Data / Federal rules / 2025-08295
Modification of Class E Airspace; Colusa County Airport, Colusa, CA
The Federal Aviation Administration published this final rule in the Federal Register on May 13, 2025. It took effect on August 7, 2025.
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What the agency says
This action modifies the Class E airspace extending upward from 700 feet above the surface of the earth and removes the Class E airspace extending upward from 1,200 feet above the surface at Colusa County Airport, Colusa, CA. Additionally, this action proposes administrative amendments to update the airport's Class E airspace legal description. These actions will support the safety and management of instrument flight rules (IFR) operations at the airport.
Key facts
- Document number
- 2025-08295
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- May 13, 2025
- Takes effect
- August 7, 2025
- Dates
- Effective date 0901 UTC, August 7, 2025. The Director of the Federal Register approves this incorporation by reference action under 1 CFR part 51, subject to the annual revision of FAA Order JO 7400.11 and publication of conforming amendments.
- Docket
- Docket No. FAA-2024-2048; Airspace Docket No. 24-AWP-101
- Regulation ID (RIN)
- 2120-AA66
- Code of Federal Regulations
- 14 CFR 71
- Topics
- Airspace; Incorporation by reference; Navigation (air)
- Pages
- 2
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Everything from the Federal Aviation Administration · Rules on airspace · Rules on incorporation by reference · 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.