# Modification to the Gulf of Mexico High Offshore Airspace Area
> **Rule** · Final rule. · Published 1998-04-15 · 63 FR 18313
## Document
- **Document number:** 98-9940
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 63 FR 18313
- **Publication date:** 1998-04-15
- **FAA docket:** Airspace Docket No. 96-ASW-30
## Abstract

This action amends the Gulf of Mexico High Offshore airspace area by extending the present airspace area west and south to the boundary of the Houston Air Route Traffic Control Center (ARTCC) Flight Information Region/Control Area (FIR/CTA). Additionally, this action establishes the vertical limits of the airspace area expansion from Flight Level (FL) 280 up to and including FL 600. The FAA is taking this action to provide additional airspace in which domestic air traffic procedures may be used to separate and manage aircraft, resulting in the enhanced utilization of that airspace.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/04/15/98-9940/modification-to-the-gulf-of-mexico-high-offshore-airspace-area)
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