 | Airports: United States: A.C. Miller Airport | |
| Airport name: | A.C. Miller Airport |
| Airport code (ICAO): | MI21 |
| Latitude: | 41.7375 |
| Longitude: | -84.5649 |
| Height above sea: | 944 ft / 287 m |
| Country: | United States - North America |
| Region: | Michigan |
| City: | Frontier |
| Airlines scheduled services: | no |