SECTION Title Time
§ 121.619§ 121.619 Alternate airport for destination: IFR or over-the-top: Domestic operations.July 31, 2026
§ 121.621§ 121.621 Alternate airport for destination: Flag operations.July 31, 2026
§ 121.623§ 121.623 Alternate airport for destination: IFR or over-the-top: Supplemental operations.July 31, 2026
§ 121.624§ 121.624 ETOPS Alternate Airports.July 31, 2026
§ 121.625§ 121.625 Alternate Airport weather minima.July 31, 2026
§ 121.627§ 121.627 Continuing flight in unsafe conditions.July 31, 2026
§ 121.628§ 121.628 Inoperable instruments and equipment.July 31, 2026
§ 121.629§ 121.629 Operation in icing conditions.July 31, 2026
§ 121.631§ 121.631 Original dispatch or flight release, redispatch or amendment of dispatch or flight release.July 31, 2026
§ 121.633§ 121.633 Considering time-limited systems in planning ETOPS alternates.July 31, 2026
§ 121.635§ 121.635 Dispatch to and from refueling or provisional airports: Domestic and flag operations.July 31, 2026
§ 121.637§ 121.637 Takeoffs from unlisted and alternate airports: Domestic and flag operations.July 31, 2026
§ 121.639§ 121.639 Fuel supply: All domestic operations.July 31, 2026
§ 121.641§ 121.641 Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Flag operations.July 31, 2026
§ 121.643§ 121.643 Fuel supply: Nonturbine and turbo-propeller-powered airplanes: Supplemental operations.July 31, 2026