Buffalo, Wyoming
KBYG Johnson County
Johnson County (KBYG) is a non-towered, public-use airport in Buffalo, Wyoming, at 4,970 ft MSL. Its runway is 13/31 (6,143 by 75 ft, asphalt). CTAF 122.8.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KBYG, FAA BYG
- Location
- Buffalo, Wyoming (Johnson County). 3 NM NW of the city center
- Elevation
- 4,970 ft MSL
- Position
- 44.3811° N, 106.7218° W
- Control tower
- No, non-towered
- Sectional chart
- Cheyenne
- Magnetic variation
- 12° E (2005)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- MON-FRI 0800-1700; SAT 0800-1200
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 13/31 | 6,143 × 75 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 13 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
| 31 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- UNICOM
- 122.8
Weather station
- ASOS BYG
- 135.425
Before you go
Brief KBYG in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Johnson County, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.