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AhaBulb: Stuff Everyone Should Know · ahabulb.com/ifr-somatogravic-illusion

Rapid acceleration on takeoff in clouds can feel like what attitude?

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  1. Nose down
  2. A steep left bank
  3. Nose up

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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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FlyingYou slowly enter a bank, then correct it abruptly. What does your inner ear tell you?FlyingWhich illusion can make a pilot in a long steady turn pull back and tighten a descending spiral?FlyingAfter a long turn you look down at a chart and suddenly feel the airplane turning on another axis. What illusion is this?

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