 | Airports: United States: Duncan Airport | |
| Airport name: | Duncan Airport |
| Airport code (ICAO): | MT06 |
| Latitude: | 46.5702 |
| Longitude: | -112.1750 |
| Height above sea: | 4260 ft / 1298 m |
| Country: | United States - North America |
| Region: | Montana |
| City: | Helena |
| Airlines scheduled services: | no |