# Revision of Class E Airspace; Ruby, AK
> **Rule** · Final rule. · Published 2007-08-14 · Effective 2007-10-25 · 72 FR 45319
## Document
- **Document number:** E7-15719
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 45319
- **Publication date:** 2007-08-14
- **Effective date:** 2007-10-25
- **FAA docket:** Docket No. FAA-2007-28148
## Abstract

This action revises Class E airspace at Ruby, AK to provide adequate controlled airspace to contain aircraft executing Standard Instrument Approach Procedures (SIAPs). Two new Standard Instrument Approach Procedures (SIAPs) are being developed for the Ruby Airport. This action revises existing Class E airspace upward from 700 feet (ft.) and 1,200 ft. above the surface at Ruby Airport, Ruby, AK.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/08/14/E7-15719/revision-of-class-e-airspace-ruby-ak)
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