Frequencies
Richard Downing Airport (I40)
Air Traffic Control
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 118.875 | KQR2 | BM | CSQ | I40 AWOS | Automated Weather Observation Station (AWOS) | AM | Aircraft |
| 123.000 | BM | CSQ | I40 CTAF | CTAF/Unicom | AM | Aircraft | |
| 124.450 | BM | CSQ | I40 App-Depp | Approach/Departure (Provided by Indianapolis ARTCC) | AM | Aircraft | |
| 370.900 | BM | I40 App-Dep | Approach/Departure (Provided by Indianapolis ARTCC) | AM | Aircraft |