# Federal Register #Docket No. 31687; Amdt. No. 594

FAA Regulatory Amendment: IFR Altitudes and Changeover Points Update

**Buyer:** Federal Aviation Administration
**Posted:** September 25, 2026
**Identifier:** Docket No. 31687; Amdt. No. 594

This notice announces a regulatory amendment by the Federal Aviation Administration (FAA), under the Department of Transportation, regarding instrument flight rules (IFR) altitudes and changeover points for certain Federal airways, jet routes, and direct routes.
- Government Buyer:
  - Department of Transportation (DOT)
  - Federal Aviation Administration (FAA)
- No OEMs or vendors are mentioned, as this is not a procurement action.
- No products or services are requested; the notice is a technical regulatory update.
- The amendment is prompted by changes in the National Airspace System to ensure safe and efficient use of navigable airspace under instrument conditions.
- No unique procurement requirements are included; this is not a solicitation for goods or services.

### Description

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. The regulatory action is needed due to 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. The amendment is effective at 0901 UTC on October 29, 2026.

[View original listing](https://www.federalregister.gov/documents/2026/09/25/2026-19722/ifr-altitudes-miscellaneous-amendments)