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.
| Document Number | 2025-08295 |
| FR Citation | 90 FR 20233 |
| Type | Final Rule |
| Published | May 13, 2025 |
| Effective Date | Aug 7, 2025 |
| RIN | 2120-AA66 |
| Docket ID | Docket No. FAA-2024-2048 |
| Pages | 20233–20234 (2 pages) |
| Text Fetched | No |
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| Type | Proposed | Final | Method | Conf |
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| Doc # | Type | Title | Published |
|---|---|---|---|
| 2026-01770 | Final Rule | Modification of Class E Airspace; Newpor... | Jan 29, 2026 |
| 2026-01771 | Final Rule | Modification of Class E Airspace; Driggs... | Jan 29, 2026 |
| 2026-01662 | Proposed Rule | Amendment of United States Area Navigati... | Jan 28, 2026 |
| 2026-01713 | Proposed Rule | Amendment of United States Area Navigati... | Jan 28, 2026 |
| 2026-01656 | Proposed Rule | Amendment of Class D and Class E2 Airspa... | Jan 28, 2026 |
| 2026-01261 | Proposed Rule | Revocation of Class E Airspace; Zuni, NM... | Jan 23, 2026 |
| 2026-01293 | Final Rule | Establishment of Class E Airspace; Washb... | Jan 23, 2026 |
| 2026-01172 | Final Rule | Amendment of Class D and Class E4 Airspa... | Jan 22, 2026 |
| 2026-01171 | Final Rule | Amendment of Class D and Class E Airspac... | Jan 22, 2026 |
| 2026-01170 | Final Rule | Amendment of Class E Airspace; New Lexin... | Jan 22, 2026 |
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