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

Recognize a simulated loss of communication.

ACS element text (the applicant demonstrates understanding of)

Recognize a simulated loss of communication.

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. Pilots can use the transponder to alert ATC to a radio communication failure by squawking code 7600.

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. 11 (p. 11-9) — FAA-H-8083-15B
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