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If an F-16 pilot pushes the stick forward hard enough to send the aircraft into negative-G flight, does the jet tend to accentuate the new flightpath, requiring the pilot to counter that, or not?

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The F-16 is unstable at low speeds, and stable at higher Mach numbers. It has a flight control computer though, which stabilizes the aircraft using the feedback from pitch rate (so from the view of the pilot an F-16 acts similarly as a stable aircraft). This applies to both positive and negative attitude disturbances, so for both + and - G loads perceived by the pilot.

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  • $\begingroup$ Thanks ,this instability translate into the quick response in pitch up and down or only up ,this is my question ?Your answer is accepted. $\endgroup$ – George Geo Nov 30 '19 at 15:14
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    $\begingroup$ The stability of the aircraft depends one the derivatives of state variables (velocities and rates). In a normal flight regime (not near stall) these are continuous functions, so the (in)stability will work "both ways". Here you can learn more about the flight dynamics of the F-16: home.sch.bme.hu/~xtrykyx/diplomaterv/Egyeb/F16Manual.pdf $\endgroup$ – onodip Nov 30 '19 at 16:33
  • $\begingroup$ Thank you for your time. $\endgroup$ – George Geo Nov 30 '19 at 16:34

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