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Spatial orientation (the inverse being spatial disorientation, aka spatial-D) is the ability to maintain body orientation and posture in relation to the surrounding environment (physical space) at rest and during motion. Humans have evolved to maintain spatial orientation on the ground.
The leans is the most common type of spatial disorientation for aviators. Through stabilization of the fluid in the semicircular canals, a pilot may perceive straight and level flight while actually in a banked turn. This is caused by a quick return to level flight after a gradual, prolonged turn that the pilot failed to notice.
Continued VFR into IMC is when an aircraft operating under visual flight rules intentionally or unintentionally enters into instrument meteorological conditions.Flying an aircraft without visual reference to the ground can lead to a phenomenon known as spatial disorientation, which can cause the pilot to misperceive the angle, altitude, and speed at which the aircraft is traveling.
The pilot loses the ability to judge the orientation of their aircraft due to the brain's misperception of spatial cues. The graveyard spiral consists of both physiological and physical components. Mechanical failure is often a result, but generally not a causal factor, as it is the pilot's sense of equilibrium which leads to the spiral dive.
In a brownout, the pilot cannot see nearby objects which provide the outside visual references necessary to control the aircraft near the ground. [2] This can cause spatial disorientation and loss of situational awareness leading to an accident. [3] Pilots have compared landing during brownouts to parallel parking an automobile with one's eyes ...
The National Transportation Safety Board (NTSB) held a briefing Tuesday to announce its findings on the probable cause of the helicopter accident last year that claimed the lives of basketball ...
The National Transportation Safety Board's investigation into the helicopter crash that killed Kobe Bryant, his 13-year-old daughter, Gianna, and seven others last January has been closed.The ...
The probable cause of the crash was "the pilot's failure to maintain control of the airplane during a descent over water at night, which was a result of spatial disorientation". Under the heading "Spatial Disorientation", the report listed, from the FAA Instrument Flying Handbook Advisory Circular 61-27C, six examples: [1] [20] The leans