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Which illusion can make a pilot in a long steady turn pull back and tighten a descending spiral?

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  1. The graveyard spiral
  2. The somatogravic illusion
  3. The coriolis illusion

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References

  1. FAA Instrument Flying Handbook (FAA-H-8083-15B) www.faa.gov/sites/faa.gov/files/pilots/FAA-H-8083-15B.pdf Checked 2026-10-10.

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