# Revision of Class E Airspace; Herlong, CA
> **Rule** · Final rule. · Published 2006-04-24 · Effective 2006-08-03 · 71 FR 20876
## Document
- **Document number:** 06-3864
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 20876
- **Publication date:** 2006-04-24
- **Effective date:** 2006-08-03
- **FAA docket:** Docket FAA 2004-19684
## Abstract

This final rule will revise the Class E airspace area at Herlong, CA. Additional controlled airspace is necessary for the safety of Instrument Flight Rules (IFR) aircraft during airborne holding. Holding airspace is designed with specific altitudes and lateral boundaries within controlled airspace. This airborne holding procedure is also an integral part of a new Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) at the Amedee Army Air Field (AFF), Herlong, CA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/04/24/06-3864/revision-of-class-e-airspace-herlong-ca)
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