Hayes Emergency Airstrip Airport (Hayes, SD) SD21 Commentaires
| A57-32 | Approach ratio includes vehicle clearance over hwy located 450' from southeast threshold. |
| A16 | Cell 605-222-0559 |
| A110-2 | Emergency use only |
| A110-1 | For clearance contact minneapolis artcc at 651-463-5588. |
