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SESK: Stuff Everyone Should Know · sesk.info/ifr-omission-error

Which instrument cross-check error means failing to anticipate significant indications after an attitude change?

Omission error.

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  1. Oscillation error
  2. Parallax error
  3. Omission error ✔

Why: Omission error means not expecting the instrument changes that follow an attitude change. An example is concentrating on pitch while forgetting heading or roll, which produces erratic control of heading and bank.

Huh, didn't know that: No specific cross-check method is recommended; you learn which instruments are most useful in each phase of a maneuver.

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What do you call an airplane where you've got nothing to do? A Boeing airplane.
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References

Answer: Omission error. Omission error means not expecting the instrument changes that follow an attitude change. An example is concentrating on pitch while forgetting heading or roll, which produces erratic control of heading and bank.

  1. FAA Instrument Flying Handbook (FAA-H-8083-15B) www.faa.gov/sites/faa.gov/files/pilots/FAA-H-8083-15B.pdf
    Omission of an instrument from a cross-check is another likely fault.
    Checked 2026-10-11.

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