# Modification of Class E Airspace; Mason City Municipal Airport, IA
> **Rule** · Direct final rule; request for comments. · Published 2006-04-18 · Effective 2006-08-03 · 71 FR 19813
## Document
- **Document number:** 06-3660
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; request for comments.
- **Citation:** 71 FR 19813
- **Publication date:** 2006-04-18
- **Effective date:** 2006-08-03
- **FAA docket:** Docket No. FAA-2006-24370
## Abstract

This action amends Title 14 Code of Federal Regulations, part 71 (14 CFR 71) by revising Class E airspace areas at Mason City Municipal Airport, IA. A review of the Class E airspace surface area and the Class E airspace area extending upward from 700 feet above ground level (AGL) revealed neither area complies with criteria in FAA Orders. These airspace areas and their legal descriptions are modified to conform to the criteria in FAA Orders.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/04/18/06-3660/modification-of-class-e-airspace-mason-city-municipal-airport-ia)
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