Somatogravic illusion (SGI) is a stealthy killer. It reveals itself in seemingly unrelated ways and can sneak up and kill you before you know what happened.
Here are some different accident types in which SGI apparently reared its ugly head:
How Somatogravic Illusion Kills Pilots
Deadly deception reveals itself in seemingly unrelated ways and can sneak up before you know what happened.
Key Takeaways:
- Somatogravic illusion (SGI) is a dangerous spatial disorientation where pilots misinterpret aircraft acceleration as a nose-up pitch, causing them to mistakenly push the aircraft's nose down.
- This illusion commonly occurs during takeoffs in low visibility or dark night conditions, and at the start of a missed approach, leading to numerous fatal accidents where aircraft descend instead of climb.
- The primary prevention for SGI is for pilots to disregard misleading physical sensations and consistently trust and meticulously scan flight instruments to verify correct pitch attitude and a positive rate of climb, especially when visual references are absent.
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