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Pitch drop-back is the phenomena by which an aircraft which is perturbed in flight path angle from its trim position by a step input exhibits an output which is indicative of a second order system.

A pilot who actuates an elevator input may find that the aircraft then "droops" or "drops back" to a position further toward the start position. The phenomenon is particularly marked in tilt-rotor aircraft. Pitch drop-back may be controlled using a Stability Augmentation System or Stability Control and Augmentation System.

See also

• List of aviation, avionics, aerospace and aeronautical abbreviations
• Index of aviation articles

References

1. "Longitudinal stability and control of large tilt-rotor aircraft". IFAC-PapersOnLine. 2008-10-17. Retrieved 2010-10-05.
2. Mark Voskuijl, Daniel J. Walker. "Active Control of Flight Path and Critical Loads in Tilt-Rotor Aircraft" (PDF). Engineering Department: University of Liverpool. Retrieved 5 October 2010.
3. "Measuring Simulation Fidelity through an Adaptive Pilot Model" (PDF). Retrieved 2010-10-05.

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