The Cobra Manouvre, also known as Pugachev's Cobra or Pugachev Cobra is a very spectacular, dramatic and demanding aerobatics maneuver in which an aircraft flown at a moderate speed suddenly raises its nose to the vertical position - and beyond - before dropping the nose back to horizontal flight. The aircraft reaches 90–120° angle of attack during the Cobra.
The Cobra manoeuvre is named after the Soviet test pilot Viktor Pugachyov, who first performed the Cobra maneuver publicly in 1989 at
آی-ویدئو