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Pilot Induced Oscillation. New pilots are often too abrupt on the controls causing an overshoot of the desired altitude or airspeed followed by hasty over correction trying to maintain a desired state. This results in a porpoise like undulation.
Avoid a PIO by applying small control inputs slowly over time. Don't "saw" the controls.
by bzrgeezer July 02, 2020
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Im pio and i might be gay but who knows also loud does not equal funny
by Mike Rotch3000 June 30, 2020
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