| Navaid Facility ID: | GMA |
| Official Navaid Facility ID: | GMA |
| Navaid Facility Type: | NDB |
| Navaid Name: | Mahn |
| City: | WHITEFIELD |
| State: | NEW HAMPSHIRE |
| FAA Region: | |
| Latitude: | 44-21-44.437N (44.3623) |
| Longitude: | 071-41-09.260W (-71.6859) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | N.H.AERO COMSN |
| Operator: | N.H.AERO COMSN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 14.3 W as of 1/23/2024 |
| ARTCC High Altitude ID (Name): | ZBW (BOSTON) |
| ARTCC Low Altitude ID (Name): | ZBW (BOSTON) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| GMA | NDB | NDB UNUSBL BYD 15 NM BLO 9,000 FT. |
| GMA | NDB | NDB UNMONITORED. |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| GMA | NDB | MAHN NDB*NH, Pattern #: 1 |
| Navaid ID | Navaid Facility Type | Fan Markers |
|---|---|---|
| GMA | NDB | WITEY |