| Fix Name | MUMSY |
| State | WEST VIRGINIA |
| Latitude | 39.41325 |
| Longitude | -78.1472416666667 |
| Fix Type | FIX |
| Charts | STAR |
| Charts | ENROUTE LOW |
| Loc ID | MRB C 283.90/14 |
| Loc ID | LDN C 010.63/33.61 |
| Published? | Y |
| Fix Use | REP-PT |
| National Airspace Id | MUMSY |
| ARTCC | ZDC |
| Pitch? | N |
| Catch? | N |
| SUA ATCAA? | N |