Data / Federal rules / 2025-09109
IFR Altitudes; Miscellaneous Amendments
The Federal Aviation Administration published this final rule in the Federal Register on May 22, 2025. It took effect on June 12, 2025.
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What the agency says
This amendment adopts miscellaneous amendments to the required IFR (instrument flight rules) altitudes and changeover points for certain Federal airways, jet routes, or direct routes for which a minimum or maximum en route authorized IFR altitude is prescribed. This regulatory action is needed because of changes occurring in the National Airspace System. These changes are designed to provide for the safe and efficient use of the navigable airspace under instrument conditions in the affected areas.
Key facts
- Document number
- 2025-09109
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- May 22, 2025
- Takes effect
- June 12, 2025
- Dates
- Effective Date: 0901 UTC, June 12, 2025.
- Docket
- Docket No. 31606; Amdt. No. 585
- Code of Federal Regulations
- 14 CFR 95
- Topics
- Airspace; Navigation (air)
- Pages
- 12
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Everything from the Federal Aviation Administration · Rules on airspace · Rules on navigation (air) · Published in May 2025
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.