***Link*** :: [§ 91.169 IFR flight plan: Information required.](https://www.ecfr.gov/current/title-14/section-91.169) ***Description*** :: `= this.link` ***Author*** :: [[FAA]] ***Related To:*** [[1-2-3 Rule]] #### Key Quotes * each person filing an IFR flight plan must include... * Information required under § [[91.153]] (a)... * (a)(2) Except as provided in paragraph (b) of this section, an alternate airport * Paragraph (a)(2) of this section does not apply if: * standard instrument approach procedure to... the first airport of intended landing; and * For at least 1 hour before and for 1 hour after the estimated time of arrival, the ceiling will be at least 2,000 feet above the airport elevation and the visibility will be at least 3 statute miles.^[[[1-2-3 Rule]]] * no person may include an alternate airport in an IFR flight plan unless appropriate weather reports or weather forecasts, or a combination of them, indicate that, at the estimated time of arrival at the alternate airport, the ceiling and visibility at that airport will be at or above the following weather minima: * ***For a precision approach procedure.*** Ceiling 600 feet and visibility 2 statute miles. * ***For a nonprecision approach procedure.*** Ceiling 800 feet and visibility 2 statute miles. * If no [[IAP]] has been published... the ceiling and visibility minima are those allowing descent from the [[MEA]], approach, and landing under basic [[VFR]]. #source #far