IR.I.B.S4FAA-S-ACS-8C · Nov 2023Skills
Determine whether an alternate airport is required, and, if required, whether the selec...
Determine whether an alternate airport is required, and, if required, whether the selected alternate airport meets regulatory requirements.
Bottom line
Review the destination forecast, including significant changes expected within 1 hour before and after the estimated time of arrival (ETA).
FAA references
- 14 CFR 91.169 (IFR flight plan: Information required.) — eCFR current as of 2026-03-05
- AC 91-92, paras. 7.4.1.9, 7.6 — AC No: 91-92
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