# Safe, Efficient Use and Preservation of the Navigable Airspace
> **Rule** · Final rule. · Published 2010-07-21 · Effective 2011-01-18 · 75 FR 42296
## Document
- **Document number:** 2010-17767
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 75 FR 42296
- **Publication date:** 2010-07-21
- **Effective date:** 2011-01-18
- **FAA docket:** Docket No. FAA-2006-25002
## Abstract

This action amends the regulations governing objects that may affect the navigable airspace. These rules have not been revised in several decades, and the FAA has determined it is necessary to update the regulations, incorporate case law and legislative action, and simplify the rule language. These changes will improve safety and promote the efficient use of the National Airspace System.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/07/21/2010-17767/safe-efficient-use-and-preservation-of-the-navigable-airspace)
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