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AA.VI.B.K4FAA-S-ACS-11A · Nov 2023Knowledge

Two-way radio communication failure procedures after takeoff.

ACS element text (the applicant demonstrates understanding of)

Two-way radio communication failure procedures after takeoff.

Bottom line

If the failure occurs in VFR conditions, or if VFR conditions are encountered after the failure, each pilot shall continue the flight under VFR and land as soon as practicable.

Key numbers

Key numbers for Two-way radio communication failure procedures after takeoff.
NumberWhat it means
7600Squawk code
RDOFRadar alert

FAA references

  1. 14 CFR 91.185 (IFR operations: Two-way radio communications failure.) — eCFR current as of 2026-03-05
  2. IPH ch. 2 (p. 2-47) — FAA-H-8083-16B
  3. IFH ch. 10 (p. 10-5) — FAA-H-8083-15B
  4. IFH ch. 11 (p. 11-8) — FAA-H-8083-15B
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