| Identifier: | GRNAT |
| NAS ID: | GRNAT |
| Name: | GRNAT |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | NEW HAMPSHIRE |
| ICAO Region: | K6 |
| Latitude: | 43-04-55.910N (43.082200) |
| Longitude: | 071-31-22.110W (-71.522800) |
| Magnetic Variance: | 14 W as of 9/30/2025 |
| High ARTCC Area: | ZBW |
| Low ARTCC Area: | ZBW |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |