# Modification of Class B Airspace; Salt Lake City, UT
> **Rule** · Final rule. · Published 2014-07-09 · Effective 2014-10-16 · 79 FR 38772
## Document
- **Document number:** 2014-15914
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 79 FR 38772
- **Publication date:** 2014-07-09
- **Effective date:** 2014-10-16
- **FAA docket:** Docket No. FAA-2013-0859
## Abstract

This action amends the description of Area C and Area O of the Salt Lake City Class B airspace area by raising the floor of a small portion of Class B airspace between the Salt Lake City Class B surface area and the Hill Air Force Base (AFB) Class D airspace area. This action raises the Class B airspace floor in the northeast corner of Area C from 6,000 feet mean seal level (MSL) to 7,500 feet MSL, and redefines the new boundary segment using the power lines underlying the area. This action enhances the safety and flow of Visual Flight Rules (VFR) aircraft transitioning north and south through the Salt Lake Valley over Interstate 15.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/07/09/2014-15914/modification-of-class-b-airspace-salt-lake-city-ut)
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