# Modification of Class D Airspace and Establishment of Class E Airspace; Klamath Falls, OR
> **Rule** · Final rule. · Published 1998-11-16 · 63 FR 63600
## Document
- **Document number:** 98-30588
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 63 FR 63600
- **Publication date:** 1998-11-16
- **FAA docket:** Airspace Docket No. 98-ANM-04
## Abstract

This action modifies Class D surface airspace at Klamath Falls International Airport by amending the effective hours to coincide with the Klamath Falls Airport Traffic Control Tower (ATCT). This action also establishes a Class E surface airspace area when the ATCT is closed. The effect of this action is to clarify when two-way radio communication with the ATCT is required and to provide adequate Class E airspace for instrument approach procedures when the tower is closed.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/11/16/98-30588/modification-of-class-d-airspace-and-establishment-of-class-e-airspace-klamath-falls-or)
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