Troy Airport (Troy, MT) 57S 備考
| A58-32 | +5 ft fence 13 ft from runway end both sides. |
| A58-14 | +5-80 ft trees wi pri surface bgn 25-200 ft ft from runway end both sides. |
| A57-32 | Approach slp 13:1 from dthr. |
| A57-14 | Controlling obstn exceeds A 45 deg slp. Approach slp 16:1 from dthr. |
| A42-32 | Dthr marked with white arrows. |
| A42-14 | Dthr marked with white arrows. |
| A33-14/32 | Cracks, weeds, broken asphalt. |
| A13 | Winter - 406-295-4693. |
| A110-4 | For clearance contact seattle artcc at 253-351-3694. |
| A110-3 | Pedestrian walking trail in vicinity of mov area. |
| A110-2 | No snow removal. Airport surface cond unmon. |
| A110-1 | Lighted heli adjacent to segmented circle. |
| A11 | Lincoln county. |
