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On an airspeed indicator, what does the bottom of the white arc mark?

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  1. VS1, stall speed clean
  2. VFE, maximum flap speed
  3. VS0, stall speed in landing configuration

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References

  1. FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8 www.faa.gov/regulations_policies/handbooks_manuals/aviation/faa-h-8083-25c.pdf Checked 2026-10-09.

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