> [!quote] Paraphrased from [[FAR 91.169 IFR Flight Plan Info Reqd|91.169]](a) > Unless otherwise authorized by ATC, **each person filing an IFR flight plan must include in it the following information... an alternate airport.** However, the FAA has a carveout for when weather is expected to be very good at the destination. > [!quote] Paraphrased from [[FAR 91.169 IFR Flight Plan Info Reqd|91.169]](b) > \[Alternate requirement\] does not apply if: > 1. There is a standard [[IAP]] at the first airport of intended landing; and > 2. 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**.