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AhaBulb: Stuff Everyone Should Know · ahabulb.com/pilot-raim-satellites

At minimum, how many GPS satellites must be in view for RAIM, without baro-aiding?

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  1. Three satellites
  2. Four satellites
  3. Five satellites

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References

  1. AIM Chapter 1 Section 1, Air Navigation Aids www.faa.gov/air_traffic/publications/atpubs/aim_html/chap1_section_1.html Checked 2026-10-09.

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