| Identifier: | MUMSY |
| NAS ID: | MUMSY |
| Name: | MUMSY |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WEST VIRGINIA |
| ICAO Region: | K6 |
| Latitude: | 39-24-47.700N (39.413300) |
| Longitude: | 078-08-50.070W (-78.147200) |
| Magnetic Variance: | 10.2 W as of 9/30/2025 |
| High ARTCC Area: | |
| Low ARTCC Area: | ZDC |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| AREA |
| CONTROLLER LOW |
| ENROUTE LOW |
| IAP |
| STAR |