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Update: A pilot at my hangar in Mesa told me something about autopilot that stuck with me

We were talking about a recent squawk on a G1000 system, and he said, 'You guys fix the magic, but you also have to trust we know when it's lying.' He meant that even when the box says it's fine, a pilot might feel something is off. It made me rethink how I explain my troubleshooting steps to the flight crew. Has anyone else had a pilot's gut feeling point you toward a problem the diagnostics missed?
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3 Comments
ruby_wright
Wait, are we talking about the G1000 autopilot or the whole system? That quote is spot on, but the magic is in the whole stack, not just the autopilot box. A weird feeling could come from the servos or even the trim, stuff the box might not flag right away. I always ask pilots to describe the feeling, not just trust the green light.
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the_oliver
Had a King Air pilot last month describe a "mushy" feeling in the roll axis, like the plane was tired. All the annunciators were green. Turned out to be a single frayed wire in the aileron trim circuit, something the box would never see. Ruby_wright is right, you have to listen to the airplane talking.
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eric_adams11
My uncle flew cargo planes for years and always said the seat of your pants is the first instrument that needs calibration. He had a rudder pedal that just felt "thick" during preflight, like pushing through wet sand. Maintenance ran the checks twice and found nothing, but he refused the plane. They finally pulled the floor panels and found a hydraulic line slowly weeping fluid right above the pedal assembly.
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