Home / Agencies / DOT / 2026-11576
Final Rule

IFR Altitudes; Miscellaneous Amendments

Agency
DOT
Document Number
2026-11576
Published
June 10, 2026
Effective Date
July 9, 2026

Abstract

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.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

View Full Text on FederalRegister.gov →

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Frequently Asked Questions

What is the 2026-11576 Federal Register document?
Document 2026-11576 is a Final Rule published by the Department of Transportation in the Federal Register on June 10, 2026, with an effective date of July 9, 2026. 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. View the original at https://www.federalregister.gov/documents/2026/06/10/2026-11576/ifr-altitudes-miscellaneous-amendments.
Is document 2026-11576 an economically significant rule?
No. Document 2026-11576 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

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