SSRF-LiteAviation
FCC / FAA
Airband monitoring is unlicensed for receive. Transmitting on aeronautical VHF requires an FCC Part 87 aircraft or ground station authorization.
SSRF-Lite reference data
Aviation Airband — Common/Itinerant
AviationChannel plan
Channels
17 assignments, sorted by frequency. Frequency is what your radio receives; input is what it transmits on for repeaters.
| Freq (MHz) | Input (MHz) | Mode | Tone / CC | Name | Usage | Callsign | Location | Service | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 121.5000 | AM | Guard 121.5 | receive-only | Aviation | International aeronautical emergency (Guard). | ||||
| 122.0000 | AM | Flight Watch 122.0 | receive-only | Aviation | Legacy En Route Flight Advisory Service (EFAS); largely discontinued. | ||||
| 122.2000 | AM | FSS 122.2 | receive-only | Aviation | Common Flight Service Station (FSS) frequency. | ||||
| 122.7000 | AM | CTAF/UNICOM 122.7 | receive-only | Aviation | CTAF/UNICOM at uncontrolled airports. | ||||
| 122.7250 | AM | CTAF/UNICOM 122.725 | receive-only | Aviation | CTAF/UNICOM at uncontrolled airports. | ||||
| 122.7500 | AM | Air-to-Air 122.75 | receive-only | Aviation | Fixed-wing air-to-air communications. | ||||
| 122.8000 | AM | CTAF/UNICOM 122.8 | receive-only | Aviation | CTAF/UNICOM at uncontrolled airports. | ||||
| 122.8500 | AM | MULTICOM 122.85 | receive-only | Aviation | MULTICOM. | ||||
| 122.9000 | AM | MULTICOM/CTAF 122.9 | receive-only | Aviation | MULTICOM; CTAF at airports without UNICOM. | ||||
| 122.9250 | AM | MULTICOM 122.925 | receive-only | Aviation | MULTICOM for natural resource/firefighting operations. | ||||
| 122.9500 | AM | CTAF/UNICOM 122.95 | receive-only | Aviation | CTAF/UNICOM at towered airports (when tower closed). | ||||
| 122.9750 | AM | UNICOM 122.975 | receive-only | Aviation | UNICOM (high-altitude airports). | ||||
| 123.0000 | AM | CTAF/UNICOM 123.0 | receive-only | Aviation | CTAF/UNICOM at uncontrolled airports. | ||||
| 123.0250 | AM | Heli Air-to-Air 123.025 | receive-only | Aviation | Helicopter air-to-air communications. | ||||
| 123.0500 | AM | CTAF/UNICOM 123.05 | receive-only | Aviation | CTAF/UNICOM (heliports). | ||||
| 123.0750 | AM | CTAF/UNICOM 123.075 | receive-only | Aviation | CTAF/UNICOM (heliports). | ||||
| 123.1000 | AM | SAR 123.1 | receive-only | Aviation | Search and Rescue (SAR) operations. |
Sources
Where this data came from. Verify on the air before relying on it.
- FCC 47 CFR Part 87 — Aviation Services · accessed 2026-07-16
- FAA Aeronautical Information Manual (AIM) 4-1-11 · accessed 2026-07-16