IR.VII.A.S4FAA-S-ACS-8C · Nov 2023Skills

Determine appropriate time to begin an approach.

ACS element text (the applicant demonstrates understanding of)

Determine appropriate time to begin an approach.

Bottom line

If the clearance limit is not a fix from which an approach begins, the pilot must leave the clearance limit at the expect-further-clearance time if one has been received, or if none has been received, upon arrival over the clearance limit. If the clearance limit is a fix from which an approach begins, commence descent or descent and approach as close as possible to the expect-further-clearance time if one has been received.

FAA references

  1. 14 CFR 91.185 (IFR operations: Two-way radio communications failure.) — eCFR current as of 2026-03-05
  2. IFH ch. 11 (p. 11-9) — FAA-H-8083-15B
  3. IPH ch. 2 (p. 2-47) — FAA-H-8083-16B
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