| Navaid Facility ID: | GAI |
| Official Navaid Facility ID: | GAI |
| Navaid Facility Type: | NDB |
| Navaid Name: | Gaithersburg |
| City: | GAITHERSBURG |
| State: | MARYLAND |
| FAA Region: | |
| Latitude: | 39-10-11.026N (39.1697) |
| Longitude: | 077-09-57.333W (-77.1659) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | MONTGOMERY COUNTY ARPT |
| Operator: | MONTGOMERY COUNTY ARPT |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 10.7 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZDC (WASHINGTON) |
| ARTCC Low Altitude ID (Name): | ZDC (WASHINGTON) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| GAI | NDB | NDB UNUSBL 040-130 BYD 20 NM. |