# Amendment of United States Area Navigation Routes Q-121 and Q-156
> **Rule** · Final rule. · Published 2026-02-19 · Effective 2026-05-14 · 91 FR 7822
## Document
- **Document number:** 2026-03246
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 91 FR 7822
- **Publication date:** 2026-02-19
- **Effective date:** 2026-05-14
- **FAA docket:** Docket No. FAA-2026-1454
## Abstract

This action renames a waypoint (WP) on United States Area Navigation (RNAV) Routes Q-121 and Q-156 currently identified as "SWTHN" with the new identifier "STORZ" for pronounceability. This action does not change the structure or flight path of either RNAV route.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/02/19/2026-03246/amendment-of-united-states-area-navigation-routes-q-121-and-q-156)
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