Tower & ground
| ASOS/AWOS | 119.025 |
|---|---|
| Clearance | 123.8 |
| CTAF | 123.05 |
| UNICOM | 123.05 |
| Flight service | 124.25 (LOW), 128.2 (LOW) |
Approach & departure Portland
| App/Dep | 120.4 |
|---|
By procedure & sector (3 more)
| 263.05 | WATERBORO RCAG (LOW) |
|---|---|
| 290.5 | BANGOR RCAG (LOW) |
| 299.2 | APCH/P DEP/P |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.