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The head-down illusion involves a sudden linear deceleration (air braking, lowering flaps, decreasing engine power) during level flight where the pilot perceives the illusion that the nose of the aircraft is pitching down. The pilot's response to this illusion would be to pitch the nose of the aircraft up. If this illusion occurs during a low ...
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 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 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.
Captain Shakeeb inexplicably made a large nose-down input while the aircraft was turning towards the Gulf Sea. At the time, the aircraft was accelerating rapidly and was flying away from the airport. The investigation hypothesized that Captain Shakeeb might have suffered a sensory illusion known as somatogravic illusion. [1]: 68
“We have no illusion of quick-fix cure for serious and sustained moral injury,” he said. A few academic researchers and therapists scattered across the country are experimenting with new forms of therapy, some adapting ideas that have worked with patients suffering from PTSD and other forms of war trauma.
The Coriolis effect is a concern for pilots and astronauts, where it can cause extreme disorientation. [14] [15] [5] [16] [17] This happens as pilots turn or rotate their aircraft, while also turning their head.