| Navaid Facility ID: | MMJ |
| Official Navaid Facility ID: | MMJ |
| Navaid Facility Type: | DME |
| Navaid Name: | Montour |
| City: | PITTSBURGH |
| State: | PENNSYLVANIA |
| FAA Region: | |
| Latitude: | 40-29-16.800N (40.488) |
| Longitude: | 080-11-37.800W (-80.1938) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | L-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 9.1 W as of 6/8/2025 |
| ARTCC High Altitude ID (Name): | ZOB (CLEVELAND) |
| ARTCC Low Altitude ID (Name): | ZOB (CLEVELAND) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| MMJ | DME | DME UNUSBL 126T-165T BYD 10 NM BLW 5000 FT; 126T-165T BYD 15 NM; 350T-360T BYD 30 NM. |