| Identifier: | TWIRK |
| NAS ID: | TWIRK |
| Name: | TWIRK |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | MARYLAND |
| ICAO Region: | K6 |
| Latitude: | 39-34-36.700N (39.576900) |
| Longitude: | 077-12-44.750W (-77.212400) |
| Magnetic Variance: | 10.7 W as of 9/30/2025 |
| High ARTCC Area: | ZDC |
| Low ARTCC Area: | ZDC |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER LOW |
| ENROUTE LOW |
| SECTIONAL |