| Navaid Facility ID: | GMA |
| Official Navaid Facility ID: | |
| Navaid Facility Type: | VOR-DME |
| Navaid Name: | Gengma |
| City: | |
| State: | |
| FAA Region: | |
| Latitude: | 23-31-54.12N (23.5317) |
| Longitude: | 99-24-42.12E (99.4117) |
| Lat/Long Survey Accuracy: | |
| Owner: | |
| Operator: | |
| Common System Usage: | |
| Public Use: | |
| Navaid Class: | |
| Hours of Operation: | |
| Magnetic Variance: | 1.2 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |
| 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 |