# Revision of Class E Airspace; Sunriver, OR
> **Rule** · Final rule. · Published 2004-11-23 · 69 FR 68074
## Document
- **Document number:** 04-25884
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 68074
- **Publication date:** 2004-11-23
- **FAA docket:** Docket FAA 2003-16567
## Abstract

This final rule will revise Class E airspace at Sunriver, OR. A new Area Navigation (RNAV) Global Position System (GPS) Standard Instrument Approach Procedure (SIAP) at Sunriver airport, Sunriver, OR, makes it necessary to increase the Class E airspace. This additional controlled airspace extending upward from 700 feet or more above the surface of the earth is necessary for the containment and safety of Instrument Flight Rules (IFR) aircraft transitioning to/from the en route environment and executing this SIAP procedure.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/11/23/04-25884/revision-of-class-e-airspace-sunriver-or)
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