- Airport Identifier
- SD56
- Airport Name
- Ralph Myers Airport
- Location
- Onida, United States
- Field elevation (ft)
- 1,900 ft
- Airport Type
- Closed
- Magnetic Variation
- 2.983° W
- Coordinates
- 44.8666° N 99.617104° W
| Runway Name | Runway Length | Displaced Threshold (ft) | Runway Heading (°T) | Runway Heading (°M) | Slope | Surface |
|---|---|---|---|---|---|---|
| 12 | 2,300 ft x 50 ft | N/A | Unknown | 120 °M | Unknown | Grass |
| 30 | 2,300 ft x 50 ft | N/A | Unknown | 300 °M | Unknown | Grass |