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Johnson County Airport
BYG · KBYG · Buffalo, WY · 4,968 ft elevation · var 12E · Towered
Airport information
- ICAO / IATA
- KBYG / BYG
- Coordinates
- 44.3811, -106.7220
- Elevation
- 4,968 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- CHEYENNE
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- CASPER
- NOTAM facility
- BYG
- Attendance
- MON-FRI 0800-1700; SAT 0800-1200
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1941/04
- Distance from city
- 3 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:46 AM | 10:46Z |
| Sunrise | 05:22 AM | 11:22Z |
| Sunset | 08:55 PM | 02:55Z |
| Evening civil twilight Loggable night begins | 09:31 PM | 03:31Z |
Loggable night (§1.1)
09:31 PM → 04:46 AM
Night currency (§61.57)
09:55 PM → 04:22 AM
Plan a flight from KBYG
Runway 13/31
6,143 ft × 75 ft · Asphalt (Good) 13
- Heading
- 126° mag · 138° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
31
- Heading
- 306° mag · 318° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| ASOS | 135.425 | |
| RDO | 122.025 | CASPER RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CZI · Crazy Woman | VOR-DME | 117.30 | r319° / 26 NM |
| SHR · Sheridan | VORTAC | 115.30 | r139° / 31.3 NM |
Approaches
- RNAV (GPS) RWY 31 ↗ · amdt 1A
- VOR/DME RWY 31 ↗ · amdt 6B
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
Ownership & management
Owner
JOHNSON COUNTY
76 NORTH MAIN, BUFFALO, WY
307-684-7555
Manager
BRUCE MCWHORTER
158 AIRPORT RD, BUFFALO, WY
307-684-9672
Remarks FAA
- TERRAIN DROPS OFF BOTH SIDES OF RY 13/31.
- DEER ON AND INVOF ARPT.
- RWY 31 +250' DROP 170'L FIRST 417'
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- ACTVT MIRL RY 13/31 & PAPI RYS 13 & 31 AND REIL RY 31 - 122.8.
- PILOT SUPD TIE DOWN ROPES RQRD.
- FOR SVC AFTER HRS CALL 307-217-2060 OR 210-287-1548.
- AVBL H24 HR VIA SELF SVC CREDIT CARD.
- FOR JET A AFT HRS PHONE 307-217-2060 OR 210-287-1548.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KBYG in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.