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Besides freezing temperatures, what else must be present for structural icing to form?

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  1. Strong gusty wind
  2. Bright sunlight
  3. Visible moisture, like rain or cloud droplets

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References

  1. Remote Pilot sUAS Study Guide (FAA-G-8082-22), Chapter 3b www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/remote_pilot_study_guide.pdf Checked 2026-10-09.

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