# Modification of Class E Airspace; Mammoth Lakes Airport, Mammoth Lakes, CA
> **Rule** · Final rule. · Published 2024-05-31 · Effective 2024-09-05 · 89 FR 47073
## Document
- **Document number:** 2024-11894
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 89 FR 47073
- **Publication date:** 2024-05-31
- **Effective date:** 2024-09-05
- **FAA docket:** Docket No. FAA-2023-1758
## Abstract

This action modifies the Class E airspace designated as surface area, modifies the Class E airspace extending upward from 700 feet above the surface, and removes the Class E airspace extending upward from 1,200 feet above the surface at Mammoth Yosemite Airport, Mammoth Lakes, CA. Additionally, this action updates the administrative portion of the airport's Class E airspace legal descriptions. These actions support the safety and management of instrument flight rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/05/31/2024-11894/modification-of-class-e-airspace-mammoth-lakes-airport-mammoth-lakes-ca)
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