# Amendment of Class D Airspace and Class E Airspace Over Tri-Cities, TN

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Proposed rule |
| Action | Notice of proposed rulemaking (NPRM). |
| Published | 2026-08-11 |
| Comments close | 2026-09-25 |
| Significant | No |
| CFR parts | 14 CFR 71 |
| Summary | This action proposes to amend Class D and Class E airspace over Tri-Cities, TN. This action would modify the dimensions of the Tri-Cities, TN Class D and Class E2 airspace to appropriately contain Instrument Flight Rules (IFR) operations at the Tri-Cities Airport. This action would also remove the Tri-Cities, TN Class E4 airspace, as it is no longer necessary. This action would also modify the Tri- Cities, TN Class E5 airspace to appropriately contain IFR operations at the airport. This action would also update verbiage in the Class D and Class E2 airspace legal descriptions to comply with cur |
| Document number | 2026-16333 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/11/2026-16333/amendment-of-class-d-airspace-and-class-e-airspace-over-tri-cities-tn). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.