Abnormals

Wednesday, October 23, 2013 at 12:00 AM ET

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Key Takeaways:

Many in-flight emergencies aren't covered by standard checklists, requiring pilots to rely on a deep understanding of aircraft systems, their failure modes, and adaptable problem-solving.
For partial engine failures, pilots should diagnose issues related to fuel, air, or spark using cockpit tools like engine monitors, performing in-flight mag checks, applying carb heat, or manipulating fuel flow and engine controls.
The article also provides guidance for managing control system malfunctions (e.g., jammed controls, split flaps) and partial landing gear extensions, emphasizing safe landing strategies and the importance of professional maintenance after any incident.

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Things can go “bump” in the night. Daytime, too. Most of them either have been considered before or encountered by someone, resulting in a section of your AFM/POH labeled “Emergency Procedures.”
But not everything that can happen is covered there: Pilots are constantly inventing new ways to screw up, and the aircraft themselves can present something new and different, or at least something that appears new and different, especially as they age. The bad news is there’s no checklist to cover everything that can go wrong. The good news? Some portion or combination of checklists might get you through. The better news? A solid understanding of how the aircraft’s systems work and their various failure modes provides you an excellent chance to get home.