# Modification of Class E Airspace; Mason City, IA
> **Rule** · Direct final rule; confirmation of effective date. · Published 2006-06-19 · Effective 2006-08-03 · 71 FR 35152
## Document
- **Document number:** 06-5516
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; confirmation of effective date.
- **Citation:** 71 FR 35152
- **Publication date:** 2006-06-19
- **Effective date:** 2006-08-03
- **FAA docket:** Docket No. FAA-2006-24370
## Abstract

This document confirms the effective date of the direct final rule which revises Class E airspace at Mason City, IA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/06/19/06-5516/modification-of-class-e-airspace-mason-city-ia)
---
*AI Analytics · CC0 1.0*