 | Airports: United States: Ralph Myers Airport | |
| Airport name: | Ralph Myers Airport |
| Airport code (ICAO): | SD56 |
| Latitude: | 44.8666 |
| Longitude: | -99.6171 |
| Height above sea: | 1900 ft / 579 m |
| Country: | United States - North America |
| Region: | South Dakota |
| City: | Onida |
| Airlines scheduled services: | no |