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Aviation Knowledge Quiz
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If a pilot suspects that the engine (with a fixed-pitch propeller) is detonating during climb-out after takeoff, the initial corrective action to take would be to
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A
lower the nose slightly to increase airspeed.
💡 Explanation:
Detonation occurs due to excessive cylinder temperatures and pressures. Lowering the nose increases airspeed, which provides improved cooling airflow to the engine - this is the immediate priority. Leaning the mixture (A) could worsen detonation, carb heat (C) is for carb ice, and reducing throttle (D) addresses power but not the immediate cooling need.