SD21 vs SD57
Comparing Hayes Emergency Airstrip and W L Thompson Airport side by side. They are 16 NM apart.
| SD21Hayes Emergency Airstrip | SD57W L Thompson Airport | |
| Location | Hayes, United States | Pierre, United States |
|---|---|---|
| Type | Small Airport | Small Airport |
| Elevation | 1986 ft | 1407 ft |
| Runways | 1 (longest 640x30m) | 3 (longest 792x24m) |
| ILS approach | No | No |
| Port of entry | No | No |
| Customs hours | — | — |
| Fuel | — | — |