# Amendment of Class B Airspace; Washington Tri-Area, DC
> **Rule** · Final rule; technical amendment. · Published 2014-09-26 · Effective 2014-09-26 · 79 FR 57757
## Document
- **Document number:** 2014-22854
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule; technical amendment.
- **Citation:** 79 FR 57757
- **Publication date:** 2014-09-26
- **Effective date:** 2014-09-26
- **FAA docket:** Docket No. FAA-2014-0713
## Abstract

This action amends the description of Area D of the Washington Tri-Area Class B airspace area to include exclusion of restricted area R-4001C from the Class B airspace when the restricted area is active. The remainder of the Class B description is not affected by this change.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/09/26/2014-22854/amendment-of-class-b-airspace-washington-tri-area-dc)
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