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IR.I.C.K5FAA-S-ACS-8C · Nov 2023Knowledge

Procedures for activating and closing an IFR flight plan in controlled and uncontrolled...

ACS element text (the applicant demonstrates understanding of)

Procedures for activating and closing an IFR flight plan in controlled and uncontrolled airspace.

Bottom line

When a flight plan has been activated, the pilot in command, upon canceling or completing the flight under the flight plan, shall notify an FAA Flight Service Station or ATC facility.

Key numbers

Key numbers for Procedures for activating and closing an IFR flight plan in controlled and uncontrolled...
NumberWhat it means
at least 30 minutes prior to estimated time of departureFile before

FAA references

  1. 14 CFR 91.169 (IFR flight plan: Information required.) — eCFR current as of 2026-03-05
  2. IFH ch. 10 (p. 10-2) — FAA-H-8083-15B
  3. AIM 5-1-15 (Canceling IFR Flight Plan) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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