Heller Farm Airport (Winifred, MT) L51 備註
| A57-11 | Controlling obstn exceeds A 45 deg slp. |
| A42-29 | 2400 feet marked with cones 300 feet available for overrun |
| A42-11 | Cones for 2400 feet W/300 feet of overun |
| A110-4 | Mowing ireg. |
| A110-3 | For clearance contact salt lake artcc at 801-320-2568. |
| A110-2 | Livestock and wildlife possible on runway or in the vicinity |
| A110-1 | Do not land if wet |
