I’ve been flying for 30 years and never experienced a hiccup from an airplane engine while airborne. That changed a few minutes into a recent flight. This story can’t rival a sudden engine stoppage and forced landing—it’s a story of an engine that seemed on its way to quitting—but I hope it provides some useful lessons.
Detonation Grounds a Mooney
Key Takeaways:
- A pilot experienced severe engine roughness mid-flight, prompting an immediate Mayday call and a diversion to the nearest airport, utilizing a moving-map display for quick navigation.
- The engine recovered after the pilot pushed the mixture full rich and identified an overheated cylinder via the engine monitor, highlighting the importance of swift action and diagnostic tools.
- Despite the engine's recovery, a precautionary landing was made, revealing a cracked spark plug and suspected fuel injector obstruction, reinforcing the lesson to always land for inspection rather than proceed.
- The incident underscores the critical value of engine monitors, readily available moving-map displays, and the importance of not hesitating to declare an emergency or make a precautionary landing.
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