AI.II.J.K3FAA-S-ACS-25 · Nov 2023Knowledge
Advisory Circulars, INFOs, and SAFOs.
Advisory Circulars, INFOs, and SAFOs.
Bottom line
SAFOs contain important safety information that is often time-critical. InFOs are similar to SAFOs, but contain valuable information for operators that should help them meet administrative requirements or certain regulatory requirements with relatively low urgency or impact in safety.
Key numbers
| Number | What it means |
|---|---|
| three parts to an AC number | AC number parts |
FAA references
- PHAK ch. 1 (p. 1-11) — FAA-H-8083-25C (2023)
- AIM 7-7-5 (Safety Alerts For Operators (SAFO) and Information For Operators (InFO)) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
Build understanding you can use
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- Common mistakes paired with the FAA facts that correct them