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AA.VI.D.S3FAA-S-ACS-11A · Nov 2023Skills

Select, tune, identify, and confirm the operational status of navigation equipment to b...

ACS element text (the applicant demonstrates understanding of)

Select, tune, identify, and confirm the operational status of navigation equipment to be used for the approach.

Bottom line

In situations where the loss of RAIM capability is predicted to occur, the flight must rely on other approved equipment, delay departure, or cancel the flight. If the non-GPS approaches on which the pilot must rely require DME or ADF, the aircraft must be equipped with DME or ADF avionics as appropriate.

FAA references

  1. IFH ch. 9 (pp. 9-26–9-27) — FAA-H-8083-15B
  2. IFH ch. 9 (p. 9-31) — FAA-H-8083-15B
  3. RMH ch. 7 (p. 7-3) — FAA-H-8083-2A
  4. 14 CFR 91.171 (VOR equipment check for IFR operations.) — eCFR current as of 2026-03-05
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