Elevator Illusion
In aviation, Elevator Illusion can occur when an abrupt upward vertical acceleration, as can occur in a helicopter or an updraft, can shift vision downwards (visual scene moves upwards) through excessive stimulation of the sensory organs for gravity and linear acceleration, creating the illusion of being in a climb. The disoriented pilot may push the aircraft into a nose low attitude. An abrupt downward vertical acceleration, usually in a downdraft, has the opposite effect, with the disoriented pilot pulling the aircraft into a nose-up attitude.[1]
According to a flight training content provider "Elevator illusion happens when you catch an updraft, and your plane is abruptly accelerated vertically. Even though your plane is most likely in straight-and-level flight, you feel like you need to push the nose forward, entering a dive attitude."[2]
See also[edit]
- The leans
- Coriolis illusion
- Graveyard spiral
- Inversion illusion
- Autokinesis
- John F. Kennedy, Jr. airplane crash
References[edit]
- ↑ Pilot's Handbook of Aeronautical Knowledge. p 16-6 Oklahoma City, OK: FAA Flight Standards Service.
- ↑ https://www.boldmethod.com/blog/lists/2015/03/6-types-of-spatial-disorientation-and-how-to-prevent-each-one/#:~:text=Elevator%20illusion%20happens%20when%20you,forward%2C%20entering%20a%20dive%20attitude
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