and we get icing a large part of the year.” Sometimes I get a similar question about passenger and baggage loads. “The engineers at [insert airplane manufacturer name here] wouldn’t have designed the airplane with six seats if it couldn’t carry six adults, or at least four adults and two kids. Do you really mean I can’t fill the seats and the fuel tanks?” A current trend is questions about synthetic vision systems in glass cockpit panels or cutting-edge heads-up displays. “With an essentially VFR depiction of the runway, I can make a zero-zero takeoff and even a zero-zero landing ‘if I have to’, can’t I?”

Key Takeaways:

• General aviation pilots often dangerously exceed their aircraft's certified limits (e.g., in icing conditions, payload, or advanced avionics use) due to a pervasive "Myth of Utility."
• This myth is fueled by aggressive marketing, pilots' economic justifications for high aircraft ownership costs, and personal ego, leading to the expectation that an airplane can fulfill all maximum capabilities simultaneously.
• For safety, pilots must acknowledge that every flight involves trade-offs, requiring them to prioritize a specific utility and strictly adhere to the aircraft's operational limitations, rather than succumbing to marketing hype or personal desires.

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