Tower & ground Hillsboro
| ATIS | 127.65 |
|---|---|
| Ground | 121.7 |
| Tower | 119.3 (primary), 132.8 (secondary) |
| CTAF | 119.3 |
| UNICOM | 122.95 |
Approach & departure Portland
| App/Dep | 118.1 · HIGH |
|---|---|
| App/Dep | 126.0 · LOW · initial contact |
By procedure & sector (5 more)
| 124.35 | HELNS STAR, OCITY STAR |
|---|---|
| 239.3 | LCL/P |
| 269.175 | APCH/P DEP/P IC (LOW) |
| 284.6 | APCH/P DEP/P (HIGH) |
| 299.2 | HELNS STAR, OCITY STAR |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.