Slack Airport (Forest Grove, PA) 18PA Cartes IFR (règles des instruments de vol)
| 4 | KDYL | Doylestown | Doylestown, PA |
| 13 | KTTN | Trenton Mercer | Trenton, NJ |
| 14 | KCKZ | Pennridge | Perkasie, PA |
| 15 | KLOM | Wings Field | Philadelphia, PA |
| 15 | KPNE | Northeast Philadelphia | Philadelphia, PA |
