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The head-up illusion involves a sudden forward linear acceleration during level flight where the pilot perceives the illusion that the nose of the aircraft is pitching up. The pilot's response to this illusion would be to push the yoke or the stick forward to pitch the nose of the aircraft down.
The leans is a type of vestibular illusion in flight which causes spatial disorientation. The process involves the semicircular canals of the vestibular system. The semicircular canals detect angular acceleration. In total, there are three semicircular canals: the anterior, posterior, and lateral canals.
The Inversion Illusion results from a steep ascent followed by a sudden return to level flight; the resulting relative increase in forward speed produces an illusion the aircraft is inverted. [8] The Head-Up and Head-Down illusions are similar, involving sudden linear acceleration (Head-Up) or deceleration (Head-Down), leading to a ...
The NTSB concluded that the aircraft was likely flying in IMC without the ground visible when the go-around mode was actuated, [11]: 41 and the first officer most likely experienced a pitch-up or head-up somatogravic illusion, the false sensation that one is tilting backwards during unexpected forward acceleration in the absence of visible ...
Graveyard spirals are the result of several sensory illusions in aviation which may occur in actual or simulated IMC, when the pilot experiences spatial disorientation and loses awareness of the aircraft's attitude. The pilot loses the ability to judge the orientation of their aircraft due to the brain's misperception of spatial cues.
The attitude indicator (AI), also known as the gyro horizon or artificial horizon, is a flight instrument that informs the pilot of the aircraft orientation relative to Earth's horizon, and gives an immediate indication of the smallest orientation change. The miniature aircraft and horizon bar mimic the relationship of the aircraft relative to ...
N obody expected anything special when the squadron of Navy F/A-18 fighter jets headed out for routine aerial maneuvers off of the coast of Virginia Beach one day in 2013. The F/A-18s, a Naval ...
A commonly used solution to pitch-up in modern combat aircraft is to use a control-canard. [9] Another modern solution to pitch-up is the use of slats. When slats are extended they increase wing camber and increase maximum lift coefficient. [10] Pitch-up is also possible in aircraft with forward-swept wings as used on the Grumman X-29. With ...