Inter County Airport (Irwin, PA) 31D 备注
| A75 | Tie down ropes are not supplied. |
| A57-E | Ctlng obstn exceeds A 45 deg slp. |
| A42-W | Runway W marked with yellow cones. |
| A42-E | Runway E marked with yellow cones. |
| A32-E/W | Runway E/W width varies 120-275 ft. |
| A31-E/W | Runway E/W 235 ft unmarked safety area west end; 281 ft unmarked safety area east end. |
| A30-E/W | Dogleg in runway approximately 15 degrees. |
| A16 | Airport manager alternate number 724-989-6560 |
| A110-8 | For clearance contact pittsburgh approach at 412-472-5591 |
| A110-7 | Runway E/W width varies 118-178 ft. |
| A110-6 | Runway E/W 275 ft unmarked safety area west end; 225 ft unmarked safety area east end . |
| A110-5 | Fence approximately 4 ft high along south side of runway "W" and extds approximately 500 ft into the aprch surface. |
| A110-4 | Turf runway may be soft during spring thaw and wet periods. Please call for current runway conditions. |
| A110-3 | Deer on and in vicinity of airport. |
| A110-2 | Ultralight activity on and in vicinity of airport. |
| A110-1 | Marked water tank approximately nine tenths of A mi east of airport, unmarked cell tower near water tank and marked transmission line approximately 1460 ft east of airport. |
