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IR.III.A.S5FAA-S-ACS-8C · Nov 2023Skills

Maintain the applicable airspeed ±10 knots, headings ±10°, altitude ±100 feet; track a ...

ACS element text (the applicant demonstrates understanding of)

Maintain the applicable airspeed ±10 knots, headings ±10°, altitude ±100 feet; track a course, radial, or bearing within ¾-scale deflection of the course deviation indicator (CDI).

Bottom line

The applicant exhibits the skill to: Maintain the applicable airspeed ±10 knots, headings ±10°, altitude ±100 feet; track a course, radial, or bearing within ¾-scale deflection of the course deviation indicator (CDI).

FAA references

  1. 14 CFR 91.123 (Compliance with ATC clearances and instructions.) — eCFR current as of 2026-03-05
  2. IPH ch. 1 (p. 1-43) — FAA-H-8083-16B
  3. IPH ch. 2 (p. 2-7) — FAA-H-8083-16B
  4. IPH ch. 1 (p. 1-26) — FAA-H-8083-16B
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