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IR.V.A.S1FAA-S-ACS-8C · Nov 2023Skills

Tune and identify the navigation facility/program the navigation system and verify syst...

ACS element text (the applicant demonstrates understanding of)

Tune and identify the navigation facility/program the navigation system and verify system accuracy as appropriate for the equipment installed in the aircraft.

Bottom line

VOR Accuracy VOR accuracy can be checked by using any of the following methods: VOR test facility signal (VOT), VOR checkpoint signs, dual VOR check, or airborne VOR check.

FAA references

  1. IPH ch. 2 (p. 2-2) — FAA-H-8083-16B
  2. IPH ch. 1 (p. 1-30) — FAA-H-8083-16B
  3. IPH ch. 2 (p. 2-29) — FAA-H-8083-16B
  4. 14 CFR 91.171 (VOR equipment check for IFR operations.) — eCFR current as of 2026-03-05
  5. PHAK ch. 16 (p. 16-31) — FAA-H-8083-25C (2023)
  6. IFH ch. 9 (p. 9-26) — FAA-H-8083-15B
  7. PHAK ch. 16 (p. 16-28) — FAA-H-8083-25C (2023)
  8. PHAK Glossary (p. G-25) — FAA-H-8083-25C (2023)
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