# Modification of Class E Airspace; Window Rock, AZ
> **Rule** · Direct final rule; request for comments. · Published 2003-06-19 · Effective 2003-09-04 · 68 FR 36743
## Document
- **Document number:** 03-15526
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; request for comments.
- **Citation:** 68 FR 36743
- **Publication date:** 2003-06-19
- **Effective date:** 2003-09-04
- **FAA docket:** Docket No. FAA-2003-15299
## Abstract

An Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) RNAV (GPS) Runway (RWY) 02, and an RNAV (GPS)-B SIAP has been developed to serve Window Rock Airport, Window Rock, AZ. This action expands Class E airspace extending upward from 700 feet or more above the surface at Window Rock, AZ to contain aircraft executing these approaches. This action provides controlled airspace for Instrument Flight Rules (IFR) operations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/19/03-15526/modification-of-class-e-airspace-window-rock-az)
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