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AhaBulb: Stuff Everyone Should Know · ahabulb.com/ifr-cold-weather-altimeter

On a very cold day with the correct altimeter setting, how does your true altitude compare with indicated?

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  1. Lower, so obstacle clearance shrinks
  2. Higher, so you have extra clearance
  3. Identical, since the setting corrects temperature

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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 2026-10-11.
  2. AIM 5-5 Pilot/Controller Roles and Responsibilities www.faa.gov/air_traffic/publications/atpubs/aim_html/chap5_section_5.html Checked 2026-10-11.

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